1ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Test the variable identification machinery in a non-toy sized 3ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown program. Also, the croak() call in BZ2_decompress causes Valgrind 4ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown to try to describe a local variable (i) that has at least a dozen 5ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown independent live ranges (hence, is really that many independent 6ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown variables). Hence it tests the machinery's ability to correctly 7ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown handle a variable which has multiple live ranges and hence multiple 8ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown non-overlapping areas in which it actually exists. 9ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 10ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 11ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Relevant compile flags are: 12ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 13ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown -Wall -g -I$prefix/include/valgrind 14ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 15ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown eg -Wall -g -I`pwd`/Inst/include/valgrind 16ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 17ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 18ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdio.h> 19ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdlib.h> 20ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <assert.h> 21ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include "memcheck/memcheck.h" 22ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 23ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Cause memcheck to complain about the address "a" and so to print 24ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown its best guess as to what "a" actually is. a must be 25ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown addressible. */ 26ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 27ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid croak ( void* aV ) 28ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 29ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* a = (char*)aV; 30ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* undefp = malloc(1); 31ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char saved = *a; 32ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown assert(undefp); 33ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *a = *undefp; 34436e89c602e787e7a27dd6624b09beed41a0da8aDmitriy Ivanov (void) VALGRIND_CHECK_MEM_IS_DEFINED(a, 1); 35ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *a = saved; 36ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown free(undefp); 37ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 38ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 39ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// This benchmark is basically bzip2 (mashed to be a single file) 40ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// compressing and decompressing some data. It tests Valgrind's handling of 41ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// realistic and "difficult" (ie. lots of branches and memory accesses) 42ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// integer code. Execution is spread out over quite a few basic blocks; 43ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// --profile-flags indicates that to get to the top 90%th percentile of 44ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// dynamic BB counts requires considering the top 51 basic blocks 45ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 46ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// This program can be used both as part of the performance test 47ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// suite, in which case we want it to run for quite a while, 48ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// and as part of the regression (correctness) test suite, in 49ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// which case we want it to run quickly and be verbose. 50ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// So it does the latter iff given a command line arg. 51ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 52ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// Licensing: the code within is mostly taken from bzip2, which has a BSD 53ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// license. There is a little code from VEX, which is licensed under GPLv2 54ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// And it's all written by Julian Seward. 55ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 56ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_NO_STDIO 57ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 58ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 59ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 60ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Private header file for the library. ---*/ 61ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- bzlib_private.h ---*/ 62ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 63ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 64ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 65ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is a part of bzip2 and/or libbzip2, a program and 66ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown library for lossless, block-sorting data compression. 67ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 68ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (C) 1996-2004 Julian R Seward. All rights reserved. 69ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 70ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Redistribution and use in source and binary forms, with or without 71ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modification, are permitted provided that the following conditions 72ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are met: 73ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 74ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1. Redistributions of source code must retain the above copyright 75ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown notice, this list of conditions and the following disclaimer. 76ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 77ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2. The origin of this software must not be misrepresented; you must 78ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not claim that you wrote the original software. If you use this 79ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown software in a product, an acknowledgment in the product 80ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown documentation would be appreciated but is not required. 81ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 82ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3. Altered source versions must be plainly marked as such, and must 83ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not be misrepresented as being the original software. 84ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 85ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4. The name of the author may not be used to endorse or promote 86ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown products derived from this software without specific prior written 87ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown permission. 88ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 89ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 90ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 91ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 92ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 93ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 94ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 95ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 96ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 97ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 98ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 99ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 101ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Julian Seward, Cambridge, UK. 102ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@bzip.org 103ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzip2/libbzip2 version 1.0 of 21 March 2000 104ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 105ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is based on (at least) the work of: 106ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Mike Burrows 107ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown David Wheeler 108ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Peter Fenwick 109ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Alistair Moffat 110ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Radford Neal 111ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ian H. Witten 112ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Robert Sedgewick 113ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Jon L. Bentley 114ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 115ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown For more information on these sources, see the manual. 116ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 117ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 118ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 119ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef _BZLIB_PRIVATE_H 120ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define _BZLIB_PRIVATE_H 121ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 122ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdlib.h> 123ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 124ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef BZ_NO_STDIO 125ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdio.h> 126ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <ctype.h> 127ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <string.h> 128ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 129ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 130ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 131ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 132ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Public header file for the library. ---*/ 133ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- bzlib.h ---*/ 134ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 135ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 136ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 137ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is a part of bzip2 and/or libbzip2, a program and 138ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown library for lossless, block-sorting data compression. 139ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 140ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (C) 1996-2004 Julian R Seward. All rights reserved. 141ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 142ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Redistribution and use in source and binary forms, with or without 143ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modification, are permitted provided that the following conditions 144ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are met: 145ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 146ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1. Redistributions of source code must retain the above copyright 147ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown notice, this list of conditions and the following disclaimer. 148ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 149ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2. The origin of this software must not be misrepresented; you must 150ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not claim that you wrote the original software. If you use this 151ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown software in a product, an acknowledgment in the product 152ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown documentation would be appreciated but is not required. 153ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 154ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3. Altered source versions must be plainly marked as such, and must 155ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not be misrepresented as being the original software. 156ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 157ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4. The name of the author may not be used to endorse or promote 158ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown products derived from this software without specific prior written 159ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown permission. 160ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 161ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 162ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 163ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 164ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 165ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 166ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 167ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 168ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 169ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 170ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 171ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 172ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 173ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Julian Seward, Cambridge, UK. 174ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@bzip.org 175ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzip2/libbzip2 version 1.0 of 21 March 2000 176ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 177ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is based on (at least) the work of: 178ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Mike Burrows 179ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown David Wheeler 180ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Peter Fenwick 181ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Alistair Moffat 182ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Radford Neal 183ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ian H. Witten 184ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Robert Sedgewick 185ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Jon L. Bentley 186ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 187ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown For more information on these sources, see the manual. 188ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 189ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 190ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 191ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef _BZLIB_H 192ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define _BZLIB_H 193ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 194ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifdef __cplusplus 195ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern "C" { 196ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 197ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 198ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_RUN 0 199ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_FLUSH 1 200ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_FINISH 2 201ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 202ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_OK 0 203ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_RUN_OK 1 204ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_FLUSH_OK 2 205ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_FINISH_OK 3 206ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_STREAM_END 4 207ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_SEQUENCE_ERROR (-1) 208ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_PARAM_ERROR (-2) 209ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_MEM_ERROR (-3) 210ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_DATA_ERROR (-4) 211ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_DATA_ERROR_MAGIC (-5) 212ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_IO_ERROR (-6) 213ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_UNEXPECTED_EOF (-7) 214ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_OUTBUFF_FULL (-8) 215ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_CONFIG_ERROR (-9) 216ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 217ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef 218ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct { 219ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char *next_in; 220ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int avail_in; 221ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int total_in_lo32; 222ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int total_in_hi32; 223ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 224ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char *next_out; 225ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int avail_out; 226ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int total_out_lo32; 227ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int total_out_hi32; 228ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 229ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void *state; 230ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 231ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void *(*bzalloc)(void *,int,int); 232ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void (*bzfree)(void *,void *); 233ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void *opaque; 234ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 235ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream; 236ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 237ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 238ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef BZ_IMPORT 239ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_EXPORT 240ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 241ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 242ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef BZ_NO_STDIO 243ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Need a definitition for FILE */ 244ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdio.h> 245ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 246ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 247ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifdef _WIN32 248ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# include <windows.h> 249ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# ifdef small 250ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* windows.h define small to char */ 251ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# undef small 252ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# endif 253ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# ifdef BZ_EXPORT 254ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define BZ_API(func) WINAPI func 255ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define BZ_EXTERN extern 256ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# else 257ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* import windows dll dynamically */ 258ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define BZ_API(func) (WINAPI * func) 259ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define BZ_EXTERN 260ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# endif 261ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#else 262ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define BZ_API(func) func 263ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define BZ_EXTERN extern 264ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 265ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 266ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 267ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Core (low-level) library functions --*/ 268ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 269ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzCompressInit) ( 270ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream* strm, 271ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int blockSize100k, 272ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 273ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int workFactor 274ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 275ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 276ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzCompress) ( 277ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream* strm, 278ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int action 279ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 280ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 281ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( 282ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream* strm 283ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 284ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 285ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( 286ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream *strm, 287ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 288ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int small 289ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 290ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 291ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzDecompress) ( 292ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream* strm 293ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 294ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 295ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) ( 296ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream *strm 297ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 298ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 299ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 300ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 301ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- High(er) level library functions --*/ 302ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 303ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef BZ_NO_STDIO 304ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_MAX_UNUSED 5000 305ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 306ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef void BZFILE; 307ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 308ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( 309ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* bzerror, 310ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown FILE* f, 311ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 312ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int small, 313ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void* unused, 314ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int nUnused 315ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 316ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 317ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN void BZ_API(BZ2_bzReadClose) ( 318ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* bzerror, 319ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b 320ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 321ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 322ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( 323ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* bzerror, 324ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 325ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void** unused, 326ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* nUnused 327ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 328ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 329ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzRead) ( 330ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* bzerror, 331ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 332ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void* buf, 333ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int len 334ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 335ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 336ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( 337ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* bzerror, 338ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown FILE* f, 339ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int blockSize100k, 340ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 341ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int workFactor 342ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 343ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 344ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN void BZ_API(BZ2_bzWrite) ( 345ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* bzerror, 346ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 347ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void* buf, 348ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int len 349ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 350ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 351ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( 352ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* bzerror, 353ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 354ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int abandon, 355ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_in, 356ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_out 357ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 358ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 359ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( 360ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* bzerror, 361ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 362ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int abandon, 363ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_in_lo32, 364ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_in_hi32, 365ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_out_lo32, 366ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_out_hi32 367ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 368ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 369ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 370ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 371ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Utility functions --*/ 372ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 373ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( 374ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* dest, 375ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* destLen, 376ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* source, 377ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int sourceLen, 378ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int blockSize100k, 379ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 380ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int workFactor 381ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 382ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 383ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( 384ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* dest, 385ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* destLen, 386ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* source, 387ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int sourceLen, 388ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int small, 389ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity 390ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 391ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 392ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 393ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 394ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Code contributed by Yoshioka Tsuneo 395ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (QWF00133@niftyserve.or.jp/tsuneo-y@is.aist-nara.ac.jp), 396ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown to support better zlib compatibility. 397ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This code is not _officially_ part of libbzip2 (yet); 398ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown I haven't tested it, documented it, or considered the 399ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown threading-safeness of it. 400ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown If this code breaks, please contact both Yoshioka and me. 401ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 402ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 403ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( 404ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void 405ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 406ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 407ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef BZ_NO_STDIO 408ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( 409ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown const char *path, 410ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown const char *mode 411ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 412ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 413ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( 414ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int fd, 415ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown const char *mode 416ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 417ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 418ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzread) ( 419ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 420ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void* buf, 421ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int len 422ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 423ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 424ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzwrite) ( 425ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 426ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void* buf, 427ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int len 428ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 429ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 430ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN int BZ_API(BZ2_bzflush) ( 431ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b 432ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 433ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 434ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN void BZ_API(BZ2_bzclose) ( 435ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b 436ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 437ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 438ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ_EXTERN const char * BZ_API(BZ2_bzerror) ( 439ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE *b, 440ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int *errnum 441ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 442ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 443ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 444ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifdef __cplusplus 445ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 446ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 447ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 448ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 449ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 450ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 451ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end bzlib.h ---*/ 452ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 453ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 454ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 455ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 456ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 457ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- General stuff. --*/ 458ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 459ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_VERSION "1.0.3, 17-Oct-2004" 460ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 461ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef char Char; 462ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef unsigned char Bool; 463ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef unsigned char UChar; 464ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef int Int32; 465ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef unsigned int UInt32; 466ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef short Int16; 467ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef unsigned short UInt16; 468ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 469ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define True ((Bool)1) 470ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define False ((Bool)0) 471ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 472ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef __GNUC__ 473ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define __inline__ /* */ 474ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 475ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 476ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef BZ_NO_STDIO 477ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void BZ2_bz__AssertH__fail ( int errcode ); 478ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define AssertH(cond,errcode) \ 479ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { if (!(cond)) BZ2_bz__AssertH__fail ( errcode ); } 480ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#if BZ_DEBUG 481ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define AssertD(cond,msg) \ 482ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { if (!(cond)) { \ 483ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf ( stderr, \ 484ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown "\n\nlibbzip2(debug build): internal error\n\t%s\n", msg );\ 485ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown exit(1); \ 486ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }} 487ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#else 488ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define AssertD(cond,msg) /* */ 489ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 490ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf0(zf) \ 491ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr,zf) 492ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf1(zf,za1) \ 493ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr,zf,za1) 494ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf2(zf,za1,za2) \ 495ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr,zf,za1,za2) 496ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf3(zf,za1,za2,za3) \ 497ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr,zf,za1,za2,za3) 498ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf4(zf,za1,za2,za3,za4) \ 499ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr,zf,za1,za2,za3,za4) 500ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf5(zf,za1,za2,za3,za4,za5) \ 501ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fprintf(stderr,zf,za1,za2,za3,za4,za5) 502ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#else 503ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void bz_internal_error ( int errcode ); 504ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define AssertH(cond,errcode) \ 505ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { if (!(cond)) bz_internal_error ( errcode ); } 506ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define AssertD(cond,msg) /* */ 507ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf0(zf) \ 508ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf(zf) 509ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf1(zf,za1) \ 510ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf(zf,za1) 511ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf2(zf,za1,za2) \ 512ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf(zf,za1,za2) 513ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf3(zf,za1,za2,za3) \ 514ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf(zf,za1,za2,za3) 515ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf4(zf,za1,za2,za3,za4) \ 516ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf(zf,za1,za2,za3,za4) 517ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VPrintf5(zf,za1,za2,za3,za4,za5) \ 518ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf(zf,za1,za2,za3,za4,za5) 519ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 520ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 521ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 522ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZALLOC(nnn) (strm->bzalloc)(strm->opaque,(nnn),1) 523ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZFREE(ppp) (strm->bzfree)(strm->opaque,(ppp)) 524ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 525ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 526ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Header bytes. --*/ 527ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 528ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_HDR_B 0x42 /* 'B' */ 529ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_HDR_Z 0x5a /* 'Z' */ 530ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_HDR_h 0x68 /* 'h' */ 531ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_HDR_0 0x30 /* '0' */ 532ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 533ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Constants for the back end. --*/ 534ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 535ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_MAX_ALPHA_SIZE 258 536ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_MAX_CODE_LEN 23 537ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 538ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_RUNA 0 539ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_RUNB 1 540ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 541ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_N_GROUPS 6 542ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_G_SIZE 50 543ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_N_ITERS 4 544ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 545ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_MAX_SELECTORS (2 + (900000 / BZ_G_SIZE)) 546ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 547ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 548ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 549ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Stuff for randomising repetitive blocks. --*/ 550ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 551ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int32 BZ2_rNums[512]; 552ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 553ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_RAND_DECLS \ 554ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 rNToGo; \ 555ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 rTPos \ 556ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 557ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_RAND_INIT_MASK \ 558ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->rNToGo = 0; \ 559ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->rTPos = 0 \ 560ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 561ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_RAND_MASK ((s->rNToGo == 1) ? 1 : 0) 562ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 563ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_RAND_UPD_MASK \ 564ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->rNToGo == 0) { \ 565ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->rNToGo = BZ2_rNums[s->rTPos]; \ 566ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->rTPos++; \ 567ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->rTPos == 512) s->rTPos = 0; \ 568ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 569ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->rNToGo--; 570ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 571ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 572ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 573ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Stuff for doing CRCs. --*/ 574ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 575ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern UInt32 BZ2_crc32Table[256]; 576ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 577ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_INITIALISE_CRC(crcVar) \ 578ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 579ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown crcVar = 0xffffffffL; \ 580ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 581ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 582ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_FINALISE_CRC(crcVar) \ 583ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 584ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown crcVar = ~(crcVar); \ 585ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 586ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 587ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_UPDATE_CRC(crcVar,cha) \ 588ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 589ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown crcVar = (crcVar << 8) ^ \ 590ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_crc32Table[(crcVar >> 24) ^ \ 591ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UChar)cha)]; \ 592ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 593ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 594ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 595ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 596ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- States and modes for compression. --*/ 597ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 598ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_M_IDLE 1 599ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_M_RUNNING 2 600ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_M_FLUSHING 3 601ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_M_FINISHING 4 602ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 603ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_S_OUTPUT 1 604ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_S_INPUT 2 605ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 606ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_N_RADIX 2 607ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_N_QSORT 12 608ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_N_SHELL 18 609ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_N_OVERSHOOT (BZ_N_RADIX + BZ_N_QSORT + BZ_N_SHELL + 2) 610ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 611ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 612ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 613ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 614ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Structure holding all the compression-side stuff. --*/ 615ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 616ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef 617ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct { 618ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* pointer back to the struct bz_stream */ 619ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream* strm; 620ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 621ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* mode this stream is in, and whether inputting */ 622ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* or outputting data */ 623ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 mode; 624ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 state; 625ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 626ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* remembers avail_in when flush/finish requested */ 627ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 avail_in_expect; 628ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 629ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* for doing the block sorting */ 630ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* arr1; 631ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* arr2; 632ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* ftab; 633ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 origPtr; 634ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 635ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* aliases for arr1 and arr2 */ 636ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* ptr; 637ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* block; 638ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16* mtfv; 639ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* zbits; 640ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 641ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* for deciding when to use the fallback sorting algorithm */ 642ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 workFactor; 643ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 644ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* run-length-encoding of the input */ 645ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 state_in_ch; 646ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 state_in_len; 647ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_RAND_DECLS; 648ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 649ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* input and output limits and current posns */ 650ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblock; 651ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblockMAX; 652ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 numZ; 653ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 state_out_pos; 654ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 655ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* map of bytes used in block */ 656ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nInUse; 657ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool inUse[256]; 658ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar unseqToSeq[256]; 659ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 660ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* the buffer for bit stream creation */ 661ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 bsBuff; 662ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 bsLive; 663ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 664ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* block and combined CRCs */ 665ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 blockCRC; 666ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 combinedCRC; 667ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 668ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* misc administratium */ 669ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 verbosity; 670ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 blockNo; 671ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 blockSize100k; 672ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 673ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* stuff for coding the MTF values */ 674ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nMTF; 675ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 mtfFreq [BZ_MAX_ALPHA_SIZE]; 676ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar selector [BZ_MAX_SELECTORS]; 677ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar selectorMtf[BZ_MAX_SELECTORS]; 678ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 679ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 680ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 code [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 681ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 rfreq [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 682ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* second dimension: only 3 needed; 4 makes index calculations faster */ 683ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 len_pack[BZ_MAX_ALPHA_SIZE][4]; 684ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 685ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 686ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown EState; 687ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 688ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 689ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 690ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- externs for compression. --*/ 691ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 692ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void 693ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ2_blockSort ( EState* ); 694ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 695ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void 696ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ2_compressBlock ( EState*, Bool ); 697ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 698ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void 699ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ2_bsInitWrite ( EState* ); 700ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 701ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void 702ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ2_hbAssignCodes ( Int32*, UChar*, Int32, Int32, Int32 ); 703ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 704ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void 705ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ2_hbMakeCodeLengths ( UChar*, Int32*, Int32, Int32 ); 706ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 707ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 708ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 709ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- states for decompression. --*/ 710ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 711ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_IDLE 1 712ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_OUTPUT 2 713ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 714ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MAGIC_1 10 715ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MAGIC_2 11 716ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MAGIC_3 12 717ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MAGIC_4 13 718ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BLKHDR_1 14 719ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BLKHDR_2 15 720ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BLKHDR_3 16 721ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BLKHDR_4 17 722ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BLKHDR_5 18 723ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BLKHDR_6 19 724ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BCRC_1 20 725ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BCRC_2 21 726ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BCRC_3 22 727ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_BCRC_4 23 728ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_RANDBIT 24 729ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_ORIGPTR_1 25 730ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_ORIGPTR_2 26 731ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_ORIGPTR_3 27 732ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MAPPING_1 28 733ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MAPPING_2 29 734ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_SELECTOR_1 30 735ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_SELECTOR_2 31 736ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_SELECTOR_3 32 737ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_CODING_1 33 738ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_CODING_2 34 739ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_CODING_3 35 740ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MTF_1 36 741ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MTF_2 37 742ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MTF_3 38 743ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MTF_4 39 744ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MTF_5 40 745ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_MTF_6 41 746ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_ENDHDR_2 42 747ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_ENDHDR_3 43 748ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_ENDHDR_4 44 749ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_ENDHDR_5 45 750ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_ENDHDR_6 46 751ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_CCRC_1 47 752ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_CCRC_2 48 753ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_CCRC_3 49 754ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_X_CCRC_4 50 755ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 756ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 757ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 758ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Constants for the fast MTF decoder. --*/ 759ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 760ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define MTFA_SIZE 4096 761ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define MTFL_SIZE 16 762ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 763ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 764ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 765ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Structure holding all the decompression-side stuff. --*/ 766ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 767ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef 768ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct { 769ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* pointer back to the struct bz_stream */ 770ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream* strm; 771ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 772ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* state indicator for this stream */ 773ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 state; 774ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 775ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* for doing the final run-length decoding */ 776ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar state_out_ch; 777ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 state_out_len; 778ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool blockRandomised; 779ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_RAND_DECLS; 780ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 781ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* the buffer for bit stream reading */ 782ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 bsBuff; 783ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 bsLive; 784ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 785ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* misc administratium */ 786ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 blockSize100k; 787ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool smallDecompress; 788ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 currBlockNo; 789ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 verbosity; 790ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 791ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* for undoing the Burrows-Wheeler transform */ 792ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 origPtr; 793ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 tPos; 794ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 k0; 795ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 unzftab[256]; 796ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblock_used; 797ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 cftab[257]; 798ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 cftabCopy[257]; 799ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 800ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* for undoing the Burrows-Wheeler transform (FAST) */ 801ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 *tt; 802ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 803ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* for undoing the Burrows-Wheeler transform (SMALL) */ 804ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16 *ll16; 805ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar *ll4; 806ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 807ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* stored and calculated CRCs */ 808ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 storedBlockCRC; 809ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 storedCombinedCRC; 810ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 calculatedBlockCRC; 811ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 calculatedCombinedCRC; 812ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 813ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* map of bytes used in block */ 814ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nInUse; 815ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool inUse[256]; 816ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool inUse16[16]; 817ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar seqToUnseq[256]; 818ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 819ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* for decoding the MTF values */ 820ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar mtfa [MTFA_SIZE]; 821ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 mtfbase[256 / MTFL_SIZE]; 822ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar selector [BZ_MAX_SELECTORS]; 823ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar selectorMtf[BZ_MAX_SELECTORS]; 824ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 825ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 826ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 limit [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 827ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 base [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 828ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 perm [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 829ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 minLens[BZ_N_GROUPS]; 830ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 831ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* save area for scalars in the main decompress code */ 832ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_i; 833ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_j; 834ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_t; 835ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_alphaSize; 836ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_nGroups; 837ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_nSelectors; 838ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_EOB; 839ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_groupNo; 840ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_groupPos; 841ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_nextSym; 842ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_nblockMAX; 843ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_nblock; 844ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_es; 845ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_N; 846ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_curr; 847ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_zt; 848ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_zn; 849ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_zvec; 850ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_zj; 851ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_gSel; 852ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 save_gMinlen; 853ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* save_gLimit; 854ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* save_gBase; 855ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* save_gPerm; 856ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 857ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 858ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DState; 859ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 860ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 861ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 862ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- Macros for decompression. --*/ 863ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 864ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_GET_FAST(cccc) \ 865ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tPos = s->tt[s->tPos]; \ 866ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cccc = (UChar)(s->tPos & 0xff); \ 867ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tPos >>= 8; 868ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 869ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_GET_FAST_C(cccc) \ 870ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_tPos = c_tt[c_tPos]; \ 871ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cccc = (UChar)(c_tPos & 0xff); \ 872ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_tPos >>= 8; 873ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 874ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define SET_LL4(i,n) \ 875ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { if (((i) & 0x1) == 0) \ 876ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ll4[(i) >> 1] = (s->ll4[(i) >> 1] & 0xf0) | (n); else \ 877ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ll4[(i) >> 1] = (s->ll4[(i) >> 1] & 0x0f) | ((n) << 4); \ 878ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 879ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 880ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define GET_LL4(i) \ 881ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((((UInt32)(s->ll4[(i) >> 1])) >> (((i) << 2) & 0x4)) & 0xF) 882ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 883ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define SET_LL(i,n) \ 884ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { s->ll16[i] = (UInt16)(n & 0x0000ffff); \ 885ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SET_LL4(i, n >> 16); \ 886ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 887ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 888ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define GET_LL(i) \ 889ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (((UInt32)s->ll16[i]) | (GET_LL4(i) << 16)) 890ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 891ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_GET_SMALL(cccc) \ 892ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cccc = BZ2_indexIntoF ( s->tPos, s->cftab ); \ 893ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tPos = GET_LL(s->tPos); 894ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 895ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 896ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- externs for decompression. --*/ 897ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 898ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int32 899ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ2_indexIntoF ( Int32, Int32* ); 900ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 901ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern Int32 902ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ2_decompress ( DState* ); 903ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 904ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownextern void 905ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZ2_hbCreateDecodeTables ( Int32*, Int32*, Int32*, UChar*, 906ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32, Int32, Int32 ); 907ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 908ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 909ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 910ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 911ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 912ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- BZ_NO_STDIO seems to make NULL disappear on some platforms. --*/ 913ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 914ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifdef BZ_NO_STDIO 915ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef NULL 916ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define NULL 0 917ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 918ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 919ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 920ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 921ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 922ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end bzlib_private.h ---*/ 923ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 924ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 925ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 926ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Something which has the same size as void* on the host. That is, 927ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown it is 32 bits on a 32-bit host and 64 bits on a 64-bit host, and so 928ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown it can safely be coerced to and from a pointer type on the host 929ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown machine. */ 930ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef unsigned long HWord; 931ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef char HChar; 932ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef signed int Int; 933ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef unsigned int UInt; 934ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 935ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef signed long long int Long; 936ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef unsigned long long int ULong; 937ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 938ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 939ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown///////////////////////////////////////////////////////////////////// 940ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown///////////////////////////////////////////////////////////////////// 941ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 942ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic HWord (*serviceFn)(HWord,HWord) = 0; 943ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 944ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#if 0 945ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic char* my_strcpy ( char* dest, const char* src ) 946ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 947ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* dest_orig = dest; 948ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (*src) *dest++ = *src++; 949ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *dest = 0; 950ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return dest_orig; 951ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 952ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 953ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void* my_memcpy ( void *dest, const void *src, int sz ) 954ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 955ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown const char *s = (const char *)src; 956ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char *d = (char *)dest; 957ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 958ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (sz--) 959ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d++ = *s++; 960ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 961ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return dest; 962ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 963ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 964ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void* my_memmove( void *dst, const void *src, unsigned int len ) 965ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 966ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown register char *d; 967ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown register char *s; 968ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if ( dst > src ) { 969ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d = (char *)dst + len - 1; 970ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = (char *)src + len - 1; 971ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( len >= 4 ) { 972ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d-- = *s--; 973ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d-- = *s--; 974ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d-- = *s--; 975ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d-- = *s--; 976ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown len -= 4; 977ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 978ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( len-- ) { 979ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d-- = *s--; 980ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 981ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else if ( dst < src ) { 982ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d = (char *)dst; 983ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = (char *)src; 984ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( len >= 4 ) { 985ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d++ = *s++; 986ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d++ = *s++; 987ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d++ = *s++; 988ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d++ = *s++; 989ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown len -= 4; 990ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 991ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( len-- ) { 992ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *d++ = *s++; 993ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 994ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 995ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return dst; 996ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 997ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 998ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 999ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownchar* my_strcat ( char* dest, const char* src ) 1000ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1001ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* dest_orig = dest; 1002ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (*dest) dest++; 1003ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (*src) *dest++ = *src++; 1004ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *dest = 0; 1005ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return dest_orig; 1006ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1007ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1008ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1009ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown///////////////////////////////////////////////////////////////////// 1010ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1011ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void vex_log_bytes ( char* p, int n ) 1012ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1013ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int i; 1014ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < n; i++) 1015ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*serviceFn)( 1, (int)p[i] ); 1016ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1017ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1018ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------------*/ 1019ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- vex_printf ---*/ 1020ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------------*/ 1021ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1022ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* This should be the only <...> include in the entire VEX library. 1023ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown New code for vex_util.c should go above this point. */ 1024ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdarg.h> 1025ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1026ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic HChar vex_toupper ( HChar c ) 1027ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1028ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c >= 'a' && c <= 'z') 1029ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return c + ('A' - 'a'); 1030ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 1031ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return c; 1032ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1033ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1034ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic Int vex_strlen ( const HChar* str ) 1035ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1036ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int i = 0; 1037ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (str[i] != 0) i++; 1038ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return i; 1039ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1040ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1041ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool vex_streq ( const HChar* s1, const HChar* s2 ) 1042ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1043ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 1044ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (*s1 == 0 && *s2 == 0) 1045ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return True; 1046ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (*s1 != *s2) 1047ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return False; 1048ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s1++; 1049ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s2++; 1050ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1051ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1052ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1053ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Some flags. */ 1054ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VG_MSG_SIGNED 1 /* The value is signed. */ 1055ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VG_MSG_ZJUSTIFY 2 /* Must justify with '0'. */ 1056ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VG_MSG_LJUSTIFY 4 /* Must justify on the left. */ 1057ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VG_MSG_PAREN 8 /* Parenthesize if present (for %y) */ 1058ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define VG_MSG_COMMA 16 /* Add commas to numbers (for %d, %u) */ 1059ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1060ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Copy a string into the buffer. */ 1061ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic UInt 1062ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownmyvprintf_str ( void(*send)(HChar), Int flags, Int width, HChar* str, 1063ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool capitalise ) 1064ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1065ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define MAYBE_TOUPPER(ch) (capitalise ? vex_toupper(ch) : (ch)) 1066ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt ret = 0; 1067ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int i, extra; 1068ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int len = vex_strlen(str); 1069ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1070ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (width == 0) { 1071ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += len; 1072ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < len; i++) 1073ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send(MAYBE_TOUPPER(str[i])); 1074ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return ret; 1075ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1076ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1077ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (len > width) { 1078ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += width; 1079ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < width; i++) 1080ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send(MAYBE_TOUPPER(str[i])); 1081ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return ret; 1082ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1083ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1084ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown extra = width - len; 1085ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (flags & VG_MSG_LJUSTIFY) { 1086ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += extra; 1087ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < extra; i++) 1088ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send(' '); 1089ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1090ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += len; 1091ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < len; i++) 1092ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send(MAYBE_TOUPPER(str[i])); 1093ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (!(flags & VG_MSG_LJUSTIFY)) { 1094ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += extra; 1095ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < extra; i++) 1096ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send(' '); 1097ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1098ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1099ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# undef MAYBE_TOUPPER 1100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1101ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return ret; 1102ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1103ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1104ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Write P into the buffer according to these args: 1105ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * If SIGN is true, p is a signed. 1106ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * BASE is the base. 1107ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * If WITH_ZERO is true, '0' must be added. 1108ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * WIDTH is the width of the field. 1109ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 1110ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic UInt 1111ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownmyvprintf_int64 ( void(*send)(HChar), Int flags, Int base, Int width, ULong pL) 1112ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1113ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown HChar buf[40]; 1114ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int ind = 0; 1115ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int i, nc = 0; 1116ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool neg = False; 1117ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown HChar *digits = "0123456789ABCDEF"; 1118ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt ret = 0; 1119ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt p = (UInt)pL; 1120ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1121ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (base < 2 || base > 16) 1122ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return ret; 1123ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1124ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if ((flags & VG_MSG_SIGNED) && (Int)p < 0) { 1125ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown p = - (Int)p; 1126ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown neg = True; 1127ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1128ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1129ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (p == 0) 1130ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown buf[ind++] = '0'; 1131ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else { 1132ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (p > 0) { 1133ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if ((flags & VG_MSG_COMMA) && 10 == base && 1134ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0 == (ind-nc) % 3 && 0 != ind) 1135ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 1136ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown buf[ind++] = ','; 1137ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nc++; 1138ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1139ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown buf[ind++] = digits[p % base]; 1140ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown p /= base; 1141ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1142ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1143ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1144ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (neg) 1145ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown buf[ind++] = '-'; 1146ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1147ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (width > 0 && !(flags & VG_MSG_LJUSTIFY)) { 1148ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for(; ind < width; ind++) { 1149ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown //vassert(ind < 39); 1150ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown buf[ind] = ((flags & VG_MSG_ZJUSTIFY) ? '0': ' '); 1151ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1152ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1153ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1154ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Reverse copy to buffer. */ 1155ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += ind; 1156ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = ind -1; i >= 0; i--) { 1157ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send(buf[i]); 1158ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1159ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (width > 0 && (flags & VG_MSG_LJUSTIFY)) { 1160ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for(; ind < width; ind++) { 1161ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret++; 1162ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send(' '); // Never pad with zeroes on RHS -- changes the value! 1163ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1164ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1165ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return ret; 1166ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1167ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1168ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1169ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* A simple vprintf(). */ 1170ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 1171ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownUInt vprintf_wrk ( void(*send)(HChar), const HChar *format, va_list vargs ) 1172ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1173ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt ret = 0; 1174ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int i; 1175ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int flags; 1176ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int width; 1177ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool is_long; 1178ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1179ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* We assume that vargs has already been initialised by the 1180ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown caller, using va_start, and that the caller will similarly 1181ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown clean up with va_end. 1182ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 1183ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1184ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; format[i] != 0; i++) { 1185ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (format[i] != '%') { 1186ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send(format[i]); 1187ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret++; 1188ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 1189ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1190ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i++; 1191ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* A '%' has been found. Ignore a trailing %. */ 1192ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (format[i] == 0) 1193ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 1194ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (format[i] == '%') { 1195ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* `%%' is replaced by `%'. */ 1196ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send('%'); 1197ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret++; 1198ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 1199ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1200ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown flags = 0; 1201ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown is_long = False; 1202ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown width = 0; /* length of the field. */ 1203ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (format[i] == '(') { 1204ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown flags |= VG_MSG_PAREN; 1205ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i++; 1206ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1207ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* If ',' follows '%', commas will be inserted. */ 1208ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (format[i] == ',') { 1209ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown flags |= VG_MSG_COMMA; 1210ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i++; 1211ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1212ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* If '-' follows '%', justify on the left. */ 1213ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (format[i] == '-') { 1214ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown flags |= VG_MSG_LJUSTIFY; 1215ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i++; 1216ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1217ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* If '0' follows '%', pads will be inserted. */ 1218ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (format[i] == '0') { 1219ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown flags |= VG_MSG_ZJUSTIFY; 1220ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i++; 1221ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1222ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Compute the field length. */ 1223ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (format[i] >= '0' && format[i] <= '9') { 1224ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown width *= 10; 1225ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown width += format[i++] - '0'; 1226ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1227ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (format[i] == 'l') { 1228ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i++; 1229ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown is_long = True; 1230ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1231ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1232ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown switch (format[i]) { 1233ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 'd': /* %d */ 1234ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown flags |= VG_MSG_SIGNED; 1235ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (is_long) 1236ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += myvprintf_int64(send, flags, 10, width, 1237ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (ULong)(va_arg (vargs, Long))); 1238ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 1239ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += myvprintf_int64(send, flags, 10, width, 1240ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (ULong)(va_arg (vargs, Int))); 1241ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 1242ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 'u': /* %u */ 1243ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (is_long) 1244ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += myvprintf_int64(send, flags, 10, width, 1245ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (ULong)(va_arg (vargs, ULong))); 1246ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 1247ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += myvprintf_int64(send, flags, 10, width, 1248ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (ULong)(va_arg (vargs, UInt))); 1249ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 1250ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 'p': /* %p */ 1251ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += 2; 1252ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send('0'); 1253ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send('x'); 1254ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += myvprintf_int64(send, flags, 16, width, 1255ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (ULong)((HWord)va_arg (vargs, void *))); 1256ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 1257ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 'x': /* %x */ 1258ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (is_long) 1259ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += myvprintf_int64(send, flags, 16, width, 1260ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (ULong)(va_arg (vargs, ULong))); 1261ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 1262ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += myvprintf_int64(send, flags, 16, width, 1263ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (ULong)(va_arg (vargs, UInt))); 1264ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 1265ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 'c': /* %c */ 1266ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret++; 1267ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown send((va_arg (vargs, int))); 1268ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 1269ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 's': case 'S': { /* %s */ 1270ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char *str = va_arg (vargs, char *); 1271ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (str == (char*) 0) str = "(null)"; 1272ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += myvprintf_str(send, flags, width, str, 1273ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (format[i]=='S')); 1274ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 1275ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1276ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# if 0 1277ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 'y': { /* %y - print symbol */ 1278ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Char buf[100]; 1279ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Char *cp = buf; 1280ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Addr a = va_arg(vargs, Addr); 1281ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1282ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (flags & VG_MSG_PAREN) 1283ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *cp++ = '('; 1284ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (VG_(get_fnname_w_offset)(a, cp, sizeof(buf)-4)) { 1285ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (flags & VG_MSG_PAREN) { 1286ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cp += VG_(strlen)(cp); 1287ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *cp++ = ')'; 1288ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *cp = '\0'; 1289ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1290ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret += myvprintf_str(send, flags, width, buf, 0); 1291ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1292ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 1293ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1294ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# endif 1295ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown default: 1296ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 1297ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1298ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1299ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return ret; 1300ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1301ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1302ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1303ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* A general replacement for printf(). Note that only low-level 1304ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown debugging info should be sent via here. The official route is to 1305ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown to use vg_message(). This interface is deprecated. 1306ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 1307ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic HChar myprintf_buf[1000]; 1308ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic Int n_myprintf_buf; 1309ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1310ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic void add_to_myprintf_buf ( HChar c ) 1311ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1312ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c == '\n' || n_myprintf_buf >= 1000-10 /*paranoia*/ ) { 1313ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*vex_log_bytes)( myprintf_buf, vex_strlen(myprintf_buf) ); 1314ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n_myprintf_buf = 0; 1315ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown myprintf_buf[n_myprintf_buf] = 0; 1316ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1317ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown myprintf_buf[n_myprintf_buf++] = c; 1318ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown myprintf_buf[n_myprintf_buf] = 0; 1319ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1320ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1321ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic UInt vex_printf ( const char *format, ... ) 1322ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1323ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt ret; 1324ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown va_list vargs; 1325ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown va_start(vargs,format); 1326ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1327ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n_myprintf_buf = 0; 1328ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown myprintf_buf[n_myprintf_buf] = 0; 1329ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = vprintf_wrk ( add_to_myprintf_buf, format, vargs ); 1330ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1331ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n_myprintf_buf > 0) { 1332ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*vex_log_bytes)( myprintf_buf, n_myprintf_buf ); 1333ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1334ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1335ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown va_end(vargs); 1336ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1337ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return ret; 1338ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1339ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1340ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------------------*/ 1341ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end vex_util.c ---*/ 1342ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------------------*/ 1343ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1344ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1345ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown///////////////////////////////////////////////////////////////////// 1346ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown///////////////////////////////////////////////////////////////////// 1347ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown///////////////////////////////////////////////////////////////////// 1348ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown///////////////////////////////////////////////////////////////////// 1349ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1350ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1351ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 1352ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Decompression machinery ---*/ 1353ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- decompress.c ---*/ 1354ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 1355ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1356ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 1357ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is a part of bzip2 and/or libbzip2, a program and 1358ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown library for lossless, block-sorting data compression. 1359ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1360ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (C) 1996-2004 Julian R Seward. All rights reserved. 1361ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1362ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Redistribution and use in source and binary forms, with or without 1363ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modification, are permitted provided that the following conditions 1364ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are met: 1365ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1366ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1. Redistributions of source code must retain the above copyright 1367ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown notice, this list of conditions and the following disclaimer. 1368ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1369ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2. The origin of this software must not be misrepresented; you must 1370ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not claim that you wrote the original software. If you use this 1371ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown software in a product, an acknowledgment in the product 1372ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown documentation would be appreciated but is not required. 1373ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1374ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3. Altered source versions must be plainly marked as such, and must 1375ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not be misrepresented as being the original software. 1376ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1377ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4. The name of the author may not be used to endorse or promote 1378ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown products derived from this software without specific prior written 1379ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown permission. 1380ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1381ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 1382ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 1383ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1384ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 1385ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1386ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 1387ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 1388ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 1389ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 1390ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 1391ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 1392ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1393ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Julian Seward, Cambridge, UK. 1394ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@bzip.org 1395ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzip2/libbzip2 version 1.0 of 21 March 2000 1396ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1397ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is based on (at least) the work of: 1398ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Mike Burrows 1399ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown David Wheeler 1400ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Peter Fenwick 1401ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Alistair Moffat 1402ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Radford Neal 1403ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ian H. Witten 1404ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Robert Sedgewick 1405ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Jon L. Bentley 1406ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1407ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown For more information on these sources, see the manual. 1408ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 1409ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1410ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1411ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1412ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1413ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 1414ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 1415ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid makeMaps_d ( DState* s ) 1416ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1417ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i; 1418ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nInUse = 0; 1419ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 256; i++) 1420ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->inUse[i]) { 1421ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->seqToUnseq[s->nInUse] = i; 1422ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nInUse++; 1423ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1424ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1425ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1426ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1427ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 1428ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define RETURN(rrr) \ 1429ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { retVal = rrr; goto save_state_and_return; }; 1430ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1431ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define GET_BITS(lll,vvv,nnn) \ 1432ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case lll: s->state = lll; \ 1433ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { \ 1434ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->bsLive >= nnn) { \ 1435ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 v; \ 1436ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown v = (s->bsBuff >> \ 1437ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (s->bsLive-nnn)) & ((1 << nnn)-1); \ 1438ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsLive -= nnn; \ 1439ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vvv = v; \ 1440ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; \ 1441ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 1442ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->avail_in == 0) RETURN(BZ_OK); \ 1443ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsBuff \ 1444ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown = (s->bsBuff << 8) | \ 1445ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UInt32) \ 1446ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*((UChar*)(s->strm->next_in)))); \ 1447ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsLive += 8; \ 1448ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->next_in++; \ 1449ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->avail_in--; \ 1450ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_in_lo32++; \ 1451ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->total_in_lo32 == 0) \ 1452ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_in_hi32++; \ 1453ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1454ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1455ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define GET_UCHAR(lll,uuu) \ 1456ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BITS(lll,uuu,8) 1457ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1458ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define GET_BIT(lll,uuu) \ 1459ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BITS(lll,uuu,1) 1460ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1461ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 1462ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define GET_MTF_VAL(label1,label2,lval) \ 1463ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 1464ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (groupPos == 0) { \ 1465ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown groupNo++; \ 1466ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (groupNo >= nSelectors) \ 1467ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown RETURN(BZ_DATA_ERROR); \ 1468ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown groupPos = BZ_G_SIZE; \ 1469ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gSel = s->selector[groupNo]; \ 1470ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gMinlen = s->minLens[gSel]; \ 1471ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gLimit = &(s->limit[gSel][0]); \ 1472ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gPerm = &(s->perm[gSel][0]); \ 1473ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gBase = &(s->base[gSel][0]); \ 1474ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 1475ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown groupPos--; \ 1476ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zn = gMinlen; \ 1477ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BITS(label1, zvec, zn); \ 1478ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (1) { \ 1479ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zn > 20 /* the longest code */) \ 1480ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown RETURN(BZ_DATA_ERROR); \ 1481ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zvec <= gLimit[zn]) break; \ 1482ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zn++; \ 1483ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BIT(label2, zj); \ 1484ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zvec = (zvec << 1) | zj; \ 1485ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; \ 1486ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zvec - gBase[zn] < 0 \ 1487ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown || zvec - gBase[zn] >= BZ_MAX_ALPHA_SIZE) \ 1488ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown RETURN(BZ_DATA_ERROR); \ 1489ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lval = gPerm[zvec - gBase[zn]]; \ 1490ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1491ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1492ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1493ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1494ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 1495ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownInt32 BZ2_indexIntoF ( Int32 indx, Int32 *cftab ) 1496ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1497ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nb, na, mid; 1498ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nb = 0; 1499ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown na = 256; 1500ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown do { 1501ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mid = (nb + na) >> 1; 1502ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (indx >= cftab[mid]) nb = mid; else na = mid; 1503ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1504ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (na - nb != 1); 1505ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return nb; 1506ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 1507ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1508ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 1509ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownInt32 BZ2_decompress ( DState* s ) 1510ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 1511ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar uc; 1512ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 retVal; 1513ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 minLen, maxLen; 1514ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream* strm = s->strm; 1515ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1516ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* stuff that needs to be saved/restored */ 1517ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i; 1518ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 j; 1519ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 t; 1520ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 alphaSize; 1521ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nGroups; 1522ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nSelectors; 1523ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 EOB; 1524ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 groupNo; 1525ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 groupPos; 1526ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nextSym; 1527ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblockMAX; 1528ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblock; 1529ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 es; 1530ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 N; 1531ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 curr; 1532ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 zt; 1533ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 zn; 1534ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 zvec; 1535ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 zj; 1536ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 gSel; 1537ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 gMinlen; 1538ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* gLimit; 1539ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* gBase; 1540ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* gPerm; 1541ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1542ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state == BZ_X_MAGIC_1) { 1543ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*initialise the save area*/ 1544ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_i = 0; 1545ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_j = 0; 1546ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_t = 0; 1547ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_alphaSize = 0; 1548ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nGroups = 0; 1549ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nSelectors = 0; 1550ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_EOB = 0; 1551ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_groupNo = 0; 1552ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_groupPos = 0; 1553ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nextSym = 0; 1554ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nblockMAX = 0; 1555ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nblock = 0; 1556ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_es = 0; 1557ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_N = 0; 1558ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_curr = 0; 1559ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_zt = 0; 1560ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_zn = 0; 1561ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_zvec = 0; 1562ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_zj = 0; 1563ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gSel = 0; 1564ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gMinlen = 0; 1565ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gLimit = NULL; 1566ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gBase = NULL; 1567ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gPerm = NULL; 1568ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1569ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1570ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*restore from the save area*/ 1571ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i = s->save_i; 1572ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = s->save_j; 1573ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown t = s->save_t; 1574ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown alphaSize = s->save_alphaSize; 1575ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nGroups = s->save_nGroups; 1576ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nSelectors = s->save_nSelectors; 1577ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown EOB = s->save_EOB; 1578ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown groupNo = s->save_groupNo; 1579ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown groupPos = s->save_groupPos; 1580ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nextSym = s->save_nextSym; 1581ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblockMAX = s->save_nblockMAX; 1582ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock = s->save_nblock; 1583ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown es = s->save_es; 1584ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown N = s->save_N; 1585ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown curr = s->save_curr; 1586ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zt = s->save_zt; 1587ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zn = s->save_zn; 1588ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zvec = s->save_zvec; 1589ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zj = s->save_zj; 1590ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gSel = s->save_gSel; 1591ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gMinlen = s->save_gMinlen; 1592ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gLimit = s->save_gLimit; 1593ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gBase = s->save_gBase; 1594ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gPerm = s->save_gPerm; 1595ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1596ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown retVal = BZ_OK; 1597ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1598ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown switch (s->state) { 1599ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1600ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_MAGIC_1, uc); 1601ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != BZ_HDR_B) RETURN(BZ_DATA_ERROR_MAGIC); 1602ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1603ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_MAGIC_2, uc); 1604ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != BZ_HDR_Z) RETURN(BZ_DATA_ERROR_MAGIC); 1605ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1606ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_MAGIC_3, uc) 1607ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != BZ_HDR_h) RETURN(BZ_DATA_ERROR_MAGIC); 1608ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1609ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BITS(BZ_X_MAGIC_4, s->blockSize100k, 8) 1610ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->blockSize100k < (BZ_HDR_0 + 1) || 1611ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->blockSize100k > (BZ_HDR_0 + 9)) RETURN(BZ_DATA_ERROR_MAGIC); 1612ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->blockSize100k -= BZ_HDR_0; 1613ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1614ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->smallDecompress) { 1615ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ll16 = BZALLOC( s->blockSize100k * 100000 * sizeof(UInt16) ); 1616ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ll4 = BZALLOC( 1617ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((1 + s->blockSize100k * 100000) >> 1) * sizeof(UChar) 1618ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 1619ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->ll16 == NULL || s->ll4 == NULL) RETURN(BZ_MEM_ERROR); 1620ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 1621ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tt = BZALLOC( s->blockSize100k * 100000 * sizeof(Int32) ); 1622ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->tt == NULL) RETURN(BZ_MEM_ERROR); 1623ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1624ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1625ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BLKHDR_1, uc); 1626ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1627ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc == 0x17) goto endhdr_2; 1628ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x31) RETURN(BZ_DATA_ERROR); 1629ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BLKHDR_2, uc); 1630ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x41) RETURN(BZ_DATA_ERROR); 1631ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BLKHDR_3, uc); 1632ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x59) RETURN(BZ_DATA_ERROR); 1633ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BLKHDR_4, uc); 1634ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x26) RETURN(BZ_DATA_ERROR); 1635ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BLKHDR_5, uc); 1636ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x53) RETURN(BZ_DATA_ERROR); 1637ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BLKHDR_6, uc); 1638ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x59) RETURN(BZ_DATA_ERROR); 1639ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1640ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->currBlockNo++; 1641ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 2) 1642ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf1 ( "\n [%d: huff+mtf ", s->currBlockNo ); 1643ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1644ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedBlockCRC = 0; 1645ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BCRC_1, uc); 1646ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc); 1647ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BCRC_2, uc); 1648ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc); 1649ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BCRC_3, uc); 1650ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc); 1651ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_BCRC_4, uc); 1652ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedBlockCRC = (s->storedBlockCRC << 8) | ((UInt32)uc); 1653ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1654ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BITS(BZ_X_RANDBIT, s->blockRandomised, 1); 1655ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1656ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->origPtr = 0; 1657ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_ORIGPTR_1, uc); 1658ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->origPtr = (s->origPtr << 8) | ((Int32)uc); 1659ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_ORIGPTR_2, uc); 1660ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->origPtr = (s->origPtr << 8) | ((Int32)uc); 1661ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_ORIGPTR_3, uc); 1662ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->origPtr = (s->origPtr << 8) | ((Int32)uc); 1663ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1664ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->origPtr < 0) 1665ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown RETURN(BZ_DATA_ERROR); 1666ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->origPtr > 10 + 100000*s->blockSize100k) 1667ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown RETURN(BZ_DATA_ERROR); 1668ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1669ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Receive the mapping table ---*/ 1670ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 16; i++) { 1671ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BIT(BZ_X_MAPPING_1, uc); 1672ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc == 1) 1673ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->inUse16[i] = True; else 1674ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->inUse16[i] = False; 1675ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1676ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1677ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 256; i++) s->inUse[i] = False; 1678ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1679ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 16; i++) 1680ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->inUse16[i]) 1681ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = 0; j < 16; j++) { 1682ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BIT(BZ_X_MAPPING_2, uc); 1683ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc == 1) s->inUse[i * 16 + j] = True; 1684ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1685ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown makeMaps_d ( s ); 1686ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nInUse == 0) RETURN(BZ_DATA_ERROR); 1687ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown alphaSize = s->nInUse+2; 1688ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1689ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Now the selectors ---*/ 1690ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BITS(BZ_X_SELECTOR_1, nGroups, 3); 1691ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nGroups < 2 || nGroups > 6) RETURN(BZ_DATA_ERROR); 1692ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BITS(BZ_X_SELECTOR_2, nSelectors, 15); 1693ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nSelectors < 1) RETURN(BZ_DATA_ERROR); 1694ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nSelectors; i++) { 1695ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = 0; 1696ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 1697ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BIT(BZ_X_SELECTOR_3, uc); 1698ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc == 0) break; 1699ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browncroak( 2 + (char*)&i ); 1700ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j++; 1701ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (j >= nGroups) RETURN(BZ_DATA_ERROR); 1702ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1703ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->selectorMtf[i] = j; 1704ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1705ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1706ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Undo the MTF values for the selectors. ---*/ 1707ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 1708ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar pos[BZ_N_GROUPS], tmp, v; 1709ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (v = 0; v < nGroups; v++) pos[v] = v; 1710ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1711ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nSelectors; i++) { 1712ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown v = s->selectorMtf[i]; 1713ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tmp = pos[v]; 1714ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (v > 0) { pos[v] = pos[v-1]; v--; } 1715ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pos[0] = tmp; 1716ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->selector[i] = tmp; 1717ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1718ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1719ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1720ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Now the coding tables ---*/ 1721ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) { 1722ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BITS(BZ_X_CODING_1, curr, 5); 1723ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < alphaSize; i++) { 1724ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 1725ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (curr < 1 || curr > 20) RETURN(BZ_DATA_ERROR); 1726ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BIT(BZ_X_CODING_2, uc); 1727ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc == 0) break; 1728ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_BIT(BZ_X_CODING_3, uc); 1729ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc == 0) curr++; else curr--; 1730ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1731ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->len[t][i] = curr; 1732ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1733ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1734ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1735ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Create the Huffman decoding tables ---*/ 1736ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) { 1737ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown minLen = 32; 1738ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown maxLen = 0; 1739ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < alphaSize; i++) { 1740ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->len[t][i] > maxLen) maxLen = s->len[t][i]; 1741ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->len[t][i] < minLen) minLen = s->len[t][i]; 1742ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1743ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_hbCreateDecodeTables ( 1744ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown &(s->limit[t][0]), 1745ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown &(s->base[t][0]), 1746ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown &(s->perm[t][0]), 1747ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown &(s->len[t][0]), 1748ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown minLen, maxLen, alphaSize 1749ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 1750ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->minLens[t] = minLen; 1751ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1752ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1753ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Now the MTF values ---*/ 1754ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1755ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown EOB = s->nInUse+1; 1756ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblockMAX = 100000 * s->blockSize100k; 1757ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown groupNo = -1; 1758ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown groupPos = 0; 1759ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1760ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i <= 255; i++) s->unzftab[i] = 0; 1761ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1762ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- MTF init --*/ 1763ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 1764ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 ii, jj, kk; 1765ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown kk = MTFA_SIZE-1; 1766ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (ii = 256 / MTFL_SIZE - 1; ii >= 0; ii--) { 1767ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (jj = MTFL_SIZE-1; jj >= 0; jj--) { 1768ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[kk] = (UChar)(ii * MTFL_SIZE + jj); 1769ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown kk--; 1770ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1771ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfbase[ii] = kk + 1; 1772ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1773ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1774ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- end MTF init --*/ 1775ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1776ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock = 0; 1777ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_MTF_VAL(BZ_X_MTF_1, BZ_X_MTF_2, nextSym); 1778ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1779ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 1780ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1781ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nextSym == EOB) break; 1782ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1783ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nextSym == BZ_RUNA || nextSym == BZ_RUNB) { 1784ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1785ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown es = -1; 1786ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown N = 1; 1787ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown do { 1788ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nextSym == BZ_RUNA) es = es + (0+1) * N; else 1789ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nextSym == BZ_RUNB) es = es + (1+1) * N; 1790ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown N = N * 2; 1791ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_MTF_VAL(BZ_X_MTF_3, BZ_X_MTF_4, nextSym); 1792ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1793ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (nextSym == BZ_RUNA || nextSym == BZ_RUNB); 1794ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1795ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown es++; 1796ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown uc = s->seqToUnseq[ s->mtfa[s->mtfbase[0]] ]; 1797ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->unzftab[uc] += es; 1798ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1799ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->smallDecompress) 1800ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (es > 0) { 1801ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR); 1802ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ll16[nblock] = (UInt16)uc; 1803ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock++; 1804ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown es--; 1805ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1806ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 1807ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (es > 0) { 1808ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR); 1809ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tt[nblock] = (UInt32)uc; 1810ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock++; 1811ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown es--; 1812ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 1813ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1814ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 1815ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1816ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 1817ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1818ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nblock >= nblockMAX) RETURN(BZ_DATA_ERROR); 1819ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1820ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- uc = MTF ( nextSym-1 ) --*/ 1821ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 1822ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 ii, jj, kk, pp, lno, off; 1823ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 nn; 1824ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nn = (UInt32)(nextSym - 1); 1825ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1826ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nn < MTFL_SIZE) { 1827ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* avoid general-case expense */ 1828ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pp = s->mtfbase[0]; 1829ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown uc = s->mtfa[pp+nn]; 1830ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (nn > 3) { 1831ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 z = pp+nn; 1832ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[(z) ] = s->mtfa[(z)-1]; 1833ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[(z)-1] = s->mtfa[(z)-2]; 1834ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[(z)-2] = s->mtfa[(z)-3]; 1835ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[(z)-3] = s->mtfa[(z)-4]; 1836ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nn -= 4; 1837ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1838ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (nn > 0) { 1839ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[(pp+nn)] = s->mtfa[(pp+nn)-1]; nn--; 1840ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 1841ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[pp] = uc; 1842ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 1843ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* general case */ 1844ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lno = nn / MTFL_SIZE; 1845ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown off = nn % MTFL_SIZE; 1846ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pp = s->mtfbase[lno] + off; 1847ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown uc = s->mtfa[pp]; 1848ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (pp > s->mtfbase[lno]) { 1849ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[pp] = s->mtfa[pp-1]; pp--; 1850ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 1851ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfbase[lno]++; 1852ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (lno > 0) { 1853ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfbase[lno]--; 1854ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[s->mtfbase[lno]] 1855ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown = s->mtfa[s->mtfbase[lno-1] + MTFL_SIZE - 1]; 1856ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lno--; 1857ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1858ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfbase[0]--; 1859ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[s->mtfbase[0]] = uc; 1860ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->mtfbase[0] == 0) { 1861ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown kk = MTFA_SIZE-1; 1862ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (ii = 256 / MTFL_SIZE-1; ii >= 0; ii--) { 1863ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (jj = MTFL_SIZE-1; jj >= 0; jj--) { 1864ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfa[kk] = s->mtfa[s->mtfbase[ii] + jj]; 1865ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown kk--; 1866ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1867ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfbase[ii] = kk + 1; 1868ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1869ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1870ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1871ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1872ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- end uc = MTF ( nextSym-1 ) --*/ 1873ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1874ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->unzftab[s->seqToUnseq[uc]]++; 1875ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->smallDecompress) 1876ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ll16[nblock] = (UInt16)(s->seqToUnseq[uc]); else 1877ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tt[nblock] = (UInt32)(s->seqToUnseq[uc]); 1878ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock++; 1879ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1880ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_MTF_VAL(BZ_X_MTF_5, BZ_X_MTF_6, nextSym); 1881ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 1882ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1883ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1884ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1885ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Now we know what nblock is, we can do a better sanity 1886ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown check on s->origPtr. 1887ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 1888ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->origPtr < 0 || s->origPtr >= nblock) 1889ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown RETURN(BZ_DATA_ERROR); 1890ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1891ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- Set up cftab to facilitate generation of T^(-1) --*/ 1892ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->cftab[0] = 0; 1893ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 1; i <= 256; i++) s->cftab[i] = s->unzftab[i-1]; 1894ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 1; i <= 256; i++) s->cftab[i] += s->cftab[i-1]; 1895ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i <= 256; i++) { 1896ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->cftab[i] < 0 || s->cftab[i] > nblock) { 1897ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* s->cftab[i] can legitimately be == nblock */ 1898ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown RETURN(BZ_DATA_ERROR); 1899ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1900ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1901ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1902ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 0; 1903ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_ch = 0; 1904ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_INITIALISE_CRC ( s->calculatedBlockCRC ); 1905ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state = BZ_X_OUTPUT; 1906ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 2) VPrintf0 ( "rt+rld" ); 1907ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1908ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->smallDecompress) { 1909ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1910ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- Make a copy of cftab, used in generation of T --*/ 1911ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i <= 256; i++) s->cftabCopy[i] = s->cftab[i]; 1912ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1913ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- compute the T vector --*/ 1914ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nblock; i++) { 1915ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown uc = (UChar)(s->ll16[i]); 1916ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SET_LL(i, s->cftabCopy[uc]); 1917ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->cftabCopy[uc]++; 1918ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1919ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1920ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- Compute T^(-1) by pointer reversal on T --*/ 1921ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i = s->origPtr; 1922ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = GET_LL(i); 1923ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown do { 1924ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 tmp = GET_LL(j); 1925ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SET_LL(j, i); 1926ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i = j; 1927ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = tmp; 1928ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1929ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (i != s->origPtr); 1930ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1931ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tPos = s->origPtr; 1932ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nblock_used = 0; 1933ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->blockRandomised) { 1934ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_RAND_INIT_MASK; 1935ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(s->k0); s->nblock_used++; 1936ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_RAND_UPD_MASK; s->k0 ^= BZ_RAND_MASK; 1937ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 1938ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(s->k0); s->nblock_used++; 1939ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1940ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1941ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 1942ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1943ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- compute the T^(-1) vector --*/ 1944ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nblock; i++) { 1945ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown uc = (UChar)(s->tt[i] & 0xff); 1946ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tt[s->cftab[uc]] |= (i << 8); 1947ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->cftab[uc]++; 1948ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1949ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1950ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tPos = s->tt[s->origPtr] >> 8; 1951ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nblock_used = 0; 1952ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->blockRandomised) { 1953ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_RAND_INIT_MASK; 1954ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST(s->k0); s->nblock_used++; 1955ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_RAND_UPD_MASK; s->k0 ^= BZ_RAND_MASK; 1956ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 1957ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST(s->k0); s->nblock_used++; 1958ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1959ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1960ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1961ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1962ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown RETURN(BZ_OK); 1963ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1964ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1965ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1966ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown endhdr_2: 1967ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1968ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_ENDHDR_2, uc); 1969ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x72) RETURN(BZ_DATA_ERROR); 1970ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_ENDHDR_3, uc); 1971ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x45) RETURN(BZ_DATA_ERROR); 1972ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_ENDHDR_4, uc); 1973ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x38) RETURN(BZ_DATA_ERROR); 1974ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_ENDHDR_5, uc); 1975ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x50) RETURN(BZ_DATA_ERROR); 1976ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_ENDHDR_6, uc); 1977ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (uc != 0x90) RETURN(BZ_DATA_ERROR); 1978ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1979ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedCombinedCRC = 0; 1980ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_CCRC_1, uc); 1981ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc); 1982ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_CCRC_2, uc); 1983ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc); 1984ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_CCRC_3, uc); 1985ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc); 1986ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GET_UCHAR(BZ_X_CCRC_4, uc); 1987ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedCombinedCRC = (s->storedCombinedCRC << 8) | ((UInt32)uc); 1988ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1989ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state = BZ_X_IDLE; 1990ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown RETURN(BZ_STREAM_END); 1991ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1992ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown default: AssertH ( False, 4001 ); 1993ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 1994ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1995ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( False, 4002 ); 1996ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1997ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown save_state_and_return: 1998ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1999ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_i = i; 2000ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_j = j; 2001ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_t = t; 2002ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_alphaSize = alphaSize; 2003ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nGroups = nGroups; 2004ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nSelectors = nSelectors; 2005ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_EOB = EOB; 2006ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_groupNo = groupNo; 2007ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_groupPos = groupPos; 2008ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nextSym = nextSym; 2009ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nblockMAX = nblockMAX; 2010ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_nblock = nblock; 2011ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_es = es; 2012ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_N = N; 2013ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_curr = curr; 2014ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_zt = zt; 2015ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_zn = zn; 2016ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_zvec = zvec; 2017ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_zj = zj; 2018ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gSel = gSel; 2019ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gMinlen = gMinlen; 2020ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gLimit = gLimit; 2021ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gBase = gBase; 2022ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->save_gPerm = gPerm; 2023ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2024ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return retVal; 2025ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2026ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2027ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2028ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 2029ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end decompress.c ---*/ 2030ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 2031ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2032ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 2033ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Block sorting machinery ---*/ 2034ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- blocksort.c ---*/ 2035ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 2036ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2037ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 2038ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is a part of bzip2 and/or libbzip2, a program and 2039ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown library for lossless, block-sorting data compression. 2040ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2041ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (C) 1996-2004 Julian R Seward. All rights reserved. 2042ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2043ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Redistribution and use in source and binary forms, with or without 2044ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modification, are permitted provided that the following conditions 2045ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are met: 2046ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2047ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1. Redistributions of source code must retain the above copyright 2048ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown notice, this list of conditions and the following disclaimer. 2049ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2050ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2. The origin of this software must not be misrepresented; you must 2051ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not claim that you wrote the original software. If you use this 2052ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown software in a product, an acknowledgment in the product 2053ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown documentation would be appreciated but is not required. 2054ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2055ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3. Altered source versions must be plainly marked as such, and must 2056ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not be misrepresented as being the original software. 2057ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2058ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4. The name of the author may not be used to endorse or promote 2059ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown products derived from this software without specific prior written 2060ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown permission. 2061ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2062ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 2063ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 2064ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2065ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 2066ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2067ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 2068ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2069ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 2070ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2071ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 2072ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2073ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2074ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Julian Seward, Cambridge, UK. 2075ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@bzip.org 2076ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzip2/libbzip2 version 1.0 of 21 March 2000 2077ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2078ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is based on (at least) the work of: 2079ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Mike Burrows 2080ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown David Wheeler 2081ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Peter Fenwick 2082ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Alistair Moffat 2083ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Radford Neal 2084ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ian H. Witten 2085ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Robert Sedgewick 2086ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Jon L. Bentley 2087ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2088ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown For more information on these sources, see the manual. 2089ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2090ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown To get some idea how the block sorting algorithms in this file 2091ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown work, read my paper 2092ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown On the Performance of BWT Sorting Algorithms 2093ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown in Proceedings of the IEEE Data Compression Conference 2000, 2094ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Snowbird, Utah, USA, 27-30 March 2000. The main sort in this 2095ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown file implements the algorithm called cache in the paper. 2096ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 2097ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2098ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2099ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2101ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Fallback O(N log(N)^2) sorting ---*/ 2102ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- algorithm, for repetitive blocks ---*/ 2103ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2104ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2105ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2106ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 2107ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid fallbackSimpleSort ( UInt32* fmap, 2108ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* eclass, 2109ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 lo, 2110ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 hi ) 2111ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 2112ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i, j, tmp; 2113ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 ec_tmp; 2114ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2115ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (lo == hi) return; 2116ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2117ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (hi - lo > 3) { 2118ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for ( i = hi-4; i >= lo; i-- ) { 2119ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tmp = fmap[i]; 2120ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ec_tmp = eclass[tmp]; 2121ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for ( j = i+4; j <= hi && ec_tmp > eclass[fmap[j]]; j += 4 ) 2122ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fmap[j-4] = fmap[j]; 2123ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fmap[j-4] = tmp; 2124ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2125ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2126ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2127ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for ( i = hi-1; i >= lo; i-- ) { 2128ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tmp = fmap[i]; 2129ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ec_tmp = eclass[tmp]; 2130ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for ( j = i+1; j <= hi && ec_tmp > eclass[fmap[j]]; j++ ) 2131ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fmap[j-1] = fmap[j]; 2132ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fmap[j-1] = tmp; 2133ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2134ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2135ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2136ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2137ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2138ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define fswap(zz1, zz2) \ 2139ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { Int32 zztmp = zz1; zz1 = zz2; zz2 = zztmp; } 2140ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2141ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define fvswap(zzp1, zzp2, zzn) \ 2142ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 2143ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 yyp1 = (zzp1); \ 2144ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 yyp2 = (zzp2); \ 2145ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 yyn = (zzn); \ 2146ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (yyn > 0) { \ 2147ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fswap(fmap[yyp1], fmap[yyp2]); \ 2148ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown yyp1++; yyp2++; yyn--; \ 2149ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 2150ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2151ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2152ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2153ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define fmin(a,b) ((a) < (b)) ? (a) : (b) 2154ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2155ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define fpush(lz,hz) { stackLo[sp] = lz; \ 2156ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown stackHi[sp] = hz; \ 2157ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown sp++; } 2158ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2159ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define fpop(lz,hz) { sp--; \ 2160ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lz = stackLo[sp]; \ 2161ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown hz = stackHi[sp]; } 2162ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2163ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define FALLBACK_QSORT_SMALL_THRESH 10 2164ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define FALLBACK_QSORT_STACK_SIZE 100 2165ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2166ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2167ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 2168ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid fallbackQSort3 ( UInt32* fmap, 2169ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* eclass, 2170ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 loSt, 2171ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 hiSt ) 2172ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 2173ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 unLo, unHi, ltLo, gtHi, n, m; 2174ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 sp, lo, hi; 2175ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 med, r, r3; 2176ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 stackLo[FALLBACK_QSORT_STACK_SIZE]; 2177ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 stackHi[FALLBACK_QSORT_STACK_SIZE]; 2178ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2179ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown r = 0; 2180ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2181ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown sp = 0; 2182ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fpush ( loSt, hiSt ); 2183ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2184ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (sp > 0) { 2185ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2186ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( sp < FALLBACK_QSORT_STACK_SIZE, 1004 ); 2187ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2188ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fpop ( lo, hi ); 2189ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (hi - lo < FALLBACK_QSORT_SMALL_THRESH) { 2190ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fallbackSimpleSort ( fmap, eclass, lo, hi ); 2191ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 2192ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2193ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2194ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Random partitioning. Median of 3 sometimes fails to 2195ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown avoid bad cases. Median of 9 seems to help but 2196ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown looks rather expensive. This too seems to work but 2197ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown is cheaper. Guidance for the magic constants 2198ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 7621 and 32768 is taken from Sedgewick's algorithms 2199ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown book, chapter 35. 2200ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 2201ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown r = ((r * 7621) + 1) % 32768; 2202ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown r3 = r % 3; 2203ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (r3 == 0) med = eclass[fmap[lo]]; else 2204ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (r3 == 1) med = eclass[fmap[(lo+hi)>>1]]; else 2205ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown med = eclass[fmap[hi]]; 2206ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2207ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unLo = ltLo = lo; 2208ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unHi = gtHi = hi; 2209ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2210ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (1) { 2211ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (1) { 2212ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (unLo > unHi) break; 2213ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = (Int32)eclass[fmap[unLo]] - (Int32)med; 2214ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n == 0) { 2215ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fswap(fmap[unLo], fmap[ltLo]); 2216ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ltLo++; unLo++; 2217ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 2218ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 2219ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n > 0) break; 2220ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unLo++; 2221ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2222ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (1) { 2223ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (unLo > unHi) break; 2224ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = (Int32)eclass[fmap[unHi]] - (Int32)med; 2225ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n == 0) { 2226ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fswap(fmap[unHi], fmap[gtHi]); 2227ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gtHi--; unHi--; 2228ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 2229ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 2230ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n < 0) break; 2231ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unHi--; 2232ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2233ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (unLo > unHi) break; 2234ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fswap(fmap[unLo], fmap[unHi]); unLo++; unHi--; 2235ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2236ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2237ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertD ( unHi == unLo-1, "fallbackQSort3(2)" ); 2238ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2239ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (gtHi < ltLo) continue; 2240ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2241ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = fmin(ltLo-lo, unLo-ltLo); fvswap(lo, unLo-n, n); 2242ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown m = fmin(hi-gtHi, gtHi-unHi); fvswap(unLo, hi-m+1, m); 2243ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2244ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = lo + unLo - ltLo - 1; 2245ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown m = hi - (gtHi - unHi) + 1; 2246ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2247ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n - lo > hi - m) { 2248ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fpush ( lo, n ); 2249ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fpush ( m, hi ); 2250ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 2251ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fpush ( m, hi ); 2252ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fpush ( lo, n ); 2253ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2254ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2255ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2256ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2257ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef fmin 2258ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef fpush 2259ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef fpop 2260ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef fswap 2261ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef fvswap 2262ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef FALLBACK_QSORT_SMALL_THRESH 2263ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef FALLBACK_QSORT_STACK_SIZE 2264ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2265ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2266ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2267ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Pre: 2268ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock > 0 2269ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown eclass exists for [0 .. nblock-1] 2270ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UChar*)eclass) [0 .. nblock-1] holds block 2271ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr exists for [0 .. nblock-1] 2272ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2273ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Post: 2274ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UChar*)eclass) [0 .. nblock-1] holds block 2275ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown All other areas of eclass destroyed 2276ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fmap [0 .. nblock-1] holds sorted order 2277ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bhtab [ 0 .. 2+(nblock/32) ] destroyed 2278ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 2279ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2280ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define SET_BH(zz) bhtab[(zz) >> 5] |= (1 << ((zz) & 31)) 2281ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define CLEAR_BH(zz) bhtab[(zz) >> 5] &= ~(1 << ((zz) & 31)) 2282ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define ISSET_BH(zz) (bhtab[(zz) >> 5] & (1 << ((zz) & 31))) 2283ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define WORD_BH(zz) bhtab[(zz) >> 5] 2284ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define UNALIGNED_BH(zz) ((zz) & 0x01f) 2285ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2286ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 2287ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid fallbackSort ( UInt32* fmap, 2288ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* eclass, 2289ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* bhtab, 2290ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblock, 2291ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 verb ) 2292ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 2293ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 ftab[257]; 2294ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 ftabCopy[256]; 2295ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 H, i, j, k, l, r, cc, cc1; 2296ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nNotDone; 2297ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nBhtab; 2298ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* eclass8 = (UChar*)eclass; 2299ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2300ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 2301ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Initial 1-char radix sort to generate 2302ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown initial fmap and initial BH bits. 2303ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 2304ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verb >= 4) 2305ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf0 ( " bucket sorting ...\n" ); 2306ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 257; i++) ftab[i] = 0; 2307ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nblock; i++) ftab[eclass8[i]]++; 2308ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 256; i++) ftabCopy[i] = ftab[i]; 2309ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 1; i < 257; i++) ftab[i] += ftab[i-1]; 2310ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2311ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nblock; i++) { 2312ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = eclass8[i]; 2313ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k = ftab[j] - 1; 2314ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[j] = k; 2315ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fmap[k] = i; 2316ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2317ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2318ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nBhtab = 2 + (nblock / 32); 2319ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nBhtab; i++) bhtab[i] = 0; 2320ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 256; i++) SET_BH(ftab[i]); 2321ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2322ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 2323ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Inductively refine the buckets. Kind-of an 2324ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown "exponential radix sort" (!), inspired by the 2325ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Manber-Myers suffix array construction algorithm. 2326ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 2327ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2328ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- set sentinel bits for block-end detection --*/ 2329ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 32; i++) { 2330ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SET_BH(nblock + 2*i); 2331ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown CLEAR_BH(nblock + 2*i + 1); 2332ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2333ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2334ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- the log(N) loop --*/ 2335ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown H = 1; 2336ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (1) { 2337ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2338ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verb >= 4) 2339ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf1 ( " depth %6d has ", H ); 2340ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2341ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = 0; 2342ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nblock; i++) { 2343ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ISSET_BH(i)) j = i; 2344ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k = fmap[i] - H; if (k < 0) k += nblock; 2345ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown eclass[k] = j; 2346ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2347ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2348ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nNotDone = 0; 2349ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown r = -1; 2350ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (1) { 2351ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2352ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- find the next non-singleton bucket --*/ 2353ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k = r + 1; 2354ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (ISSET_BH(k) && UNALIGNED_BH(k)) k++; 2355ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ISSET_BH(k)) { 2356ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (WORD_BH(k) == 0xffffffff) k += 32; 2357ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (ISSET_BH(k)) k++; 2358ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2359ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown l = k - 1; 2360ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (l >= nblock) break; 2361ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (!ISSET_BH(k) && UNALIGNED_BH(k)) k++; 2362ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (!ISSET_BH(k)) { 2363ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (WORD_BH(k) == 0x00000000) k += 32; 2364ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (!ISSET_BH(k)) k++; 2365ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2366ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown r = k - 1; 2367ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (r >= nblock) break; 2368ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2369ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- now [l, r] bracket current bucket --*/ 2370ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (r > l) { 2371ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nNotDone += (r - l + 1); 2372ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fallbackQSort3 ( fmap, eclass, l, r ); 2373ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2374ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- scan bucket and generate header bits-- */ 2375ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cc = -1; 2376ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = l; i <= r; i++) { 2377ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cc1 = eclass[fmap[i]]; 2378ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (cc != cc1) { SET_BH(i); cc = cc1; }; 2379ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2380ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2381ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2382ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2383ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verb >= 4) 2384ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf1 ( "%6d unresolved strings\n", nNotDone ); 2385ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2386ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown H *= 2; 2387ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (H > nblock || nNotDone == 0) break; 2388ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2389ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2390ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 2391ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Reconstruct the original block in 2392ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown eclass8 [0 .. nblock-1], since the 2393ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown previous phase destroyed it. 2394ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 2395ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verb >= 4) 2396ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf0 ( " reconstructing block ...\n" ); 2397ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = 0; 2398ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nblock; i++) { 2399ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (ftabCopy[j] == 0) j++; 2400ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftabCopy[j]--; 2401ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown eclass8[fmap[i]] = (UChar)j; 2402ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2403ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( j < 256, 1005 ); 2404ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2405ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2406ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef SET_BH 2407ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef CLEAR_BH 2408ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef ISSET_BH 2409ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef WORD_BH 2410ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef UNALIGNED_BH 2411ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2412ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2413ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2414ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- The main, O(N^2 log(N)) sorting ---*/ 2415ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- algorithm. Faster for "normal" ---*/ 2416ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- non-repetitive blocks. ---*/ 2417ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2418ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2419ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2420ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 2421ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool mainGtU ( UInt32 i1, 2422ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 i2, 2423ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* block, 2424ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16* quadrant, 2425ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 nblock, 2426ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* budget ) 2427ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 2428ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 k; 2429ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar c1, c2; 2430ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16 s1, s2; 2431ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2432ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertD ( i1 != i2, "mainGtU" ); 2433ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 1 */ 2434ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2435ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2436ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2437ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 2 */ 2438ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2439ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2440ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2441ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 3 */ 2442ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2443ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2444ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2445ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 4 */ 2446ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2447ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2448ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2449ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 5 */ 2450ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2451ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2452ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2453ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 6 */ 2454ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2455ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2456ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2457ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 7 */ 2458ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2459ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2460ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2461ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 8 */ 2462ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2463ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2464ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2465ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 9 */ 2466ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2467ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2468ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2469ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 10 */ 2470ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2471ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2472ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2473ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 11 */ 2474ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2475ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2476ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2477ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 12 */ 2478ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2479ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2480ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2481ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2482ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k = nblock + 8; 2483ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2484ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown do { 2485ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 1 */ 2486ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2487ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2488ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s1 = quadrant[i1]; s2 = quadrant[i2]; 2489ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s1 != s2) return (s1 > s2); 2490ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2491ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 2 */ 2492ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2493ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2494ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s1 = quadrant[i1]; s2 = quadrant[i2]; 2495ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s1 != s2) return (s1 > s2); 2496ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2497ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 3 */ 2498ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2499ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2500ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s1 = quadrant[i1]; s2 = quadrant[i2]; 2501ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s1 != s2) return (s1 > s2); 2502ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2503ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 4 */ 2504ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2505ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2506ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s1 = quadrant[i1]; s2 = quadrant[i2]; 2507ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s1 != s2) return (s1 > s2); 2508ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2509ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 5 */ 2510ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2511ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2512ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s1 = quadrant[i1]; s2 = quadrant[i2]; 2513ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s1 != s2) return (s1 > s2); 2514ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2515ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 6 */ 2516ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2517ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2518ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s1 = quadrant[i1]; s2 = quadrant[i2]; 2519ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s1 != s2) return (s1 > s2); 2520ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2521ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 7 */ 2522ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2523ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2524ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s1 = quadrant[i1]; s2 = quadrant[i2]; 2525ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s1 != s2) return (s1 > s2); 2526ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2527ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 8 */ 2528ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[i1]; c2 = block[i2]; 2529ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c1 != c2) return (c1 > c2); 2530ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s1 = quadrant[i1]; s2 = quadrant[i2]; 2531ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s1 != s2) return (s1 > s2); 2532ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i1++; i2++; 2533ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2534ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (i1 >= nblock) i1 -= nblock; 2535ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (i2 >= nblock) i2 -= nblock; 2536ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2537ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k -= 8; 2538ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*budget)--; 2539ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2540ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (k >= 0); 2541ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2542ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return False; 2543ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2544ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2545ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2546ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2547ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 2548ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Knuth's increments seem to work better 2549ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown than Incerpi-Sedgewick here. Possibly 2550ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown because the number of elems to sort is 2551ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown usually small, typically <= 20. 2552ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 2553ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 2554ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownInt32 incs[14] = { 1, 4, 13, 40, 121, 364, 1093, 3280, 2555ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 9841, 29524, 88573, 265720, 2556ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 797161, 2391484 }; 2557ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2558ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 2559ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid mainSimpleSort ( UInt32* ptr, 2560ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* block, 2561ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16* quadrant, 2562ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblock, 2563ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 lo, 2564ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 hi, 2565ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 d, 2566ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* budget ) 2567ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 2568ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i, j, h, bigN, hp; 2569ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 v; 2570ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2571ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bigN = hi - lo + 1; 2572ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bigN < 2) return; 2573ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2574ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown hp = 0; 2575ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (incs[hp] < bigN) hp++; 2576ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown hp--; 2577ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2578ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (; hp >= 0; hp--) { 2579ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown h = incs[hp]; 2580ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2581ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i = lo + h; 2582ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 2583ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2584ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- copy 1 --*/ 2585ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (i > hi) break; 2586ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown v = ptr[i]; 2587ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = i; 2588ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( mainGtU ( 2589ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j-h]+d, v+d, block, quadrant, nblock, budget 2590ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ) ) { 2591ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = ptr[j-h]; 2592ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = j - h; 2593ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (j <= (lo + h - 1)) break; 2594ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2595ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = v; 2596ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i++; 2597ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2598ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- copy 2 --*/ 2599ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (i > hi) break; 2600ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown v = ptr[i]; 2601ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = i; 2602ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( mainGtU ( 2603ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j-h]+d, v+d, block, quadrant, nblock, budget 2604ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ) ) { 2605ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = ptr[j-h]; 2606ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = j - h; 2607ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (j <= (lo + h - 1)) break; 2608ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2609ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = v; 2610ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i++; 2611ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2612ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- copy 3 --*/ 2613ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (i > hi) break; 2614ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown v = ptr[i]; 2615ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = i; 2616ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( mainGtU ( 2617ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j-h]+d, v+d, block, quadrant, nblock, budget 2618ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ) ) { 2619ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = ptr[j-h]; 2620ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = j - h; 2621ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (j <= (lo + h - 1)) break; 2622ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2623ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = v; 2624ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i++; 2625ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2626ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (*budget < 0) return; 2627ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2628ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2629ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2630ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2631ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2632ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2633ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 2634ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown The following is an implementation of 2635ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown an elegant 3-way quicksort for strings, 2636ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown described in a paper "Fast Algorithms for 2637ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Sorting and Searching Strings", by Robert 2638ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Sedgewick and Jon L. Bentley. 2639ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 2640ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2641ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define mswap(zz1, zz2) \ 2642ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { Int32 zztmp = zz1; zz1 = zz2; zz2 = zztmp; } 2643ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2644ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define mvswap(zzp1, zzp2, zzn) \ 2645ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 2646ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 yyp1 = (zzp1); \ 2647ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 yyp2 = (zzp2); \ 2648ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 yyn = (zzn); \ 2649ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (yyn > 0) { \ 2650ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mswap(ptr[yyp1], ptr[yyp2]); \ 2651ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown yyp1++; yyp2++; yyn--; \ 2652ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 2653ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2654ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2655ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 2656ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownUChar mmed3 ( UChar a, UChar b, UChar c ) 2657ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 2658ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar t; 2659ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (a > b) { t = a; a = b; b = t; }; 2660ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (b > c) { 2661ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown b = c; 2662ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (a > b) b = a; 2663ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2664ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return b; 2665ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2666ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2667ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define mmin(a,b) ((a) < (b)) ? (a) : (b) 2668ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2669ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define mpush(lz,hz,dz) { stackLo[sp] = lz; \ 2670ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown stackHi[sp] = hz; \ 2671ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown stackD [sp] = dz; \ 2672ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown sp++; } 2673ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2674ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define mpop(lz,hz,dz) { sp--; \ 2675ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lz = stackLo[sp]; \ 2676ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown hz = stackHi[sp]; \ 2677ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown dz = stackD [sp]; } 2678ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2679ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2680ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define mnextsize(az) (nextHi[az]-nextLo[az]) 2681ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2682ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define mnextswap(az,bz) \ 2683ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { Int32 tz; \ 2684ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tz = nextLo[az]; nextLo[az] = nextLo[bz]; nextLo[bz] = tz; \ 2685ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tz = nextHi[az]; nextHi[az] = nextHi[bz]; nextHi[bz] = tz; \ 2686ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tz = nextD [az]; nextD [az] = nextD [bz]; nextD [bz] = tz; } 2687ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2688ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2689ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define MAIN_QSORT_SMALL_THRESH 20 2690ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define MAIN_QSORT_DEPTH_THRESH (BZ_N_RADIX + BZ_N_QSORT) 2691ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define MAIN_QSORT_STACK_SIZE 100 2692ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2693ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 2694ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid mainQSort3 ( UInt32* ptr, 2695ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* block, 2696ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16* quadrant, 2697ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblock, 2698ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 loSt, 2699ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 hiSt, 2700ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 dSt, 2701ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* budget ) 2702ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 2703ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 unLo, unHi, ltLo, gtHi, n, m, med; 2704ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 sp, lo, hi, d; 2705ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2706ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 stackLo[MAIN_QSORT_STACK_SIZE]; 2707ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 stackHi[MAIN_QSORT_STACK_SIZE]; 2708ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 stackD [MAIN_QSORT_STACK_SIZE]; 2709ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2710ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nextLo[3]; 2711ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nextHi[3]; 2712ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nextD [3]; 2713ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2714ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown sp = 0; 2715ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mpush ( loSt, hiSt, dSt ); 2716ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2717ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (sp > 0) { 2718ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2719ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( sp < MAIN_QSORT_STACK_SIZE, 1001 ); 2720ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2721ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mpop ( lo, hi, d ); 2722ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (hi - lo < MAIN_QSORT_SMALL_THRESH || 2723ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown d > MAIN_QSORT_DEPTH_THRESH) { 2724ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mainSimpleSort ( ptr, block, quadrant, nblock, lo, hi, d, budget ); 2725ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (*budget < 0) return; 2726ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 2727ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2728ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2729ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown med = (Int32) 2730ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mmed3 ( block[ptr[ lo ]+d], 2731ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown block[ptr[ hi ]+d], 2732ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown block[ptr[ (lo+hi)>>1 ]+d] ); 2733ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2734ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unLo = ltLo = lo; 2735ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unHi = gtHi = hi; 2736ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2737ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 2738ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 2739ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (unLo > unHi) break; 2740ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = ((Int32)block[ptr[unLo]+d]) - med; 2741ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n == 0) { 2742ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mswap(ptr[unLo], ptr[ltLo]); 2743ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ltLo++; unLo++; continue; 2744ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 2745ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n > 0) break; 2746ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unLo++; 2747ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2748ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 2749ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (unLo > unHi) break; 2750ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = ((Int32)block[ptr[unHi]+d]) - med; 2751ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n == 0) { 2752ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mswap(ptr[unHi], ptr[gtHi]); 2753ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gtHi--; unHi--; continue; 2754ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 2755ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n < 0) break; 2756ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unHi--; 2757ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2758ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (unLo > unHi) break; 2759ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mswap(ptr[unLo], ptr[unHi]); unLo++; unHi--; 2760ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2761ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2762ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertD ( unHi == unLo-1, "mainQSort3(2)" ); 2763ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2764ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (gtHi < ltLo) { 2765ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mpush(lo, hi, d+1 ); 2766ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown continue; 2767ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2768ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2769ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = mmin(ltLo-lo, unLo-ltLo); mvswap(lo, unLo-n, n); 2770ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown m = mmin(hi-gtHi, gtHi-unHi); mvswap(unLo, hi-m+1, m); 2771ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2772ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = lo + unLo - ltLo - 1; 2773ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown m = hi - (gtHi - unHi) + 1; 2774ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2775ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nextLo[0] = lo; nextHi[0] = n; nextD[0] = d; 2776ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nextLo[1] = m; nextHi[1] = hi; nextD[1] = d; 2777ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nextLo[2] = n+1; nextHi[2] = m-1; nextD[2] = d+1; 2778ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2779ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (mnextsize(0) < mnextsize(1)) mnextswap(0,1); 2780ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (mnextsize(1) < mnextsize(2)) mnextswap(1,2); 2781ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (mnextsize(0) < mnextsize(1)) mnextswap(0,1); 2782ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2783ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertD (mnextsize(0) >= mnextsize(1), "mainQSort3(8)" ); 2784ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertD (mnextsize(1) >= mnextsize(2), "mainQSort3(9)" ); 2785ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2786ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mpush (nextLo[0], nextHi[0], nextD[0]); 2787ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mpush (nextLo[1], nextHi[1], nextD[1]); 2788ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mpush (nextLo[2], nextHi[2], nextD[2]); 2789ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2790ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 2791ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2792ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef mswap 2793ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef mvswap 2794ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef mpush 2795ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef mpop 2796ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef mmin 2797ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef mnextsize 2798ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef mnextswap 2799ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef MAIN_QSORT_SMALL_THRESH 2800ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef MAIN_QSORT_DEPTH_THRESH 2801ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef MAIN_QSORT_STACK_SIZE 2802ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2803ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2804ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 2805ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Pre: 2806ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock > N_OVERSHOOT 2807ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown block32 exists for [0 .. nblock-1 +N_OVERSHOOT] 2808ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UChar*)block32) [0 .. nblock-1] holds block 2809ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr exists for [0 .. nblock-1] 2810ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2811ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Post: 2812ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UChar*)block32) [0 .. nblock-1] holds block 2813ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown All other areas of block32 destroyed 2814ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab [0 .. 65536 ] destroyed 2815ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr [0 .. nblock-1] holds sorted order 2816ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (*budget < 0), sorting was abandoned 2817ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 2818ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2819ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BIGFREQ(b) (ftab[((b)+1) << 8] - ftab[(b) << 8]) 2820ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define SETMASK (1 << 21) 2821ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define CLEARMASK (~(SETMASK)) 2822ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2823ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*static*/ __attribute__((noinline)) 2824ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid mainSort ( UInt32* ptr, 2825ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* block, 2826ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16* quadrant, 2827ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* ftab, 2828ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblock, 2829ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 verb, 2830ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* budget ) 2831ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 2832ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i, j, k, ss, sb; 2833ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 runningOrder[256]; 2834ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool bigDone[256]; 2835ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 copyStart[256]; 2836ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 copyEnd [256]; 2837ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar c1; 2838ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 numQSorted; 2839ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16 s; 2840ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verb >= 4) VPrintf0 ( " main sort initialise ...\n" ); 2841ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2842ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- set up the 2-byte frequency table --*/ 2843ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 65536; i >= 0; i--) ftab[i] = 0; 2844ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2845ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = block[0] << 8; 2846ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i = nblock-1; 2847ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (; i >= 3; i -= 4) { 2848ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant[i] = 0; 2849ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = (j >> 8) | ( ((UInt16)block[i]) << 8); 2850ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[j]++; 2851ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant[i-1] = 0; 2852ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = (j >> 8) | ( ((UInt16)block[i-1]) << 8); 2853ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[j]++; 2854ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant[i-2] = 0; 2855ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = (j >> 8) | ( ((UInt16)block[i-2]) << 8); 2856ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[j]++; 2857ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant[i-3] = 0; 2858ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = (j >> 8) | ( ((UInt16)block[i-3]) << 8); 2859ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[j]++; 2860ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2861ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (; i >= 0; i--) { 2862ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant[i] = 0; 2863ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = (j >> 8) | ( ((UInt16)block[i]) << 8); 2864ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[j]++; 2865ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2866ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2867ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- (emphasises close relationship of block & quadrant) --*/ 2868ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < BZ_N_OVERSHOOT; i++) { 2869ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown block [nblock+i] = block[i]; 2870ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant[nblock+i] = 0; 2871ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2872ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2873ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verb >= 4) VPrintf0 ( " bucket sorting ...\n" ); 2874ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2875ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- Complete the initial radix sort --*/ 2876ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 1; i <= 65536; i++) ftab[i] += ftab[i-1]; 2877ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2878ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = block[0] << 8; 2879ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i = nblock-1; 2880ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (; i >= 3; i -= 4) { 2881ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = (s >> 8) | (block[i] << 8); 2882ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = ftab[s] -1; 2883ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[s] = j; 2884ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = i; 2885ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = (s >> 8) | (block[i-1] << 8); 2886ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = ftab[s] -1; 2887ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[s] = j; 2888ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = i-1; 2889ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = (s >> 8) | (block[i-2] << 8); 2890ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = ftab[s] -1; 2891ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[s] = j; 2892ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = i-2; 2893ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = (s >> 8) | (block[i-3] << 8); 2894ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = ftab[s] -1; 2895ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[s] = j; 2896ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = i-3; 2897ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2898ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (; i >= 0; i--) { 2899ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = (s >> 8) | (block[i] << 8); 2900ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = ftab[s] -1; 2901ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[s] = j; 2902ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[j] = i; 2903ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2904ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2905ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 2906ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Now ftab contains the first loc of every small bucket. 2907ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Calculate the running order, from smallest to largest 2908ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown big bucket. 2909ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 2910ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i <= 255; i++) { 2911ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bigDone [i] = False; 2912ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown runningOrder[i] = i; 2913ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2914ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2915ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 2916ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 vv; 2917ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 h = 1; 2918ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown do h = 3 * h + 1; while (h <= 256); 2919ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown do { 2920ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown h = h / 3; 2921ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = h; i <= 255; i++) { 2922ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vv = runningOrder[i]; 2923ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = i; 2924ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( BIGFREQ(runningOrder[j-h]) > BIGFREQ(vv) ) { 2925ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown runningOrder[j] = runningOrder[j-h]; 2926ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = j - h; 2927ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (j <= (h - 1)) goto zero; 2928ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2929ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zero: 2930ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown runningOrder[j] = vv; 2931ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2932ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } while (h != 1); 2933ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2934ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2935ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 2936ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown The main sorting loop. 2937ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 2938ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2939ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown numQSorted = 0; 2940ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2941ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i <= 255; i++) { 2942ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2943ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 2944ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Process big buckets, starting with the least full. 2945ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Basically this is a 3-step process in which we call 2946ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mainQSort3 to sort the small buckets [ss, j], but 2947ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown also make a big effort to avoid the calls if we can. 2948ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 2949ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ss = runningOrder[i]; 2950ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2951ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 2952ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Step 1: 2953ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Complete the big bucket [ss] by quicksorting 2954ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown any unsorted small buckets [ss, j], for j != ss. 2955ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Hopefully previous pointer-scanning phases have already 2956ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown completed many of the small buckets [ss, j], so 2957ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown we don't have to sort them at all. 2958ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 2959ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = 0; j <= 255; j++) { 2960ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (j != ss) { 2961ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown sb = (ss << 8) + j; 2962ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if ( ! (ftab[sb] & SETMASK) ) { 2963ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 lo = ftab[sb] & CLEARMASK; 2964ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 hi = (ftab[sb+1] & CLEARMASK) - 1; 2965ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (hi > lo) { 2966ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verb >= 4) 2967ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf4 ( " qsort [0x%x, 0x%x] " 2968ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown "done %d this %d\n", 2969ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ss, j, numQSorted, hi - lo + 1 ); 2970ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mainQSort3 ( 2971ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr, block, quadrant, nblock, 2972ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown lo, hi, BZ_N_RADIX, budget 2973ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ); 2974ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown numQSorted += (hi - lo + 1); 2975ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (*budget < 0) return; 2976ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2977ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2978ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab[sb] |= SETMASK; 2979ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2980ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2981ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2982ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( !bigDone[ss], 1006 ); 2983ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2984ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 2985ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Step 2: 2986ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Now scan this big bucket [ss] so as to synthesise the 2987ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown sorted order for small buckets [t, ss] for all t, 2988ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown including, magically, the bucket [ss,ss] too. 2989ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This will avoid doing Real Work in subsequent Step 1's. 2990ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 2991ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 2992ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = 0; j <= 255; j++) { 2993ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown copyStart[j] = ftab[(j << 8) + ss] & CLEARMASK; 2994ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown copyEnd [j] = (ftab[(j << 8) + ss + 1] & CLEARMASK) - 1; 2995ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 2996ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = ftab[ss << 8] & CLEARMASK; j < copyStart[ss]; j++) { 2997ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k = ptr[j]-1; if (k < 0) k += nblock; 2998ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[k]; 2999ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browncroak( 2 + (char*)budget ); /* should identify decl in calling frame */ 3000ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (!bigDone[c1]) 3001ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[ copyStart[c1]++ ] = k; 3002ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3003ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = (ftab[(ss+1) << 8] & CLEARMASK) - 1; j > copyEnd[ss]; j--) { 3004ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k = ptr[j]-1; if (k < 0) k += nblock; 3005ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c1 = block[k]; 3006ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (!bigDone[c1]) 3007ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ptr[ copyEnd[c1]-- ] = k; 3008ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3009ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3010ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3011ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( (copyStart[ss]-1 == copyEnd[ss]) 3012ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown || 3013ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Extremely rare case missing in bzip2-1.0.0 and 1.0.1. 3014ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Necessity for this case is demonstrated by compressing 3015ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown a sequence of approximately 48.5 million of character 3016ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 251; 1.0.0/1.0.1 will then die here. */ 3017ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (copyStart[ss] == 0 && copyEnd[ss] == nblock-1), 3018ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1007 ) 3019ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3020ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = 0; j <= 255; j++) ftab[(j << 8) + ss] |= SETMASK; 3021ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3022ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 3023ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Step 3: 3024ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown The [ss] big bucket is now done. Record this fact, 3025ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown and update the quadrant descriptors. Remember to 3026ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown update quadrants in the overshoot area too, if 3027ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown necessary. The "if (i < 255)" test merely skips 3028ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown this updating for the last bucket processed, since 3029ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown updating for the last bucket is pointless. 3030ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3031ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown The quadrant array provides a way to incrementally 3032ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cache sort orderings, as they appear, so as to 3033ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown make subsequent comparisons in fullGtU() complete 3034ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown faster. For repetitive blocks this makes a big 3035ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown difference (but not big enough to be able to avoid 3036ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown the fallback sorting mechanism, exponential radix sort). 3037ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3038ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown The precise meaning is: at all times: 3039ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3040ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for 0 <= i < nblock and 0 <= j <= nblock 3041ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3042ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if block[i] != block[j], 3043ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3044ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown then the relative values of quadrant[i] and 3045ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant[j] are meaningless. 3046ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3047ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else { 3048ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if quadrant[i] < quadrant[j] 3049ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown then the string starting at i lexicographically 3050ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown precedes the string starting at j 3051ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3052ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else if quadrant[i] > quadrant[j] 3053ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown then the string starting at j lexicographically 3054ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown precedes the string starting at i 3055ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3056ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 3057ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown the relative ordering of the strings starting 3058ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown at i and j has not yet been determined. 3059ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3060ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 3061ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bigDone[ss] = True; 3062ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3063ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (i < 255) { 3064ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 bbStart = ftab[ss << 8] & CLEARMASK; 3065ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 bbSize = (ftab[(ss+1) << 8] & CLEARMASK) - bbStart; 3066ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 shifts = 0; 3067ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3068ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ((bbSize >> shifts) > 65534) shifts++; 3069ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3070ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = bbSize-1; j >= 0; j--) { 3071ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 a2update = ptr[bbStart + j]; 3072ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16 qVal = (UInt16)(j >> shifts); 3073ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant[a2update] = qVal; 3074ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (a2update < BZ_N_OVERSHOOT) 3075ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant[a2update + nblock] = qVal; 3076ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3077ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( ((bbSize-1) >> shifts) <= 65535, 1002 ); 3078ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3079ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3080ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3081ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3082ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verb >= 4) 3083ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf3 ( " %d pointers, %d sorted, %d scanned\n", 3084ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock, numQSorted, nblock - numQSorted ); 3085ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3086ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3087ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef BIGFREQ 3088ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef SETMASK 3089ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#undef CLEARMASK 3090ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3091ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3092ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 3093ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Pre: 3094ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock > 0 3095ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown arr2 exists for [0 .. nblock-1 +N_OVERSHOOT] 3096ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UChar*)arr2) [0 .. nblock-1] holds block 3097ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown arr1 exists for [0 .. nblock-1] 3098ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3099ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Post: 3100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UChar*)arr2) [0 .. nblock-1] holds block 3101ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown All other areas of block destroyed 3102ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ftab [ 0 .. 65536 ] destroyed 3103ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown arr1 [0 .. nblock-1] holds sorted order 3104ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 3105ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown__attribute__((noinline)) 3106ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ2_blockSort ( EState* s ) 3107ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3108ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* ptr = s->ptr; 3109ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* block = s->block; 3110ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* ftab = s->ftab; 3111ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nblock = s->nblock; 3112ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 verb = s->verbosity; 3113ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 wfact = s->workFactor; 3114ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16* quadrant; 3115ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 budget; 3116ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 budgetInit; 3117ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i; 3118ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3119ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nblock < /* 10000 */1000 ) { 3120ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fallbackSort ( s->arr1, s->arr2, ftab, nblock, verb ); 3121ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 3122ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Calculate the location for quadrant, remembering to get 3123ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown the alignment right. Assumes that &(block[0]) is at least 3124ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2-byte aligned -- this should be ok since block is really 3125ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown the first section of arr2. 3126ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 3127ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown i = nblock+BZ_N_OVERSHOOT; 3128ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (i & 1) i++; 3129ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown quadrant = (UInt16*)(&(block[i])); 3130ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3131ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* (wfact-1) / 3 puts the default-factor-30 3132ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown transition point at very roughly the same place as 3133ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown with v0.1 and v0.9.0. 3134ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Not that it particularly matters any more, since the 3135ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown resulting compressed stream is now the same regardless 3136ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown of whether or not we use the main sort or fallback sort. 3137ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 3138ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (wfact < 1 ) wfact = 1; 3139ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (wfact > 100) wfact = 100; 3140ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown budgetInit = nblock * ((wfact-1) / 3); 3141ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown budget = budgetInit; 3142ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3143ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mainSort ( ptr, block, quadrant, ftab, nblock, verb, &budget ); 3144ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (0 && verb >= 3) 3145ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf3 ( " %d work, %d block, ratio %5.2f\n", 3146ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown budgetInit - budget, 3147ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nblock, 3148ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (float)(budgetInit - budget) / 3149ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (float)(nblock==0 ? 1 : nblock) ); 3150ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (budget < 0) { 3151ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verb >= 2) 3152ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf0 ( " too repetitive; using fallback" 3153ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown " sorting algorithm\n" ); 3154ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fallbackSort ( s->arr1, s->arr2, ftab, nblock, verb ); 3155ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3156ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3157ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3158ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->origPtr = -1; 3159ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < s->nblock; i++) 3160ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ptr[i] == 0) 3161ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { s->origPtr = i; break; }; 3162ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3163ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH( s->origPtr != -1, 1003 ); 3164ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3165ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3166ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3167ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 3168ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end blocksort.c ---*/ 3169ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 3170ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3171ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 3172ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Huffman coding low-level stuff ---*/ 3173ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- huffman.c ---*/ 3174ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 3175ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3176ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 3177ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is a part of bzip2 and/or libbzip2, a program and 3178ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown library for lossless, block-sorting data compression. 3179ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3180ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (C) 1996-2004 Julian R Seward. All rights reserved. 3181ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3182ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Redistribution and use in source and binary forms, with or without 3183ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modification, are permitted provided that the following conditions 3184ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are met: 3185ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3186ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1. Redistributions of source code must retain the above copyright 3187ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown notice, this list of conditions and the following disclaimer. 3188ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3189ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2. The origin of this software must not be misrepresented; you must 3190ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not claim that you wrote the original software. If you use this 3191ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown software in a product, an acknowledgment in the product 3192ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown documentation would be appreciated but is not required. 3193ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3194ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3. Altered source versions must be plainly marked as such, and must 3195ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not be misrepresented as being the original software. 3196ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3197ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4. The name of the author may not be used to endorse or promote 3198ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown products derived from this software without specific prior written 3199ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown permission. 3200ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3201ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 3202ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 3203ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3204ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 3205ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3206ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 3207ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3208ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 3209ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 3210ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3211ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3212ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3213ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Julian Seward, Cambridge, UK. 3214ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@bzip.org 3215ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzip2/libbzip2 version 1.0 of 21 March 2000 3216ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3217ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is based on (at least) the work of: 3218ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Mike Burrows 3219ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown David Wheeler 3220ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Peter Fenwick 3221ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Alistair Moffat 3222ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Radford Neal 3223ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ian H. Witten 3224ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Robert Sedgewick 3225ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Jon L. Bentley 3226ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3227ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown For more information on these sources, see the manual. 3228ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 3229ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3230ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3231ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3232ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3233ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define WEIGHTOF(zz0) ((zz0) & 0xffffff00) 3234ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define DEPTHOF(zz1) ((zz1) & 0x000000ff) 3235ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define MYMAX(zz2,zz3) ((zz2) > (zz3) ? (zz2) : (zz3)) 3236ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3237ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define ADDWEIGHTS(zw1,zw2) \ 3238ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (WEIGHTOF(zw1)+WEIGHTOF(zw2)) | \ 3239ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (1 + MYMAX(DEPTHOF(zw1),DEPTHOF(zw2))) 3240ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3241ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define UPHEAP(z) \ 3242ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 3243ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 zz, tmp; \ 3244ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zz = z; tmp = heap[zz]; \ 3245ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (weight[tmp] < weight[heap[zz >> 1]]) { \ 3246ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown heap[zz] = heap[zz >> 1]; \ 3247ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zz >>= 1; \ 3248ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 3249ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown heap[zz] = tmp; \ 3250ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3251ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3252ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define DOWNHEAP(z) \ 3253ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 3254ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 zz, yy, tmp; \ 3255ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zz = z; tmp = heap[zz]; \ 3256ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { \ 3257ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown yy = zz << 1; \ 3258ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (yy > nHeap) break; \ 3259ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (yy < nHeap && \ 3260ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown weight[heap[yy+1]] < weight[heap[yy]]) \ 3261ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown yy++; \ 3262ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (weight[tmp] < weight[heap[yy]]) break; \ 3263ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown heap[zz] = heap[yy]; \ 3264ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zz = yy; \ 3265ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 3266ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown heap[zz] = tmp; \ 3267ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3268ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3269ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3270ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3271ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ2_hbMakeCodeLengths ( UChar *len, 3272ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 *freq, 3273ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 alphaSize, 3274ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 maxLen ) 3275ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3276ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 3277ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Nodes and heap entries run from 1. Entry 0 3278ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for both the heap and nodes is a sentinel. 3279ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 3280ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nNodes, nHeap, n1, n2, i, j, k; 3281ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool tooLong; 3282ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3283ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 heap [ BZ_MAX_ALPHA_SIZE + 2 ]; 3284ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 weight [ BZ_MAX_ALPHA_SIZE * 2 ]; 3285ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 parent [ BZ_MAX_ALPHA_SIZE * 2 ]; 3286ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3287ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < alphaSize; i++) 3288ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown weight[i+1] = (freq[i] == 0 ? 1 : freq[i]) << 8; 3289ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3290ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 3291ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3292ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nNodes = alphaSize; 3293ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nHeap = 0; 3294ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3295ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown heap[0] = 0; 3296ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown weight[0] = 0; 3297ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown parent[0] = -2; 3298ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3299ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 1; i <= alphaSize; i++) { 3300ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown parent[i] = -1; 3301ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nHeap++; 3302ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown heap[nHeap] = i; 3303ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UPHEAP(nHeap); 3304ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3305ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3306ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH( nHeap < (BZ_MAX_ALPHA_SIZE+2), 2001 ); 3307ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3308ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (nHeap > 1) { 3309ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n1 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1); 3310ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n2 = heap[1]; heap[1] = heap[nHeap]; nHeap--; DOWNHEAP(1); 3311ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nNodes++; 3312ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown parent[n1] = parent[n2] = nNodes; 3313ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown weight[nNodes] = ADDWEIGHTS(weight[n1], weight[n2]); 3314ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown parent[nNodes] = -1; 3315ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nHeap++; 3316ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown heap[nHeap] = nNodes; 3317ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UPHEAP(nHeap); 3318ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3319ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3320ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH( nNodes < (BZ_MAX_ALPHA_SIZE * 2), 2002 ); 3321ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3322ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tooLong = False; 3323ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 1; i <= alphaSize; i++) { 3324ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = 0; 3325ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k = i; 3326ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (parent[k] >= 0) { k = parent[k]; j++; } 3327ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown len[i-1] = j; 3328ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (j > maxLen) tooLong = True; 3329ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3330ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3331ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (! tooLong) break; 3332ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3333ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 17 Oct 04: keep-going condition for the following loop used 3334ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown to be 'i < alphaSize', which missed the last element, 3335ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown theoretically leading to the possibility of the compressor 3336ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown looping. However, this count-scaling step is only needed if 3337ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown one of the generated Huffman code words is longer than 3338ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown maxLen, which up to and including version 1.0.2 was 20 bits, 3339ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown which is extremely unlikely. In version 1.0.3 maxLen was 3340ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown changed to 17 bits, which has minimal effect on compression 3341ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ratio, but does mean this scaling step is used from time to 3342ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown time, enough to verify that it works. 3343ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3344ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This means that bzip2-1.0.3 and later will only produce 3345ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Huffman codes with a maximum length of 17 bits. However, in 3346ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown order to preserve backwards compatibility with bitstreams 3347ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown produced by versions pre-1.0.3, the decompressor must still 3348ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown handle lengths of up to 20. */ 3349ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3350ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 1; i <= alphaSize; i++) { 3351ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = weight[i] >> 8; 3352ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = 1 + (j / 2); 3353ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown weight[i] = j << 8; 3354ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3355ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3356ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3357ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3358ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3359ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3360ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ2_hbAssignCodes ( Int32 *code, 3361ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar *length, 3362ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 minLen, 3363ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 maxLen, 3364ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 alphaSize ) 3365ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3366ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 n, vec, i; 3367ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3368ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vec = 0; 3369ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (n = minLen; n <= maxLen; n++) { 3370ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < alphaSize; i++) 3371ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (length[i] == n) { code[i] = vec; vec++; }; 3372ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vec <<= 1; 3373ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3374ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3375ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3376ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3377ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3378ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ2_hbCreateDecodeTables ( Int32 *limit, 3379ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 *base, 3380ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 *perm, 3381ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar *length, 3382ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 minLen, 3383ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 maxLen, 3384ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 alphaSize ) 3385ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3386ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 pp, i, j, vec; 3387ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3388ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pp = 0; 3389ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = minLen; i <= maxLen; i++) 3390ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = 0; j < alphaSize; j++) 3391ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (length[j] == i) { perm[pp] = j; pp++; }; 3392ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3393ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < BZ_MAX_CODE_LEN; i++) base[i] = 0; 3394ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < alphaSize; i++) base[length[i]+1]++; 3395ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3396ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 1; i < BZ_MAX_CODE_LEN; i++) base[i] += base[i-1]; 3397ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3398ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < BZ_MAX_CODE_LEN; i++) limit[i] = 0; 3399ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vec = 0; 3400ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3401ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = minLen; i <= maxLen; i++) { 3402ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vec += (base[i+1] - base[i]); 3403ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown limit[i] = vec-1; 3404ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vec <<= 1; 3405ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3406ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = minLen + 1; i <= maxLen; i++) 3407ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown base[i] = ((limit[i-1] + 1) << 1) - base[i]; 3408ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3409ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3410ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3411ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 3412ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end huffman.c ---*/ 3413ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 3414ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3415ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 3416ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Compression machinery (not incl block sorting) ---*/ 3417ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- compress.c ---*/ 3418ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 3419ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3420ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 3421ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is a part of bzip2 and/or libbzip2, a program and 3422ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown library for lossless, block-sorting data compression. 3423ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3424ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (C) 1996-2004 Julian R Seward. All rights reserved. 3425ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3426ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Redistribution and use in source and binary forms, with or without 3427ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modification, are permitted provided that the following conditions 3428ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are met: 3429ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3430ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1. Redistributions of source code must retain the above copyright 3431ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown notice, this list of conditions and the following disclaimer. 3432ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3433ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2. The origin of this software must not be misrepresented; you must 3434ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not claim that you wrote the original software. If you use this 3435ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown software in a product, an acknowledgment in the product 3436ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown documentation would be appreciated but is not required. 3437ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3438ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3. Altered source versions must be plainly marked as such, and must 3439ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not be misrepresented as being the original software. 3440ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3441ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4. The name of the author may not be used to endorse or promote 3442ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown products derived from this software without specific prior written 3443ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown permission. 3444ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3445ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 3446ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 3447ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 3448ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 3449ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 3450ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 3451ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3452ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 3453ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 3454ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3455ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3456ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3457ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Julian Seward, Cambridge, UK. 3458ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@bzip.org 3459ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzip2/libbzip2 version 1.0 of 21 March 2000 3460ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3461ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is based on (at least) the work of: 3462ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Mike Burrows 3463ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown David Wheeler 3464ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Peter Fenwick 3465ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Alistair Moffat 3466ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Radford Neal 3467ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ian H. Witten 3468ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Robert Sedgewick 3469ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Jon L. Bentley 3470ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3471ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown For more information on these sources, see the manual. 3472ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 3473ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3474ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 3475ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown CHANGES 3476ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ~~~~~~~ 3477ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0.9.0 -- original version. 3478ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3479ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0.9.0a/b -- no changes in this file. 3480ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3481ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0.9.0c 3482ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * changed setting of nGroups in sendMTFValues() so as to 3483ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown do a bit better on small files 3484ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 3485ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3486ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3487ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3488ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3489ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Bit stream I/O ---*/ 3490ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3491ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3492ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3493ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ2_bsInitWrite ( EState* s ) 3494ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3495ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsLive = 0; 3496ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsBuff = 0; 3497ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3498ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3499ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3500ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3501ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 3502ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid bsFinishWrite ( EState* s ) 3503ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3504ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (s->bsLive > 0) { 3505ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->zbits[s->numZ] = (UChar)(s->bsBuff >> 24); 3506ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->numZ++; 3507ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsBuff <<= 8; 3508ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsLive -= 8; 3509ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3510ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3511ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3512ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3513ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3514ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define bsNEEDW(nz) \ 3515ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 3516ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (s->bsLive >= 8) { \ 3517ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->zbits[s->numZ] \ 3518ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown = (UChar)(s->bsBuff >> 24); \ 3519ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->numZ++; \ 3520ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsBuff <<= 8; \ 3521ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsLive -= 8; \ 3522ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 3523ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3524ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3525ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3526ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3527ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 3528ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid bsW ( EState* s, Int32 n, UInt32 v ) 3529ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3530ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsNEEDW ( n ); 3531ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsBuff |= (v << (32 - s->bsLive - n)); 3532ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsLive += n; 3533ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3534ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3535ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3536ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3537ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 3538ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid bsPutUInt32 ( EState* s, UInt32 u ) 3539ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3540ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 8, (u >> 24) & 0xffL ); 3541ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 8, (u >> 16) & 0xffL ); 3542ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 8, (u >> 8) & 0xffL ); 3543ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 8, u & 0xffL ); 3544ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3545ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3546ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3547ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3548ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 3549ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid bsPutUChar ( EState* s, UChar c ) 3550ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3551ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW( s, 8, (UInt32)c ); 3552ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3553ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3554ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3555ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3556ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- The back end proper ---*/ 3557ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3558ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3559ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3560ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 3561ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid makeMaps_e ( EState* s ) 3562ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3563ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i; 3564ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nInUse = 0; 3565ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 256; i++) 3566ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->inUse[i]) { 3567ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->unseqToSeq[i] = s->nInUse; 3568ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nInUse++; 3569ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3570ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3571ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3572ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3573ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3574ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 3575ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid generateMTFValues ( EState* s ) 3576ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3577ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar yy[256]; 3578ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i, j; 3579ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 zPend; 3580ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 wr; 3581ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 EOB; 3582ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3583ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* 3584ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown After sorting (eg, here), 3585ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->arr1 [ 0 .. s->nblock-1 ] holds sorted order, 3586ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown and 3587ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UChar*)s->arr2) [ 0 .. s->nblock-1 ] 3588ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown holds the original block data. 3589ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3590ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown The first thing to do is generate the MTF values, 3591ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown and put them in 3592ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ((UInt16*)s->arr1) [ 0 .. s->nblock-1 ]. 3593ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Because there are strictly fewer or equal MTF values 3594ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown than block values, ptr values in this area are overwritten 3595ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown with MTF values only when they are no longer needed. 3596ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3597ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown The final compressed bitstream is generated into the 3598ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown area starting at 3599ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (UChar*) (&((UChar*)s->arr2)[s->nblock]) 3600ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3601ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown These storage aliases are set up in bzCompressInit(), 3602ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown except for the last one, which is arranged in 3603ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown compressBlock(). 3604ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown */ 3605ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* ptr = s->ptr; 3606ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* block = s->block; 3607ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16* mtfv = s->mtfv; 3608ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3609ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown makeMaps_e ( s ); 3610ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown EOB = s->nInUse+1; 3611ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3612ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i <= EOB; i++) s->mtfFreq[i] = 0; 3613ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3614ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown wr = 0; 3615ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zPend = 0; 3616ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < s->nInUse; i++) yy[i] = (UChar) i; 3617ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3618ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < s->nblock; i++) { 3619ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar ll_i; 3620ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertD ( wr <= i, "generateMTFValues(1)" ); 3621ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = ptr[i]-1; if (j < 0) j += s->nblock; 3622ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ll_i = s->unseqToSeq[block[j]]; 3623ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertD ( ll_i < s->nInUse, "generateMTFValues(2a)" ); 3624ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3625ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (yy[0] == ll_i) { 3626ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zPend++; 3627ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 3628ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3629ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zPend > 0) { 3630ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zPend--; 3631ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 3632ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zPend & 1) { 3633ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mtfv[wr] = BZ_RUNB; wr++; 3634ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfFreq[BZ_RUNB]++; 3635ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 3636ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mtfv[wr] = BZ_RUNA; wr++; 3637ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfFreq[BZ_RUNA]++; 3638ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3639ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zPend < 2) break; 3640ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zPend = (zPend - 2) / 2; 3641ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 3642ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zPend = 0; 3643ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3644ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 3645ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown register UChar rtmp; 3646ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown register UChar* ryy_j; 3647ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown register UChar rll_i; 3648ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown rtmp = yy[1]; 3649ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown yy[1] = yy[0]; 3650ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ryy_j = &(yy[1]); 3651ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown rll_i = ll_i; 3652ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( rll_i != rtmp ) { 3653ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown register UChar rtmp2; 3654ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ryy_j++; 3655ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown rtmp2 = rtmp; 3656ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown rtmp = *ryy_j; 3657ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *ryy_j = rtmp2; 3658ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 3659ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown yy[0] = rtmp; 3660ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = ryy_j - &(yy[0]); 3661ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mtfv[wr] = j+1; wr++; s->mtfFreq[j+1]++; 3662ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3663ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3664ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3665ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3666ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3667ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zPend > 0) { 3668ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zPend--; 3669ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 3670ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zPend & 1) { 3671ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mtfv[wr] = BZ_RUNB; wr++; 3672ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfFreq[BZ_RUNB]++; 3673ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 3674ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mtfv[wr] = BZ_RUNA; wr++; 3675ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfFreq[BZ_RUNA]++; 3676ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3677ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zPend < 2) break; 3678ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zPend = (zPend - 2) / 2; 3679ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 3680ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zPend = 0; 3681ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3682ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3683ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mtfv[wr] = EOB; wr++; s->mtfFreq[EOB]++; 3684ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3685ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nMTF = wr; 3686ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 3687ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3688ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3689ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 3690ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_LESSER_ICOST 0 3691ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_GREATER_ICOST 15 3692ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3693ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 3694ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid sendMTFValues ( EState* s ) 3695ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 3696ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 v, t, i, j, gs, ge, totc, bt, bc, iter; 3697ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nSelectors, alphaSize, minLen, maxLen, selCtr; 3698ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nGroups, nBytes; 3699ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3700ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 3701ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar len [BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 3702ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown is a global since the decoder also needs it. 3703ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3704ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 code[BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 3705ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 rfreq[BZ_N_GROUPS][BZ_MAX_ALPHA_SIZE]; 3706ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are also globals only used in this proc. 3707ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Made global to keep stack frame size small. 3708ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 3709ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3710ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3711ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16 cost[BZ_N_GROUPS]; 3712ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 fave[BZ_N_GROUPS]; 3713ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3714ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16* mtfv = s->mtfv; 3715ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3716ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 3) 3717ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf3( " %d in block, %d after MTF & 1-2 coding, " 3718ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown "%d+2 syms in use\n", 3719ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nblock, s->nMTF, s->nInUse ); 3720ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3721ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown alphaSize = s->nInUse+2; 3722ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < BZ_N_GROUPS; t++) 3723ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (v = 0; v < alphaSize; v++) 3724ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->len[t][v] = BZ_GREATER_ICOST; 3725ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3726ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Decide how many coding tables to use ---*/ 3727ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( s->nMTF > 0, 3001 ); 3728ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nMTF < 200) nGroups = 2; else 3729ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nMTF < 600) nGroups = 3; else 3730ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nMTF < 1200) nGroups = 4; else 3731ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nMTF < 2400) nGroups = 5; else 3732ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nGroups = 6; 3733ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3734ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Generate an initial set of coding tables ---*/ 3735ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 3736ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 nPart, remF, tFreq, aFreq; 3737ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3738ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nPart = nGroups; 3739ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown remF = s->nMTF; 3740ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gs = 0; 3741ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (nPart > 0) { 3742ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tFreq = remF / nPart; 3743ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ge = gs-1; 3744ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown aFreq = 0; 3745ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (aFreq < tFreq && ge < alphaSize-1) { 3746ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ge++; 3747ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown aFreq += s->mtfFreq[ge]; 3748ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3749ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3750ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ge > gs 3751ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown && nPart != nGroups && nPart != 1 3752ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown && ((nGroups-nPart) % 2 == 1)) { 3753ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown aFreq -= s->mtfFreq[ge]; 3754ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ge--; 3755ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3756ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3757ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (0 && s->verbosity >= 3) 3758ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf5( " initial group %d, [%d .. %d], " 3759ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown "has %d syms (%4.1f%%)\n", 3760ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nPart, gs, ge, aFreq, 3761ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (100.0 * (float)aFreq) / (float)(s->nMTF) ); 3762ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3763ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (v = 0; v < alphaSize; v++) 3764ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (v >= gs && v <= ge) 3765ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->len[nPart-1][v] = BZ_LESSER_ICOST; else 3766ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->len[nPart-1][v] = BZ_GREATER_ICOST; 3767ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3768ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nPart--; 3769ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gs = ge+1; 3770ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown remF -= aFreq; 3771ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3772ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3773ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3774ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- 3775ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Iterate up to BZ_N_ITERS times to improve the tables. 3776ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ---*/ 3777ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (iter = 0; iter < BZ_N_ITERS; iter++) { 3778ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3779ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) fave[t] = 0; 3780ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3781ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) 3782ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (v = 0; v < alphaSize; v++) 3783ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->rfreq[t][v] = 0; 3784ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3785ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- 3786ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Set up an auxiliary length table which is used to fast-track 3787ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown the common case (nGroups == 6). 3788ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ---*/ 3789ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nGroups == 6) { 3790ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (v = 0; v < alphaSize; v++) { 3791ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->len_pack[v][0] = (s->len[1][v] << 16) | s->len[0][v]; 3792ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->len_pack[v][1] = (s->len[3][v] << 16) | s->len[2][v]; 3793ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->len_pack[v][2] = (s->len[5][v] << 16) | s->len[4][v]; 3794ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3795ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3796ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3797ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nSelectors = 0; 3798ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown totc = 0; 3799ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gs = 0; 3800ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 3801ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3802ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Set group start & end marks. --*/ 3803ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (gs >= s->nMTF) break; 3804ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ge = gs + BZ_G_SIZE - 1; 3805ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ge >= s->nMTF) ge = s->nMTF-1; 3806ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3807ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 3808ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Calculate the cost of this group as coded 3809ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown by each of the coding tables. 3810ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 3811ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) cost[t] = 0; 3812ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3813ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nGroups == 6 && 50 == ge-gs+1) { 3814ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- fast track the common case ---*/ 3815ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown register UInt32 cost01, cost23, cost45; 3816ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown register UInt16 icv; 3817ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cost01 = cost23 = cost45 = 0; 3818ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3819ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define BZ_ITER(nn) \ 3820ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown icv = mtfv[gs+(nn)]; \ 3821ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cost01 += s->len_pack[icv][0]; \ 3822ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cost23 += s->len_pack[icv][1]; \ 3823ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cost45 += s->len_pack[icv][2]; \ 3824ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3825ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(0); BZ_ITER(1); BZ_ITER(2); BZ_ITER(3); BZ_ITER(4); 3826ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(5); BZ_ITER(6); BZ_ITER(7); BZ_ITER(8); BZ_ITER(9); 3827ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(10); BZ_ITER(11); BZ_ITER(12); BZ_ITER(13); BZ_ITER(14); 3828ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(15); BZ_ITER(16); BZ_ITER(17); BZ_ITER(18); BZ_ITER(19); 3829ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(20); BZ_ITER(21); BZ_ITER(22); BZ_ITER(23); BZ_ITER(24); 3830ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(25); BZ_ITER(26); BZ_ITER(27); BZ_ITER(28); BZ_ITER(29); 3831ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(30); BZ_ITER(31); BZ_ITER(32); BZ_ITER(33); BZ_ITER(34); 3832ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(35); BZ_ITER(36); BZ_ITER(37); BZ_ITER(38); BZ_ITER(39); 3833ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(40); BZ_ITER(41); BZ_ITER(42); BZ_ITER(43); BZ_ITER(44); 3834ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITER(45); BZ_ITER(46); BZ_ITER(47); BZ_ITER(48); BZ_ITER(49); 3835ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3836ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# undef BZ_ITER 3837ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3838ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cost[0] = cost01 & 0xffff; cost[1] = cost01 >> 16; 3839ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cost[2] = cost23 & 0xffff; cost[3] = cost23 >> 16; 3840ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cost[4] = cost45 & 0xffff; cost[5] = cost45 >> 16; 3841ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3842ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 3843ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- slow version which correctly handles all situations ---*/ 3844ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = gs; i <= ge; i++) { 3845ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16 icv = mtfv[i]; 3846ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) cost[t] += s->len[t][icv]; 3847ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3848ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3849ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3850ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 3851ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Find the coding table which is best for this group, 3852ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown and record its identity in the selector table. 3853ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 3854ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bc = 999999999; bt = -1; 3855ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) 3856ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (cost[t] < bc) { bc = cost[t]; bt = t; }; 3857ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown totc += bc; 3858ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fave[bt]++; 3859ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->selector[nSelectors] = bt; 3860ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nSelectors++; 3861ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3862ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 3863ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Increment the symbol frequencies for the selected table. 3864ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 3865ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nGroups == 6 && 50 == ge-gs+1) { 3866ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- fast track the common case ---*/ 3867ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3868ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define BZ_ITUR(nn) s->rfreq[bt][ mtfv[gs+(nn)] ]++ 3869ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3870ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(0); BZ_ITUR(1); BZ_ITUR(2); BZ_ITUR(3); BZ_ITUR(4); 3871ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(5); BZ_ITUR(6); BZ_ITUR(7); BZ_ITUR(8); BZ_ITUR(9); 3872ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(10); BZ_ITUR(11); BZ_ITUR(12); BZ_ITUR(13); BZ_ITUR(14); 3873ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(15); BZ_ITUR(16); BZ_ITUR(17); BZ_ITUR(18); BZ_ITUR(19); 3874ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(20); BZ_ITUR(21); BZ_ITUR(22); BZ_ITUR(23); BZ_ITUR(24); 3875ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(25); BZ_ITUR(26); BZ_ITUR(27); BZ_ITUR(28); BZ_ITUR(29); 3876ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(30); BZ_ITUR(31); BZ_ITUR(32); BZ_ITUR(33); BZ_ITUR(34); 3877ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(35); BZ_ITUR(36); BZ_ITUR(37); BZ_ITUR(38); BZ_ITUR(39); 3878ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(40); BZ_ITUR(41); BZ_ITUR(42); BZ_ITUR(43); BZ_ITUR(44); 3879ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITUR(45); BZ_ITUR(46); BZ_ITUR(47); BZ_ITUR(48); BZ_ITUR(49); 3880ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3881ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# undef BZ_ITUR 3882ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3883ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 3884ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- slow version which correctly handles all situations ---*/ 3885ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = gs; i <= ge; i++) 3886ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->rfreq[bt][ mtfv[i] ]++; 3887ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3888ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3889ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gs = ge+1; 3890ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3891ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 3) { 3892ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf2 ( " pass %d: size is %d, grp uses are ", 3893ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown iter+1, totc/8 ); 3894ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) 3895ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf1 ( "%d ", fave[t] ); 3896ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf0 ( "\n" ); 3897ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3898ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3899ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 3900ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Recompute the tables based on the accumulated frequencies. 3901ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 3902ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* maxLen was changed from 20 to 17 in bzip2-1.0.3. See 3903ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown comment in huffman.c for details. */ 3904ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) 3905ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_hbMakeCodeLengths ( &(s->len[t][0]), &(s->rfreq[t][0]), 3906ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown alphaSize, 17 /*20*/ ); 3907ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3908ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3909ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3910ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH( nGroups < 8, 3002 ); 3911ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH( nSelectors < 32768 && 3912ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nSelectors <= (2 + (900000 / BZ_G_SIZE)), 3913ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3003 ); 3914ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3915ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3916ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Compute MTF values for the selectors. ---*/ 3917ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 3918ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar pos[BZ_N_GROUPS], ll_i, tmp2, tmp; 3919ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nGroups; i++) pos[i] = i; 3920ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nSelectors; i++) { 3921ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ll_i = s->selector[i]; 3922ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j = 0; 3923ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tmp = pos[j]; 3924ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while ( ll_i != tmp ) { 3925ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown j++; 3926ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tmp2 = tmp; 3927ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown tmp = pos[j]; 3928ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pos[j] = tmp2; 3929ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 3930ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown pos[0] = tmp; 3931ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->selectorMtf[i] = j; 3932ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3933ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 3934ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3935ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Assign actual codes for the tables. --*/ 3936ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) { 3937ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown minLen = 32; 3938ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown maxLen = 0; 3939ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < alphaSize; i++) { 3940ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->len[t][i] > maxLen) maxLen = s->len[t][i]; 3941ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->len[t][i] < minLen) minLen = s->len[t][i]; 3942ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3943ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( !(maxLen > 17 /*20*/ ), 3004 ); 3944ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( !(minLen < 1), 3005 ); 3945ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_hbAssignCodes ( &(s->code[t][0]), &(s->len[t][0]), 3946ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown minLen, maxLen, alphaSize ); 3947ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3948ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3949ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Transmit the mapping table. ---*/ 3950ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 3951ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool inUse16[16]; 3952ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 16; i++) { 3953ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown inUse16[i] = False; 3954ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = 0; j < 16; j++) 3955ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->inUse[i * 16 + j]) inUse16[i] = True; 3956ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3957ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3958ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nBytes = s->numZ; 3959ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 16; i++) 3960ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (inUse16[i]) bsW(s,1,1); else bsW(s,1,0); 3961ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3962ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 16; i++) 3963ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (inUse16[i]) 3964ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = 0; j < 16; j++) { 3965ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->inUse[i * 16 + j]) bsW(s,1,1); else bsW(s,1,0); 3966ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3967ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3968ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 3) 3969ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf1( " bytes: mapping %d, ", s->numZ-nBytes ); 3970ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3971ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3972ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Now the selectors. ---*/ 3973ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nBytes = s->numZ; 3974ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 3, nGroups ); 3975ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 15, nSelectors ); 3976ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nSelectors; i++) { 3977ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (j = 0; j < s->selectorMtf[i]; j++) bsW(s,1,1); 3978ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW(s,1,0); 3979ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3980ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 3) 3981ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf1( "selectors %d, ", s->numZ-nBytes ); 3982ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3983ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- Now the coding tables. ---*/ 3984ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nBytes = s->numZ; 3985ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3986ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (t = 0; t < nGroups; t++) { 3987ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 curr = s->len[t][0]; 3988ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 5, curr ); 3989ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < alphaSize; i++) { 3990ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (curr < s->len[t][i]) { bsW(s,2,2); curr++; /* 10 */ }; 3991ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (curr > s->len[t][i]) { bsW(s,2,3); curr--; /* 11 */ }; 3992ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 1, 0 ); 3993ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3994ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 3995ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3996ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 3) 3997ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf1 ( "code lengths %d, ", s->numZ-nBytes ); 3998ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3999ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- And finally, the block data proper ---*/ 4000ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nBytes = s->numZ; 4001ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown selCtr = 0; 4002ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gs = 0; 4003ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 4004ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (gs >= s->nMTF) break; 4005ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ge = gs + BZ_G_SIZE - 1; 4006ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ge >= s->nMTF) ge = s->nMTF-1; 4007ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( s->selector[selCtr] < nGroups, 3006 ); 4008ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4009ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nGroups == 6 && 50 == ge-gs+1) { 4010ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- fast track the common case ---*/ 4011ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt16 mtfv_i; 4012ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar* s_len_sel_selCtr 4013ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown = &(s->len[s->selector[selCtr]][0]); 4014ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32* s_code_sel_selCtr 4015ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown = &(s->code[s->selector[selCtr]][0]); 4016ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4017ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define BZ_ITAH(nn) \ 4018ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mtfv_i = mtfv[gs+(nn)]; \ 4019ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, \ 4020ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s_len_sel_selCtr[mtfv_i], \ 4021ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s_code_sel_selCtr[mtfv_i] ) 4022ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4023ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(0); BZ_ITAH(1); BZ_ITAH(2); BZ_ITAH(3); BZ_ITAH(4); 4024ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(5); BZ_ITAH(6); BZ_ITAH(7); BZ_ITAH(8); BZ_ITAH(9); 4025ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(10); BZ_ITAH(11); BZ_ITAH(12); BZ_ITAH(13); BZ_ITAH(14); 4026ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(15); BZ_ITAH(16); BZ_ITAH(17); BZ_ITAH(18); BZ_ITAH(19); 4027ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(20); BZ_ITAH(21); BZ_ITAH(22); BZ_ITAH(23); BZ_ITAH(24); 4028ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(25); BZ_ITAH(26); BZ_ITAH(27); BZ_ITAH(28); BZ_ITAH(29); 4029ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(30); BZ_ITAH(31); BZ_ITAH(32); BZ_ITAH(33); BZ_ITAH(34); 4030ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(35); BZ_ITAH(36); BZ_ITAH(37); BZ_ITAH(38); BZ_ITAH(39); 4031ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(40); BZ_ITAH(41); BZ_ITAH(42); BZ_ITAH(43); BZ_ITAH(44); 4032ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_ITAH(45); BZ_ITAH(46); BZ_ITAH(47); BZ_ITAH(48); BZ_ITAH(49); 4033ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4034ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# undef BZ_ITAH 4035ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4036ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 4037ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*--- slow version which correctly handles all situations ---*/ 4038ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = gs; i <= ge; i++) { 4039ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 4040ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->len [s->selector[selCtr]] [mtfv[i]], 4041ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->code [s->selector[selCtr]] [mtfv[i]] ); 4042ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4043ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4044ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4045ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4046ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown gs = ge+1; 4047ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown selCtr++; 4048ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4049ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH( selCtr == nSelectors, 3007 ); 4050ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4051ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 3) 4052ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf1( "codes %d\n", s->numZ-nBytes ); 4053ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4054ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4055ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4056ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4057ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown__attribute__((noinline)) 4058ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ2_compressBlock ( EState* s, Bool is_last_block ) 4059ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4060ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock > 0) { 4061ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4062ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_FINALISE_CRC ( s->blockCRC ); 4063ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->combinedCRC = (s->combinedCRC << 1) | (s->combinedCRC >> 31); 4064ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->combinedCRC ^= s->blockCRC; 4065ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->blockNo > 1) s->numZ = 0; 4066ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4067ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 2) 4068ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf4( " block %d: crc = 0x%08x, " 4069ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown "combined CRC = 0x%08x, size = %d\n", 4070ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->blockNo, s->blockCRC, s->combinedCRC, s->nblock ); 4071ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4072ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_blockSort ( s ); 4073ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4074ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4075ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->zbits = (UChar*) (&((UChar*)s->arr2)[s->nblock]); 4076ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4077ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- If this is the first block, create the stream header. --*/ 4078ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->blockNo == 1) { 4079ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bsInitWrite ( s ); 4080ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, BZ_HDR_B ); 4081ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, BZ_HDR_Z ); 4082ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, BZ_HDR_h ); 4083ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, (UChar)(BZ_HDR_0 + s->blockSize100k) ); 4084ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4085ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4086ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock > 0) { 4087ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4088ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, 0x31 ); bsPutUChar ( s, 0x41 ); 4089ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, 0x59 ); bsPutUChar ( s, 0x26 ); 4090ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, 0x53 ); bsPutUChar ( s, 0x59 ); 4091ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4092ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- Now the block's CRC, so it is in a known place. --*/ 4093ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUInt32 ( s, s->blockCRC ); 4094ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4095ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- 4096ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Now a single bit indicating (non-)randomisation. 4097ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown As of version 0.9.5, we use a better sorting algorithm 4098ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown which makes randomisation unnecessary. So always set 4099ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown the randomised bit to 'no'. Of course, the decoder 4100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown still needs to be able to handle randomised blocks 4101ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown so as to maintain backwards compatibility with 4102ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown older versions of bzip2. 4103ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown --*/ 4104ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW(s,1,0); 4105ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4106ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsW ( s, 24, s->origPtr ); 4107ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown generateMTFValues ( s ); 4108ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown sendMTFValues ( s ); 4109ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4110ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4111ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4112ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- If this is the last block, add the stream trailer. --*/ 4113ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (is_last_block) { 4114ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4115ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, 0x17 ); bsPutUChar ( s, 0x72 ); 4116ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, 0x45 ); bsPutUChar ( s, 0x38 ); 4117ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUChar ( s, 0x50 ); bsPutUChar ( s, 0x90 ); 4118ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsPutUInt32 ( s, s->combinedCRC ); 4119ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 2) 4120ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf1( " final combined CRC = 0x%08x\n ", s->combinedCRC ); 4121ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bsFinishWrite ( s ); 4122ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4123ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4124ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4125ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4126ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4127ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end compress.c ---*/ 4128ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4129ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4130ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4131ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4132ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Table for randomising repetitive blocks ---*/ 4133ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- randtable.c ---*/ 4134ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4135ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4136ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 4137ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is a part of bzip2 and/or libbzip2, a program and 4138ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown library for lossless, block-sorting data compression. 4139ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4140ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (C) 1996-2004 Julian R Seward. All rights reserved. 4141ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4142ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Redistribution and use in source and binary forms, with or without 4143ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modification, are permitted provided that the following conditions 4144ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are met: 4145ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4146ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1. Redistributions of source code must retain the above copyright 4147ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown notice, this list of conditions and the following disclaimer. 4148ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4149ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2. The origin of this software must not be misrepresented; you must 4150ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not claim that you wrote the original software. If you use this 4151ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown software in a product, an acknowledgment in the product 4152ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown documentation would be appreciated but is not required. 4153ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4154ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3. Altered source versions must be plainly marked as such, and must 4155ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not be misrepresented as being the original software. 4156ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4157ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4. The name of the author may not be used to endorse or promote 4158ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown products derived from this software without specific prior written 4159ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown permission. 4160ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4161ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 4162ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 4163ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4164ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 4165ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4166ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 4167ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 4168ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 4169ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 4170ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 4171ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 4172ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4173ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Julian Seward, Cambridge, UK. 4174ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@bzip.org 4175ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzip2/libbzip2 version 1.0 of 21 March 2000 4176ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4177ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is based on (at least) the work of: 4178ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Mike Burrows 4179ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown David Wheeler 4180ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Peter Fenwick 4181ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Alistair Moffat 4182ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Radford Neal 4183ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ian H. Witten 4184ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Robert Sedgewick 4185ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Jon L. Bentley 4186ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4187ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown For more information on these sources, see the manual. 4188ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 4189ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4190ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4191ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4192ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4193ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 4194ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownInt32 BZ2_rNums[512] = { 4195ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 619, 720, 127, 481, 931, 816, 813, 233, 566, 247, 4196ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 985, 724, 205, 454, 863, 491, 741, 242, 949, 214, 4197ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 733, 859, 335, 708, 621, 574, 73, 654, 730, 472, 4198ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 419, 436, 278, 496, 867, 210, 399, 680, 480, 51, 4199ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 878, 465, 811, 169, 869, 675, 611, 697, 867, 561, 4200ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 862, 687, 507, 283, 482, 129, 807, 591, 733, 623, 4201ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 150, 238, 59, 379, 684, 877, 625, 169, 643, 105, 4202ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 170, 607, 520, 932, 727, 476, 693, 425, 174, 647, 4203ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 73, 122, 335, 530, 442, 853, 695, 249, 445, 515, 4204ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 909, 545, 703, 919, 874, 474, 882, 500, 594, 612, 4205ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 641, 801, 220, 162, 819, 984, 589, 513, 495, 799, 4206ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 161, 604, 958, 533, 221, 400, 386, 867, 600, 782, 4207ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 382, 596, 414, 171, 516, 375, 682, 485, 911, 276, 4208ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 98, 553, 163, 354, 666, 933, 424, 341, 533, 870, 4209ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 227, 730, 475, 186, 263, 647, 537, 686, 600, 224, 4210ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 469, 68, 770, 919, 190, 373, 294, 822, 808, 206, 4211ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 184, 943, 795, 384, 383, 461, 404, 758, 839, 887, 4212ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 715, 67, 618, 276, 204, 918, 873, 777, 604, 560, 4213ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 951, 160, 578, 722, 79, 804, 96, 409, 713, 940, 4214ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 652, 934, 970, 447, 318, 353, 859, 672, 112, 785, 4215ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 645, 863, 803, 350, 139, 93, 354, 99, 820, 908, 4216ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 609, 772, 154, 274, 580, 184, 79, 626, 630, 742, 4217ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 653, 282, 762, 623, 680, 81, 927, 626, 789, 125, 4218ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 411, 521, 938, 300, 821, 78, 343, 175, 128, 250, 4219ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 170, 774, 972, 275, 999, 639, 495, 78, 352, 126, 4220ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 857, 956, 358, 619, 580, 124, 737, 594, 701, 612, 4221ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 669, 112, 134, 694, 363, 992, 809, 743, 168, 974, 4222ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 944, 375, 748, 52, 600, 747, 642, 182, 862, 81, 4223ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 344, 805, 988, 739, 511, 655, 814, 334, 249, 515, 4224ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 897, 955, 664, 981, 649, 113, 974, 459, 893, 228, 4225ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 433, 837, 553, 268, 926, 240, 102, 654, 459, 51, 4226ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 686, 754, 806, 760, 493, 403, 415, 394, 687, 700, 4227ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 946, 670, 656, 610, 738, 392, 760, 799, 887, 653, 4228ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 978, 321, 576, 617, 626, 502, 894, 679, 243, 440, 4229ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 680, 879, 194, 572, 640, 724, 926, 56, 204, 700, 4230ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 707, 151, 457, 449, 797, 195, 791, 558, 945, 679, 4231ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 297, 59, 87, 824, 713, 663, 412, 693, 342, 606, 4232ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 134, 108, 571, 364, 631, 212, 174, 643, 304, 329, 4233ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 343, 97, 430, 751, 497, 314, 983, 374, 822, 928, 4234ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 140, 206, 73, 263, 980, 736, 876, 478, 430, 305, 4235ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 170, 514, 364, 692, 829, 82, 855, 953, 676, 246, 4236ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 369, 970, 294, 750, 807, 827, 150, 790, 288, 923, 4237ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 804, 378, 215, 828, 592, 281, 565, 555, 710, 82, 4238ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 896, 831, 547, 261, 524, 462, 293, 465, 502, 56, 4239ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 661, 821, 976, 991, 658, 869, 905, 758, 745, 193, 4240ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 768, 550, 608, 933, 378, 286, 215, 979, 792, 961, 4241ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 61, 688, 793, 644, 986, 403, 106, 366, 905, 644, 4242ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 372, 567, 466, 434, 645, 210, 389, 550, 919, 135, 4243ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 780, 773, 635, 389, 707, 100, 626, 958, 165, 504, 4244ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 920, 176, 193, 713, 857, 265, 203, 50, 668, 108, 4245ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 645, 990, 626, 197, 510, 357, 358, 850, 858, 364, 4246ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 936, 638 4247ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown}; 4248ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4249ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4250ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4251ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end randtable.c ---*/ 4252ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4253ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4254ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4255ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Table for doing CRCs ---*/ 4256ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- crctable.c ---*/ 4257ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4258ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4259ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 4260ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is a part of bzip2 and/or libbzip2, a program and 4261ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown library for lossless, block-sorting data compression. 4262ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4263ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (C) 1996-2004 Julian R Seward. All rights reserved. 4264ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4265ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Redistribution and use in source and binary forms, with or without 4266ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modification, are permitted provided that the following conditions 4267ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are met: 4268ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4269ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1. Redistributions of source code must retain the above copyright 4270ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown notice, this list of conditions and the following disclaimer. 4271ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4272ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2. The origin of this software must not be misrepresented; you must 4273ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not claim that you wrote the original software. If you use this 4274ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown software in a product, an acknowledgment in the product 4275ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown documentation would be appreciated but is not required. 4276ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4277ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3. Altered source versions must be plainly marked as such, and must 4278ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not be misrepresented as being the original software. 4279ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4280ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4. The name of the author may not be used to endorse or promote 4281ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown products derived from this software without specific prior written 4282ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown permission. 4283ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4284ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 4285ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 4286ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4287ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 4288ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4289ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 4290ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 4291ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 4292ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 4293ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 4294ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 4295ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4296ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Julian Seward, Cambridge, UK. 4297ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@bzip.org 4298ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzip2/libbzip2 version 1.0 of 21 March 2000 4299ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4300ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is based on (at least) the work of: 4301ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Mike Burrows 4302ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown David Wheeler 4303ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Peter Fenwick 4304ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Alistair Moffat 4305ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Radford Neal 4306ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ian H. Witten 4307ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Robert Sedgewick 4308ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Jon L. Bentley 4309ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4310ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown For more information on these sources, see the manual. 4311ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 4312ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4313ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4314ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4315ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4316ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4317ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 4318ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown I think this is an implementation of the AUTODIN-II, 4319ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ethernet & FDDI 32-bit CRC standard. Vaguely derived 4320ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown from code by Rob Warnock, in Section 51 of the 4321ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown comp.compression FAQ. 4322ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 4323ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4324ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownUInt32 BZ2_crc32Table[256] = { 4325ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4326ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- Ugly, innit? --*/ 4327ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4328ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x00000000L, 0x04c11db7L, 0x09823b6eL, 0x0d4326d9L, 4329ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x130476dcL, 0x17c56b6bL, 0x1a864db2L, 0x1e475005L, 4330ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x2608edb8L, 0x22c9f00fL, 0x2f8ad6d6L, 0x2b4bcb61L, 4331ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x350c9b64L, 0x31cd86d3L, 0x3c8ea00aL, 0x384fbdbdL, 4332ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x4c11db70L, 0x48d0c6c7L, 0x4593e01eL, 0x4152fda9L, 4333ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x5f15adacL, 0x5bd4b01bL, 0x569796c2L, 0x52568b75L, 4334ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x6a1936c8L, 0x6ed82b7fL, 0x639b0da6L, 0x675a1011L, 4335ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x791d4014L, 0x7ddc5da3L, 0x709f7b7aL, 0x745e66cdL, 4336ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x9823b6e0L, 0x9ce2ab57L, 0x91a18d8eL, 0x95609039L, 4337ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x8b27c03cL, 0x8fe6dd8bL, 0x82a5fb52L, 0x8664e6e5L, 4338ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xbe2b5b58L, 0xbaea46efL, 0xb7a96036L, 0xb3687d81L, 4339ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xad2f2d84L, 0xa9ee3033L, 0xa4ad16eaL, 0xa06c0b5dL, 4340ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xd4326d90L, 0xd0f37027L, 0xddb056feL, 0xd9714b49L, 4341ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xc7361b4cL, 0xc3f706fbL, 0xceb42022L, 0xca753d95L, 4342ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xf23a8028L, 0xf6fb9d9fL, 0xfbb8bb46L, 0xff79a6f1L, 4343ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xe13ef6f4L, 0xe5ffeb43L, 0xe8bccd9aL, 0xec7dd02dL, 4344ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x34867077L, 0x30476dc0L, 0x3d044b19L, 0x39c556aeL, 4345ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x278206abL, 0x23431b1cL, 0x2e003dc5L, 0x2ac12072L, 4346ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x128e9dcfL, 0x164f8078L, 0x1b0ca6a1L, 0x1fcdbb16L, 4347ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x018aeb13L, 0x054bf6a4L, 0x0808d07dL, 0x0cc9cdcaL, 4348ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x7897ab07L, 0x7c56b6b0L, 0x71159069L, 0x75d48ddeL, 4349ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x6b93dddbL, 0x6f52c06cL, 0x6211e6b5L, 0x66d0fb02L, 4350ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x5e9f46bfL, 0x5a5e5b08L, 0x571d7dd1L, 0x53dc6066L, 4351ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x4d9b3063L, 0x495a2dd4L, 0x44190b0dL, 0x40d816baL, 4352ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xaca5c697L, 0xa864db20L, 0xa527fdf9L, 0xa1e6e04eL, 4353ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xbfa1b04bL, 0xbb60adfcL, 0xb6238b25L, 0xb2e29692L, 4354ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x8aad2b2fL, 0x8e6c3698L, 0x832f1041L, 0x87ee0df6L, 4355ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x99a95df3L, 0x9d684044L, 0x902b669dL, 0x94ea7b2aL, 4356ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xe0b41de7L, 0xe4750050L, 0xe9362689L, 0xedf73b3eL, 4357ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xf3b06b3bL, 0xf771768cL, 0xfa325055L, 0xfef34de2L, 4358ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xc6bcf05fL, 0xc27dede8L, 0xcf3ecb31L, 0xcbffd686L, 4359ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xd5b88683L, 0xd1799b34L, 0xdc3abdedL, 0xd8fba05aL, 4360ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x690ce0eeL, 0x6dcdfd59L, 0x608edb80L, 0x644fc637L, 4361ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x7a089632L, 0x7ec98b85L, 0x738aad5cL, 0x774bb0ebL, 4362ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x4f040d56L, 0x4bc510e1L, 0x46863638L, 0x42472b8fL, 4363ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x5c007b8aL, 0x58c1663dL, 0x558240e4L, 0x51435d53L, 4364ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x251d3b9eL, 0x21dc2629L, 0x2c9f00f0L, 0x285e1d47L, 4365ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x36194d42L, 0x32d850f5L, 0x3f9b762cL, 0x3b5a6b9bL, 4366ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x0315d626L, 0x07d4cb91L, 0x0a97ed48L, 0x0e56f0ffL, 4367ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x1011a0faL, 0x14d0bd4dL, 0x19939b94L, 0x1d528623L, 4368ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xf12f560eL, 0xf5ee4bb9L, 0xf8ad6d60L, 0xfc6c70d7L, 4369ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xe22b20d2L, 0xe6ea3d65L, 0xeba91bbcL, 0xef68060bL, 4370ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xd727bbb6L, 0xd3e6a601L, 0xdea580d8L, 0xda649d6fL, 4371ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xc423cd6aL, 0xc0e2d0ddL, 0xcda1f604L, 0xc960ebb3L, 4372ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xbd3e8d7eL, 0xb9ff90c9L, 0xb4bcb610L, 0xb07daba7L, 4373ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xae3afba2L, 0xaafbe615L, 0xa7b8c0ccL, 0xa379dd7bL, 4374ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x9b3660c6L, 0x9ff77d71L, 0x92b45ba8L, 0x9675461fL, 4375ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x8832161aL, 0x8cf30badL, 0x81b02d74L, 0x857130c3L, 4376ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x5d8a9099L, 0x594b8d2eL, 0x5408abf7L, 0x50c9b640L, 4377ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x4e8ee645L, 0x4a4ffbf2L, 0x470cdd2bL, 0x43cdc09cL, 4378ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x7b827d21L, 0x7f436096L, 0x7200464fL, 0x76c15bf8L, 4379ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x68860bfdL, 0x6c47164aL, 0x61043093L, 0x65c52d24L, 4380ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x119b4be9L, 0x155a565eL, 0x18197087L, 0x1cd86d30L, 4381ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x029f3d35L, 0x065e2082L, 0x0b1d065bL, 0x0fdc1becL, 4382ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x3793a651L, 0x3352bbe6L, 0x3e119d3fL, 0x3ad08088L, 4383ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x2497d08dL, 0x2056cd3aL, 0x2d15ebe3L, 0x29d4f654L, 4384ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xc5a92679L, 0xc1683bceL, 0xcc2b1d17L, 0xc8ea00a0L, 4385ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xd6ad50a5L, 0xd26c4d12L, 0xdf2f6bcbL, 0xdbee767cL, 4386ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xe3a1cbc1L, 0xe760d676L, 0xea23f0afL, 0xeee2ed18L, 4387ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xf0a5bd1dL, 0xf464a0aaL, 0xf9278673L, 0xfde69bc4L, 4388ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x89b8fd09L, 0x8d79e0beL, 0x803ac667L, 0x84fbdbd0L, 4389ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0x9abc8bd5L, 0x9e7d9662L, 0x933eb0bbL, 0x97ffad0cL, 4390ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xafb010b1L, 0xab710d06L, 0xa6322bdfL, 0xa2f33668L, 4391ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0xbcb4666dL, 0xb8757bdaL, 0xb5365d03L, 0xb1f740b4L 4392ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown}; 4393ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4394ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4395ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4396ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end crctable.c ---*/ 4397ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4398ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4399ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4400ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Library top-level functions. ---*/ 4401ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- bzlib.c ---*/ 4402ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 4403ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4404ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 4405ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This file is a part of bzip2 and/or libbzip2, a program and 4406ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown library for lossless, block-sorting data compression. 4407ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4408ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Copyright (C) 1996-2004 Julian R Seward. All rights reserved. 4409ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4410ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Redistribution and use in source and binary forms, with or without 4411ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown modification, are permitted provided that the following conditions 4412ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown are met: 4413ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4414ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 1. Redistributions of source code must retain the above copyright 4415ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown notice, this list of conditions and the following disclaimer. 4416ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4417ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 2. The origin of this software must not be misrepresented; you must 4418ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not claim that you wrote the original software. If you use this 4419ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown software in a product, an acknowledgment in the product 4420ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown documentation would be appreciated but is not required. 4421ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4422ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 3. Altered source versions must be plainly marked as such, and must 4423ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown not be misrepresented as being the original software. 4424ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4425ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4. The name of the author may not be used to endorse or promote 4426ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown products derived from this software without specific prior written 4427ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown permission. 4428ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4429ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 4430ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 4431ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4432ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 4433ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4434ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 4435ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 4436ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 4437ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 4438ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 4439ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 4440ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4441ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Julian Seward, Cambridge, UK. 4442ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown jseward@bzip.org 4443ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzip2/libbzip2 version 1.0 of 21 March 2000 4444ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4445ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This program is based on (at least) the work of: 4446ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Mike Burrows 4447ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown David Wheeler 4448ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Peter Fenwick 4449ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Alistair Moffat 4450ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Radford Neal 4451ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Ian H. Witten 4452ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Robert Sedgewick 4453ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Jon L. Bentley 4454ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4455ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown For more information on these sources, see the manual. 4456ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 4457ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4458ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 4459ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown CHANGES 4460ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ~~~~~~~ 4461ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0.9.0 -- original version. 4462ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4463ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0.9.0a/b -- no changes in this file. 4464ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4465ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 0.9.0c 4466ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * made zero-length BZ_FLUSH work correctly in bzCompress(). 4467ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * fixed bzWrite/bzRead to ignore zero-length requests. 4468ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * fixed bzread to correctly handle read requests after EOF. 4469ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown * wrong parameter order in call to bzDecompressInit in 4470ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzBuffToBuffDecompress. Fixed. 4471ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 4472ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4473ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4474ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4475ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4476ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Compression stuff ---*/ 4477ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4478ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4479ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4480ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4481ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ2_bz__AssertH__fail ( int errcode ) 4482ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4483ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf("BZ2_bz__AssertH__fail(%d) called, exiting\n", errcode); 4484ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*serviceFn)(0,0); 4485ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4486ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4487ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid bz_internal_error ( int errcode ) 4488ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4489ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf("bz_internal_error called, exiting\n", errcode); 4490ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*serviceFn)(0,0); 4491ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4492ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4493ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4494ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4495ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint bz_config_ok ( void ) 4496ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4497ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (sizeof(int) != 4) return 0; 4498ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (sizeof(short) != 2) return 0; 4499ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (sizeof(char) != 1) return 0; 4500ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 1; 4501ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4502ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4503ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4504ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4505ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4506ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid* default_bzalloc ( void* opaque, Int32 items, Int32 size ) 4507ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4508ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void* v = (void*) (*serviceFn)(2, items * size ); 4509ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return v; 4510ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4511ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4512ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4513ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid default_bzfree ( void* opaque, void* addr ) 4514ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4515ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (addr != NULL) (*serviceFn)( 3, (HWord)addr ); 4516ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4517ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4518ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4519ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4520ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4521ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid prepare_new_block ( EState* s ) 4522ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4523ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i; 4524ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nblock = 0; 4525ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->numZ = 0; 4526ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_pos = 0; 4527ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_INITIALISE_CRC ( s->blockCRC ); 4528ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < 256; i++) s->inUse[i] = False; 4529ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->blockNo++; 4530ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4531ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4532ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4533ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4534ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4535ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid init_RL ( EState* s ) 4536ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4537ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_in_ch = 256; 4538ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_in_len = 0; 4539ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4540ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4541ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4542ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4543ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool isempty_RL ( EState* s ) 4544ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4545ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state_in_ch < 256 && s->state_in_len > 0) 4546ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return False; else 4547ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return True; 4548ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4549ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4550ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4551ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4552ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzCompressInit) 4553ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( bz_stream* strm, 4554ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int blockSize100k, 4555ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 4556ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int workFactor ) 4557ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4558ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 n; 4559ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown EState* s; 4560ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4561ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (!bz_config_ok()) return BZ_CONFIG_ERROR; 4562ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4563ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm == NULL || 4564ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown blockSize100k < 1 || blockSize100k > 9 || 4565ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown workFactor < 0 || workFactor > 250) 4566ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_PARAM_ERROR; 4567ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4568ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (workFactor == 0) workFactor = 30; 4569ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm->bzalloc == NULL) strm->bzalloc = default_bzalloc; 4570ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm->bzfree == NULL) strm->bzfree = default_bzfree; 4571ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4572ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = BZALLOC( sizeof(EState) ); 4573ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s == NULL) return BZ_MEM_ERROR; 4574ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm = strm; 4575ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4576ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->arr1 = NULL; 4577ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->arr2 = NULL; 4578ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ftab = NULL; 4579ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4580ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = 100000 * blockSize100k; 4581ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->arr1 = BZALLOC( n * sizeof(UInt32) ); 4582ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->arr2 = BZALLOC( (n+BZ_N_OVERSHOOT) * sizeof(UInt32) ); 4583ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ftab = BZALLOC( 65537 * sizeof(UInt32) ); 4584ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4585ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->arr1 == NULL || s->arr2 == NULL || s->ftab == NULL) { 4586ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->arr1 != NULL) BZFREE(s->arr1); 4587ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->arr2 != NULL) BZFREE(s->arr2); 4588ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->ftab != NULL) BZFREE(s->ftab); 4589ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s != NULL) BZFREE(s); 4590ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_MEM_ERROR; 4591ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4592ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4593ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->blockNo = 0; 4594ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state = BZ_S_INPUT; 4595ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mode = BZ_M_RUNNING; 4596ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->combinedCRC = 0; 4597ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->blockSize100k = blockSize100k; 4598ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nblockMAX = 100000 * blockSize100k - 19; 4599ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->verbosity = verbosity; 4600ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->workFactor = workFactor; 4601ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4602ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block = (UChar*)s->arr2; 4603ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mtfv = (UInt16*)s->arr1; 4604ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->zbits = NULL; 4605ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ptr = (UInt32*)s->arr1; 4606ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4607ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->state = s; 4608ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->total_in_lo32 = 0; 4609ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->total_in_hi32 = 0; 4610ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->total_out_lo32 = 0; 4611ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->total_out_hi32 = 0; 4612ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown init_RL ( s ); 4613ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown prepare_new_block ( s ); 4614ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OK; 4615ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4616ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4617ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4618ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4619ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4620ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid add_pair_to_block ( EState* s ) 4621ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4622ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 i; 4623ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar ch = (UChar)(s->state_in_ch); 4624ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < s->state_in_len; i++) { 4625ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_UPDATE_CRC( s->blockCRC, ch ); 4626ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4627ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->inUse[s->state_in_ch] = True; 4628ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown switch (s->state_in_len) { 4629ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 1: 4630ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4631ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 4632ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 2: 4633ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4634ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4635ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 4636ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 3: 4637ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4638ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4639ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4640ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 4641ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown default: 4642ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->inUse[s->state_in_len-4] = True; 4643ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4644ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4645ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4646ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = (UChar)ch; s->nblock++; 4647ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->block[s->nblock] = ((UChar)(s->state_in_len-4)); 4648ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nblock++; 4649ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 4650ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4651ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4652ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4653ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4654ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4655ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4656ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid flush_RL ( EState* s ) 4657ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4658ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state_in_ch < 256) add_pair_to_block ( s ); 4659ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown init_RL ( s ); 4660ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4661ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4662ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4663ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4664ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define ADD_CHAR_TO_BLOCK(zs,zchh0) \ 4665ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 4666ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 zchh = (UInt32)(zchh0); \ 4667ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- fast track the common case --*/ \ 4668ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zchh != zs->state_in_ch && \ 4669ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zs->state_in_len == 1) { \ 4670ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar ch = (UChar)(zs->state_in_ch); \ 4671ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_UPDATE_CRC( zs->blockCRC, ch ); \ 4672ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zs->inUse[zs->state_in_ch] = True; \ 4673ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zs->block[zs->nblock] = (UChar)ch; \ 4674ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zs->nblock++; \ 4675ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zs->state_in_ch = zchh; \ 4676ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 4677ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else \ 4678ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- general, uncommon cases --*/ \ 4679ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zchh != zs->state_in_ch || \ 4680ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zs->state_in_len == 255) { \ 4681ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (zs->state_in_ch < 256) \ 4682ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown add_pair_to_block ( zs ); \ 4683ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zs->state_in_ch = zchh; \ 4684ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zs->state_in_len = 1; \ 4685ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { \ 4686ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zs->state_in_len++; \ 4687ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } \ 4688ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4689ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4690ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4691ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4692ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4693ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool copy_input_until_stop ( EState* s ) 4694ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4695ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool progress_in = False; 4696ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4697ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->mode == BZ_M_RUNNING) { 4698ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4699ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- fast track the common case --*/ 4700ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 4701ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- block full? --*/ 4702ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock >= s->nblockMAX) break; 4703ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- no input? --*/ 4704ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->avail_in == 0) break; 4705ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown progress_in = True; 4706ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ADD_CHAR_TO_BLOCK ( s, (UInt32)(*((UChar*)(s->strm->next_in))) ); 4707ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->next_in++; 4708ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->avail_in--; 4709ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_in_lo32++; 4710ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->total_in_lo32 == 0) s->strm->total_in_hi32++; 4711ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4712ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4713ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 4714ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4715ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- general, uncommon case --*/ 4716ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 4717ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- block full? --*/ 4718ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock >= s->nblockMAX) break; 4719ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- no input? --*/ 4720ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->avail_in == 0) break; 4721ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- flush/finish end? --*/ 4722ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->avail_in_expect == 0) break; 4723ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown progress_in = True; 4724ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ADD_CHAR_TO_BLOCK ( s, (UInt32)(*((UChar*)(s->strm->next_in))) ); 4725ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->next_in++; 4726ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->avail_in--; 4727ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_in_lo32++; 4728ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->total_in_lo32 == 0) s->strm->total_in_hi32++; 4729ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->avail_in_expect--; 4730ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4731ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4732ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return progress_in; 4733ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4734ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4735ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4736ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4737ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4738ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool copy_output_until_stop ( EState* s ) 4739ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4740ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool progress_out = False; 4741ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4742ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 4743ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4744ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- no output space? --*/ 4745ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->avail_out == 0) break; 4746ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4747ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*-- block done? --*/ 4748ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state_out_pos >= s->numZ) break; 4749ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4750ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown progress_out = True; 4751ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *(s->strm->next_out) = s->zbits[s->state_out_pos]; 4752ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_pos++; 4753ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->avail_out--; 4754ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->next_out++; 4755ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_out_lo32++; 4756ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->total_out_lo32 == 0) s->strm->total_out_hi32++; 4757ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4758ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4759ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return progress_out; 4760ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4761ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4762ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4763ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4764ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4765ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool handle_compress ( bz_stream* strm ) 4766ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4767ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool progress_in = False; 4768ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool progress_out = False; 4769ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown EState* s = strm->state; 4770ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4771ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 4772ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4773ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state == BZ_S_OUTPUT) { 4774ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown progress_out |= copy_output_until_stop ( s ); 4775ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state_out_pos < s->numZ) break; 4776ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->mode == BZ_M_FINISHING && 4777ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->avail_in_expect == 0 && 4778ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown isempty_RL(s)) break; 4779ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown prepare_new_block ( s ); 4780ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state = BZ_S_INPUT; 4781ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->mode == BZ_M_FLUSHING && 4782ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->avail_in_expect == 0 && 4783ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown isempty_RL(s)) break; 4784ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4785ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4786ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state == BZ_S_INPUT) { 4787ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown progress_in |= copy_input_until_stop ( s ); 4788ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->mode != BZ_M_RUNNING && s->avail_in_expect == 0) { 4789ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown flush_RL ( s ); 4790ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_compressBlock ( s, (Bool)(s->mode == BZ_M_FINISHING) ); 4791ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state = BZ_S_OUTPUT; 4792ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4793ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 4794ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock >= s->nblockMAX) { 4795ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_compressBlock ( s, False ); 4796ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state = BZ_S_OUTPUT; 4797ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4798ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 4799ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->avail_in == 0) { 4800ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown break; 4801ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4802ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4803ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4804ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4805ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4806ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return progress_in || progress_out; 4807ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4808ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4809ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4810ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4811ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzCompress) ( bz_stream *strm, int action ) 4812ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4813ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool progress; 4814ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown EState* s; 4815ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm == NULL) return BZ_PARAM_ERROR; 4816ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = strm->state; 4817ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s == NULL) return BZ_PARAM_ERROR; 4818ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm != strm) return BZ_PARAM_ERROR; 4819ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4820ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown preswitch: 4821ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown switch (s->mode) { 4822ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4823ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case BZ_M_IDLE: 4824ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_SEQUENCE_ERROR; 4825ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4826ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case BZ_M_RUNNING: 4827ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (action == BZ_RUN) { 4828ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown progress = handle_compress ( strm ); 4829ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return progress ? BZ_RUN_OK : BZ_PARAM_ERROR; 4830ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4831ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 4832ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (action == BZ_FLUSH) { 4833ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->avail_in_expect = strm->avail_in; 4834ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mode = BZ_M_FLUSHING; 4835ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown goto preswitch; 4836ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4837ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 4838ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (action == BZ_FINISH) { 4839ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->avail_in_expect = strm->avail_in; 4840ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mode = BZ_M_FINISHING; 4841ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown goto preswitch; 4842ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4843ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown else 4844ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_PARAM_ERROR; 4845ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4846ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case BZ_M_FLUSHING: 4847ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (action != BZ_FLUSH) return BZ_SEQUENCE_ERROR; 4848ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->avail_in_expect != s->strm->avail_in) 4849ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_SEQUENCE_ERROR; 4850ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown progress = handle_compress ( strm ); 4851ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->avail_in_expect > 0 || !isempty_RL(s) || 4852ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_pos < s->numZ) return BZ_FLUSH_OK; 4853ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mode = BZ_M_RUNNING; 4854ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_RUN_OK; 4855ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4856ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case BZ_M_FINISHING: 4857ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (action != BZ_FINISH) return BZ_SEQUENCE_ERROR; 4858ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->avail_in_expect != s->strm->avail_in) 4859ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_SEQUENCE_ERROR; 4860ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown progress = handle_compress ( strm ); 4861ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (!progress) return BZ_SEQUENCE_ERROR; 4862ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->avail_in_expect > 0 || !isempty_RL(s) || 4863ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_pos < s->numZ) return BZ_FINISH_OK; 4864ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->mode = BZ_M_IDLE; 4865ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_STREAM_END; 4866ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4867ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OK; /*--not reached--*/ 4868ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4869ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4870ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4871ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4872ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzCompressEnd) ( bz_stream *strm ) 4873ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4874ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown EState* s; 4875ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm == NULL) return BZ_PARAM_ERROR; 4876ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = strm->state; 4877ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s == NULL) return BZ_PARAM_ERROR; 4878ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm != strm) return BZ_PARAM_ERROR; 4879ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4880ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->arr1 != NULL) BZFREE(s->arr1); 4881ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->arr2 != NULL) BZFREE(s->arr2); 4882ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->ftab != NULL) BZFREE(s->ftab); 4883ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFREE(strm->state); 4884ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4885ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->state = NULL; 4886ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4887ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OK; 4888ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4889ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4890ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4891ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4892ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Decompression stuff ---*/ 4893ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4894ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4895ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4896ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzDecompressInit) 4897ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( bz_stream* strm, 4898ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 4899ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int small ) 4900ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4901ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DState* s; 4902ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4903ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (!bz_config_ok()) return BZ_CONFIG_ERROR; 4904ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4905ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm == NULL) return BZ_PARAM_ERROR; 4906ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (small != 0 && small != 1) return BZ_PARAM_ERROR; 4907ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (verbosity < 0 || verbosity > 4) return BZ_PARAM_ERROR; 4908ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4909ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm->bzalloc == NULL) strm->bzalloc = default_bzalloc; 4910ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm->bzfree == NULL) strm->bzfree = default_bzfree; 4911ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4912ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = BZALLOC( sizeof(DState) ); 4913ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s == NULL) return BZ_MEM_ERROR; 4914ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm = strm; 4915ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->state = s; 4916ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state = BZ_X_MAGIC_1; 4917ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsLive = 0; 4918ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->bsBuff = 0; 4919ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->calculatedCombinedCRC = 0; 4920ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->total_in_lo32 = 0; 4921ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->total_in_hi32 = 0; 4922ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->total_out_lo32 = 0; 4923ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->total_out_hi32 = 0; 4924ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->smallDecompress = (Bool)small; 4925ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ll4 = NULL; 4926ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->ll16 = NULL; 4927ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tt = NULL; 4928ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->currBlockNo = 0; 4929ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->verbosity = verbosity; 4930ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4931ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OK; 4932ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 4933ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4934ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4935ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 4936ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Return True iff data corruption is discovered. 4937ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Returns False if there is no problem. 4938ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 4939ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 4940ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool unRLE_obuf_to_output_FAST ( DState* s ) 4941ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 4942ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar k1; 4943ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4944ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->blockRandomised) { 4945ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4946ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 4947ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* try to finish existing run */ 4948ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 4949ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->avail_out == 0) return False; 4950ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state_out_len == 0) break; 4951ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *( (UChar*)(s->strm->next_out) ) = s->state_out_ch; 4952ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_UPDATE_CRC ( s->calculatedBlockCRC, s->state_out_ch ); 4953ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len--; 4954ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->next_out++; 4955ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->avail_out--; 4956ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_out_lo32++; 4957ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->total_out_lo32 == 0) s->strm->total_out_hi32++; 4958ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4959ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4960ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* can a new run be started? */ 4961ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) return False; 4962ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4963ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Only caused by corrupt data stream? */ 4964ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used > s->save_nblock+1) 4965ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return True; 4966ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4967ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 1; 4968ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_ch = s->k0; 4969ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST(k1); BZ_RAND_UPD_MASK; 4970ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k1 ^= BZ_RAND_MASK; s->nblock_used++; 4971ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) continue; 4972ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != s->k0) { s->k0 = k1; continue; }; 4973ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4974ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 2; 4975ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST(k1); BZ_RAND_UPD_MASK; 4976ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k1 ^= BZ_RAND_MASK; s->nblock_used++; 4977ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) continue; 4978ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != s->k0) { s->k0 = k1; continue; }; 4979ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4980ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 3; 4981ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST(k1); BZ_RAND_UPD_MASK; 4982ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k1 ^= BZ_RAND_MASK; s->nblock_used++; 4983ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) continue; 4984ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != s->k0) { s->k0 = k1; continue; }; 4985ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4986ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST(k1); BZ_RAND_UPD_MASK; 4987ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k1 ^= BZ_RAND_MASK; s->nblock_used++; 4988ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = ((Int32)k1) + 4; 4989ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST(s->k0); BZ_RAND_UPD_MASK; 4990ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->k0 ^= BZ_RAND_MASK; s->nblock_used++; 4991ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 4992ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4993ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 4994ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 4995ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* restore */ 4996ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 c_calculatedBlockCRC = s->calculatedBlockCRC; 4997ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar c_state_out_ch = s->state_out_ch; 4998ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 c_state_out_len = s->state_out_len; 4999ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 c_nblock_used = s->nblock_used; 5000ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 c_k0 = s->k0; 5001ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32* c_tt = s->tt; 5002ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 c_tPos = s->tPos; 5003ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* cs_next_out = s->strm->next_out; 5004ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int cs_avail_out = s->strm->avail_out; 5005ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* end restore */ 5006ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5007ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UInt32 avail_out_INIT = cs_avail_out; 5008ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 s_save_nblockPP = s->save_nblock+1; 5009ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int total_out_lo32_old; 5010ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5011ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5012ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5013ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* try to finish existing run */ 5014ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c_state_out_len > 0) { 5015ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5016ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (cs_avail_out == 0) goto return_notr; 5017ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c_state_out_len == 1) break; 5018ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *( (UChar*)(cs_next_out) ) = c_state_out_ch; 5019ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_UPDATE_CRC ( c_calculatedBlockCRC, c_state_out_ch ); 5020ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_state_out_len--; 5021ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cs_next_out++; 5022ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cs_avail_out--; 5023ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5024ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s_state_out_len_eq_one: 5025ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { 5026ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (cs_avail_out == 0) { 5027ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_state_out_len = 1; goto return_notr; 5028ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 5029ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *( (UChar*)(cs_next_out) ) = c_state_out_ch; 5030ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_UPDATE_CRC ( c_calculatedBlockCRC, c_state_out_ch ); 5031ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cs_next_out++; 5032ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown cs_avail_out--; 5033ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5034ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5035ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Only caused by corrupt data stream? */ 5036ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c_nblock_used > s_save_nblockPP) 5037ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return True; 5038ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5039ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* can a new run be started? */ 5040ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c_nblock_used == s_save_nblockPP) { 5041ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_state_out_len = 0; goto return_notr; 5042ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 5043ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_state_out_ch = c_k0; 5044ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST_C(k1); c_nblock_used++; 5045ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != c_k0) { 5046ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_k0 = k1; goto s_state_out_len_eq_one; 5047ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 5048ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c_nblock_used == s_save_nblockPP) 5049ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown goto s_state_out_len_eq_one; 5050ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5051ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_state_out_len = 2; 5052ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST_C(k1); c_nblock_used++; 5053ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c_nblock_used == s_save_nblockPP) continue; 5054ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != c_k0) { c_k0 = k1; continue; }; 5055ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5056ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_state_out_len = 3; 5057ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST_C(k1); c_nblock_used++; 5058ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c_nblock_used == s_save_nblockPP) continue; 5059ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != c_k0) { c_k0 = k1; continue; }; 5060ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5061ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST_C(k1); c_nblock_used++; 5062ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown c_state_out_len = ((Int32)k1) + 4; 5063ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_FAST_C(c_k0); c_nblock_used++; 5064ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5065ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5066ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return_notr: 5067ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown total_out_lo32_old = s->strm->total_out_lo32; 5068ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_out_lo32 += (avail_out_INIT - cs_avail_out); 5069ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->total_out_lo32 < total_out_lo32_old) 5070ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_out_hi32++; 5071ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5072ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* save */ 5073ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->calculatedBlockCRC = c_calculatedBlockCRC; 5074ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_ch = c_state_out_ch; 5075ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = c_state_out_len; 5076ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->nblock_used = c_nblock_used; 5077ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->k0 = c_k0; 5078ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tt = c_tt; 5079ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->tPos = c_tPos; 5080ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->next_out = cs_next_out; 5081ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->avail_out = cs_avail_out; 5082ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* end save */ 5083ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5084ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return False; 5085ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5086ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5087ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5088ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5089ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5090ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* Return True iff data corruption is discovered. 5091ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Returns False if there is no problem. 5092ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 5093ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 5094ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBool unRLE_obuf_to_output_SMALL ( DState* s ) 5095ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5096ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar k1; 5097ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5098ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->blockRandomised) { 5099ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5101ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* try to finish existing run */ 5102ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5103ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->avail_out == 0) return False; 5104ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state_out_len == 0) break; 5105ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *( (UChar*)(s->strm->next_out) ) = s->state_out_ch; 5106ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_UPDATE_CRC ( s->calculatedBlockCRC, s->state_out_ch ); 5107ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len--; 5108ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->next_out++; 5109ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->avail_out--; 5110ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_out_lo32++; 5111ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->total_out_lo32 == 0) s->strm->total_out_hi32++; 5112ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5113ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5114ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* can a new run be started? */ 5115ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) return False; 5116ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5117ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Only caused by corrupt data stream? */ 5118ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used > s->save_nblock+1) 5119ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return True; 5120ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5121ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 1; 5122ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_ch = s->k0; 5123ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(k1); BZ_RAND_UPD_MASK; 5124ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k1 ^= BZ_RAND_MASK; s->nblock_used++; 5125ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) continue; 5126ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != s->k0) { s->k0 = k1; continue; }; 5127ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5128ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 2; 5129ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(k1); BZ_RAND_UPD_MASK; 5130ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k1 ^= BZ_RAND_MASK; s->nblock_used++; 5131ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) continue; 5132ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != s->k0) { s->k0 = k1; continue; }; 5133ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5134ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 3; 5135ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(k1); BZ_RAND_UPD_MASK; 5136ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k1 ^= BZ_RAND_MASK; s->nblock_used++; 5137ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) continue; 5138ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != s->k0) { s->k0 = k1; continue; }; 5139ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5140ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(k1); BZ_RAND_UPD_MASK; 5141ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown k1 ^= BZ_RAND_MASK; s->nblock_used++; 5142ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = ((Int32)k1) + 4; 5143ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(s->k0); BZ_RAND_UPD_MASK; 5144ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->k0 ^= BZ_RAND_MASK; s->nblock_used++; 5145ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5146ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5147ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 5148ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5149ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5150ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* try to finish existing run */ 5151ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5152ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->avail_out == 0) return False; 5153ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state_out_len == 0) break; 5154ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *( (UChar*)(s->strm->next_out) ) = s->state_out_ch; 5155ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_UPDATE_CRC ( s->calculatedBlockCRC, s->state_out_ch ); 5156ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len--; 5157ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->next_out++; 5158ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->avail_out--; 5159ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->strm->total_out_lo32++; 5160ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm->total_out_lo32 == 0) s->strm->total_out_hi32++; 5161ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5162ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5163ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* can a new run be started? */ 5164ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) return False; 5165ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5166ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Only caused by corrupt data stream? */ 5167ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used > s->save_nblock+1) 5168ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return True; 5169ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5170ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 1; 5171ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_ch = s->k0; 5172ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(k1); s->nblock_used++; 5173ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) continue; 5174ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != s->k0) { s->k0 = k1; continue; }; 5175ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5176ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 2; 5177ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(k1); s->nblock_used++; 5178ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) continue; 5179ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != s->k0) { s->k0 = k1; continue; }; 5180ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5181ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = 3; 5182ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(k1); s->nblock_used++; 5183ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1) continue; 5184ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (k1 != s->k0) { s->k0 = k1; continue; }; 5185ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5186ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(k1); s->nblock_used++; 5187ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state_out_len = ((Int32)k1) + 4; 5188ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_GET_SMALL(s->k0); s->nblock_used++; 5189ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5190ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5191ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5192ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5193ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5194ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5195ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5196ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzDecompress) ( bz_stream *strm ) 5197ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5198ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool corrupt; 5199ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DState* s; 5200ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm == NULL) return BZ_PARAM_ERROR; 5201ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = strm->state; 5202ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s == NULL) return BZ_PARAM_ERROR; 5203ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm != strm) return BZ_PARAM_ERROR; 5204ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5205ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5206ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state == BZ_X_IDLE) return BZ_SEQUENCE_ERROR; 5207ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state == BZ_X_OUTPUT) { 5208ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->smallDecompress) 5209ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown corrupt = unRLE_obuf_to_output_SMALL ( s ); else 5210ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown corrupt = unRLE_obuf_to_output_FAST ( s ); 5211ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (corrupt) return BZ_DATA_ERROR; 5212ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->nblock_used == s->save_nblock+1 && s->state_out_len == 0) { 5213ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_FINALISE_CRC ( s->calculatedBlockCRC ); 5214ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 3) 5215ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf2 ( " {0x%08x, 0x%08x}", s->storedBlockCRC, 5216ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->calculatedBlockCRC ); 5217ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 2) VPrintf0 ( "]" ); 5218ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->calculatedBlockCRC != s->storedBlockCRC) 5219ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_DATA_ERROR; 5220ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->calculatedCombinedCRC 5221ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown = (s->calculatedCombinedCRC << 1) | 5222ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (s->calculatedCombinedCRC >> 31); 5223ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->calculatedCombinedCRC ^= s->calculatedBlockCRC; 5224ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->state = BZ_X_BLKHDR_1; 5225ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 5226ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OK; 5227ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5228ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5229ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state >= BZ_X_MAGIC_1) { 5230ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 r = BZ2_decompress ( s ); 5231ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (r == BZ_STREAM_END) { 5232ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->verbosity >= 3) 5233ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown VPrintf2 ( "\n combined CRCs: stored = 0x%08x, computed = 0x%08x", 5234ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s->storedCombinedCRC, s->calculatedCombinedCRC ); 5235ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->calculatedCombinedCRC != s->storedCombinedCRC) 5236ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_DATA_ERROR; 5237ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return r; 5238ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5239ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->state != BZ_X_OUTPUT) return r; 5240ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5241ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5242ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5243ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown AssertH ( 0, 6001 ); 5244ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5245ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; /*NOTREACHED*/ 5246ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5247ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5248ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5249ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5250ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzDecompressEnd) ( bz_stream *strm ) 5251ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5252ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown DState* s; 5253ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm == NULL) return BZ_PARAM_ERROR; 5254ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown s = strm->state; 5255ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s == NULL) return BZ_PARAM_ERROR; 5256ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->strm != strm) return BZ_PARAM_ERROR; 5257ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5258ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->tt != NULL) BZFREE(s->tt); 5259ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->ll16 != NULL) BZFREE(s->ll16); 5260ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (s->ll4 != NULL) BZFREE(s->ll4); 5261ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5262ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFREE(strm->state); 5263ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm->state = NULL; 5264ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5265ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OK; 5266ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5267ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5268ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5269ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef BZ_NO_STDIO 5270ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5271ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- File I/O stuff ---*/ 5272ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5273ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5274ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define BZ_SETERR(eee) \ 5275ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ \ 5276ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzerror != NULL) *bzerror = eee; \ 5277ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf != NULL) bzf->lastErr = eee; \ 5278ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5279ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5280ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Browntypedef 5281ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown struct { 5282ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown FILE* handle; 5283ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Char buf[BZ_MAX_UNUSED]; 5284ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 bufN; 5285ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool writing; 5286ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream strm; 5287ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 lastErr; 5288ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Bool initialisedOk; 5289ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5290ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzFile; 5291ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5292ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5293ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------*/ 5294ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic Bool myfeof ( FILE* f ) 5295ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5296ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 c = fgetc ( f ); 5297ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (c == EOF) return True; 5298ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ungetc ( c, f ); 5299ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return False; 5300ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5301ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5302ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5303ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5304ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZFILE* BZ_API(BZ2_bzWriteOpen) 5305ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( int* bzerror, 5306ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown FILE* f, 5307ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int blockSize100k, 5308ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 5309ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int workFactor ) 5310ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5311ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 ret; 5312ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzFile* bzf = NULL; 5313ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5314ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_SETERR(BZ_OK); 5315ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5316ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (f == NULL || 5317ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (blockSize100k < 1 || blockSize100k > 9) || 5318ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (workFactor < 0 || workFactor > 250) || 5319ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (verbosity < 0 || verbosity > 4)) 5320ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_PARAM_ERROR); return NULL; }; 5321ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5322ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ferror(f)) 5323ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_IO_ERROR); return NULL; }; 5324ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5325ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf = malloc ( sizeof(bzFile) ); 5326ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf == NULL) 5327ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_MEM_ERROR); return NULL; }; 5328ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5329ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_SETERR(BZ_OK); 5330ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->initialisedOk = False; 5331ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->bufN = 0; 5332ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->handle = f; 5333ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->writing = True; 5334ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.bzalloc = NULL; 5335ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.bzfree = NULL; 5336ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.opaque = NULL; 5337ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5338ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (workFactor == 0) workFactor = 30; 5339ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = BZ2_bzCompressInit ( &(bzf->strm), blockSize100k, 5340ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown verbosity, workFactor ); 5341ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret != BZ_OK) 5342ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(ret); free(bzf); return NULL; }; 5343ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5344ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.avail_in = 0; 5345ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->initialisedOk = True; 5346ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return bzf; 5347ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5348ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5349ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5350ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5351ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5352ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ_API(BZ2_bzWrite) 5353ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( int* bzerror, 5354ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 5355ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void* buf, 5356ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int len ) 5357ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5358ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 n, n2, ret; 5359ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzFile* bzf = (bzFile*)b; 5360ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5361ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_SETERR(BZ_OK); 5362ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf == NULL || buf == NULL || len < 0) 5363ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_PARAM_ERROR); return; }; 5364ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (!(bzf->writing)) 5365ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_SEQUENCE_ERROR); return; }; 5366ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ferror(bzf->handle)) 5367ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_IO_ERROR); return; }; 5368ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5369ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (len == 0) 5370ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_OK); return; }; 5371ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5372ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.avail_in = len; 5373ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.next_in = buf; 5374ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5375ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5376ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.avail_out = BZ_MAX_UNUSED; 5377ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.next_out = bzf->buf; 5378ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = BZ2_bzCompress ( &(bzf->strm), BZ_RUN ); 5379ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret != BZ_RUN_OK) 5380ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(ret); return; }; 5381ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5382ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf->strm.avail_out < BZ_MAX_UNUSED) { 5383ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = BZ_MAX_UNUSED - bzf->strm.avail_out; 5384ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n2 = fwrite ( (void*)(bzf->buf), sizeof(UChar), 5385ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n, bzf->handle ); 5386ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n != n2 || ferror(bzf->handle)) 5387ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_IO_ERROR); return; }; 5388ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5389ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5390ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf->strm.avail_in == 0) 5391ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_OK); return; }; 5392ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5393ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5394ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5395ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5396ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5397ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ_API(BZ2_bzWriteClose) 5398ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( int* bzerror, 5399ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 5400ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int abandon, 5401ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_in, 5402ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_out ) 5403ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5404ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzWriteClose64 ( bzerror, b, abandon, 5405ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nbytes_in, NULL, nbytes_out, NULL ); 5406ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5407ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5408ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5409ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ_API(BZ2_bzWriteClose64) 5410ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( int* bzerror, 5411ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 5412ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int abandon, 5413ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_in_lo32, 5414ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_in_hi32, 5415ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_out_lo32, 5416ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* nbytes_out_hi32 ) 5417ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5418ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 n, n2, ret; 5419ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzFile* bzf = (bzFile*)b; 5420ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5421ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf == NULL) 5422ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_OK); return; }; 5423ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (!(bzf->writing)) 5424ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_SEQUENCE_ERROR); return; }; 5425ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ferror(bzf->handle)) 5426ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_IO_ERROR); return; }; 5427ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5428ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nbytes_in_lo32 != NULL) *nbytes_in_lo32 = 0; 5429ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nbytes_in_hi32 != NULL) *nbytes_in_hi32 = 0; 5430ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nbytes_out_lo32 != NULL) *nbytes_out_lo32 = 0; 5431ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nbytes_out_hi32 != NULL) *nbytes_out_hi32 = 0; 5432ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5433ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if ((!abandon) && bzf->lastErr == BZ_OK) { 5434ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5435ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.avail_out = BZ_MAX_UNUSED; 5436ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.next_out = bzf->buf; 5437ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = BZ2_bzCompress ( &(bzf->strm), BZ_FINISH ); 5438ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret != BZ_FINISH_OK && ret != BZ_STREAM_END) 5439ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(ret); return; }; 5440ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5441ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf->strm.avail_out < BZ_MAX_UNUSED) { 5442ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = BZ_MAX_UNUSED - bzf->strm.avail_out; 5443ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n2 = fwrite ( (void*)(bzf->buf), sizeof(UChar), 5444ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n, bzf->handle ); 5445ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (n != n2 || ferror(bzf->handle)) 5446ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_IO_ERROR); return; }; 5447ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5448ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5449ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret == BZ_STREAM_END) break; 5450ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5451ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5452ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5453ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if ( !abandon && !ferror ( bzf->handle ) ) { 5454ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fflush ( bzf->handle ); 5455ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ferror(bzf->handle)) 5456ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_IO_ERROR); return; }; 5457ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5458ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5459ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nbytes_in_lo32 != NULL) 5460ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *nbytes_in_lo32 = bzf->strm.total_in_lo32; 5461ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nbytes_in_hi32 != NULL) 5462ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *nbytes_in_hi32 = bzf->strm.total_in_hi32; 5463ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nbytes_out_lo32 != NULL) 5464ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *nbytes_out_lo32 = bzf->strm.total_out_lo32; 5465ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nbytes_out_hi32 != NULL) 5466ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *nbytes_out_hi32 = bzf->strm.total_out_hi32; 5467ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5468ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_SETERR(BZ_OK); 5469ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzCompressEnd ( &(bzf->strm) ); 5470ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown free ( bzf ); 5471ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5472ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5473ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5474ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5475ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZFILE* BZ_API(BZ2_bzReadOpen) 5476ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( int* bzerror, 5477ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown FILE* f, 5478ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 5479ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int small, 5480ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void* unused, 5481ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int nUnused ) 5482ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5483ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzFile* bzf = NULL; 5484ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int ret; 5485ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5486ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_SETERR(BZ_OK); 5487ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5488ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (f == NULL || 5489ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (small != 0 && small != 1) || 5490ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (verbosity < 0 || verbosity > 4) || 5491ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (unused == NULL && nUnused != 0) || 5492ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (unused != NULL && (nUnused < 0 || nUnused > BZ_MAX_UNUSED))) 5493ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_PARAM_ERROR); return NULL; }; 5494ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5495ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ferror(f)) 5496ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_IO_ERROR); return NULL; }; 5497ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5498ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf = malloc ( sizeof(bzFile) ); 5499ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf == NULL) 5500ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_MEM_ERROR); return NULL; }; 5501ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5502ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_SETERR(BZ_OK); 5503ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5504ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->initialisedOk = False; 5505ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->handle = f; 5506ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->bufN = 0; 5507ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->writing = False; 5508ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.bzalloc = NULL; 5509ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.bzfree = NULL; 5510ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.opaque = NULL; 5511ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5512ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (nUnused > 0) { 5513ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->buf[bzf->bufN] = *((UChar*)(unused)); bzf->bufN++; 5514ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unused = ((void*)( 1 + ((UChar*)(unused)) )); 5515ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nUnused--; 5516ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5517ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5518ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = BZ2_bzDecompressInit ( &(bzf->strm), verbosity, small ); 5519ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret != BZ_OK) 5520ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(ret); free(bzf); return NULL; }; 5521ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5522ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.avail_in = bzf->bufN; 5523ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.next_in = bzf->buf; 5524ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5525ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->initialisedOk = True; 5526ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return bzf; 5527ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5528ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5529ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5530ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5531ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ_API(BZ2_bzReadClose) ( int *bzerror, BZFILE *b ) 5532ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5533ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzFile* bzf = (bzFile*)b; 5534ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5535ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_SETERR(BZ_OK); 5536ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf == NULL) 5537ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_OK); return; }; 5538ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5539ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf->writing) 5540ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_SEQUENCE_ERROR); return; }; 5541ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5542ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf->initialisedOk) 5543ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (void)BZ2_bzDecompressEnd ( &(bzf->strm) ); 5544ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown free ( bzf ); 5545ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5546ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5547ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5548ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5549ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzRead) 5550ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( int* bzerror, 5551ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 5552ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void* buf, 5553ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int len ) 5554ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5555ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Int32 n, ret; 5556ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzFile* bzf = (bzFile*)b; 5557ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5558ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_SETERR(BZ_OK); 5559ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5560ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf == NULL || buf == NULL || len < 0) 5561ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_PARAM_ERROR); return 0; }; 5562ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5563ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf->writing) 5564ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_SEQUENCE_ERROR); return 0; }; 5565ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5566ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (len == 0) 5567ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_OK); return 0; }; 5568ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5569ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.avail_out = len; 5570ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.next_out = buf; 5571ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5572ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (True) { 5573ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5574ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ferror(bzf->handle)) 5575ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_IO_ERROR); return 0; }; 5576ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5577ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf->strm.avail_in == 0 && !myfeof(bzf->handle)) { 5578ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown n = fread ( bzf->buf, sizeof(UChar), 5579ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_MAX_UNUSED, bzf->handle ); 5580ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ferror(bzf->handle)) 5581ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_IO_ERROR); return 0; }; 5582ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->bufN = n; 5583ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.avail_in = bzf->bufN; 5584ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.next_in = bzf->buf; 5585ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5586ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5587ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = BZ2_bzDecompress ( &(bzf->strm) ); 5588ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5589ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret != BZ_OK && ret != BZ_STREAM_END) 5590ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(ret); return 0; }; 5591ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5592ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret == BZ_OK && myfeof(bzf->handle) && 5593ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzf->strm.avail_in == 0 && bzf->strm.avail_out > 0) 5594ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_UNEXPECTED_EOF); return 0; }; 5595ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5596ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret == BZ_STREAM_END) 5597ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_STREAM_END); 5598ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return len - bzf->strm.avail_out; }; 5599ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf->strm.avail_out == 0) 5600ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_OK); return len; }; 5601ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5602ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5603ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5604ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; /*not reached*/ 5605ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5606ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5607ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5608ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5609ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ_API(BZ2_bzReadGetUnused) 5610ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( int* bzerror, 5611ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE* b, 5612ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown void** unused, 5613ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int* nUnused ) 5614ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5615ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzFile* bzf = (bzFile*)b; 5616ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf == NULL) 5617ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_PARAM_ERROR); return; }; 5618ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzf->lastErr != BZ_STREAM_END) 5619ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_SEQUENCE_ERROR); return; }; 5620ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (unused == NULL || nUnused == NULL) 5621ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown { BZ_SETERR(BZ_PARAM_ERROR); return; }; 5622ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5623ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ_SETERR(BZ_OK); 5624ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *nUnused = bzf->strm.avail_in; 5625ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *unused = bzf->strm.next_in; 5626ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5627ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 5628ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5629ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5630ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5631ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- Misc convenience stuff ---*/ 5632ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5633ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5634ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5635ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzBuffToBuffCompress) 5636ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( char* dest, 5637ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* destLen, 5638ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* source, 5639ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int sourceLen, 5640ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int blockSize100k, 5641ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity, 5642ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int workFactor ) 5643ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5644ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream strm; 5645ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int ret; 5646ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5647ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (dest == NULL || destLen == NULL || 5648ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown source == NULL || 5649ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown blockSize100k < 1 || blockSize100k > 9 || 5650ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown verbosity < 0 || verbosity > 4 || 5651ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown workFactor < 0 || workFactor > 250) 5652ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_PARAM_ERROR; 5653ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5654ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (workFactor == 0) workFactor = 30; 5655ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.bzalloc = NULL; 5656ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.bzfree = NULL; 5657ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.opaque = NULL; 5658ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = BZ2_bzCompressInit ( &strm, blockSize100k, 5659ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown verbosity, workFactor ); 5660ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret != BZ_OK) return ret; 5661ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5662ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.next_in = source; 5663ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.next_out = dest; 5664ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.avail_in = sourceLen; 5665ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.avail_out = *destLen; 5666ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5667ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = BZ2_bzCompress ( &strm, BZ_FINISH ); 5668ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret == BZ_FINISH_OK) goto output_overflow; 5669ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret != BZ_STREAM_END) goto errhandler; 5670ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5671ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* normal termination */ 5672ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *destLen -= strm.avail_out; 5673ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzCompressEnd ( &strm ); 5674ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OK; 5675ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5676ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown output_overflow: 5677ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzCompressEnd ( &strm ); 5678ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OUTBUFF_FULL; 5679ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5680ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown errhandler: 5681ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzCompressEnd ( &strm ); 5682ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return ret; 5683ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5684ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5685ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5686ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5687ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzBuffToBuffDecompress) 5688ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( char* dest, 5689ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int* destLen, 5690ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char* source, 5691ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unsigned int sourceLen, 5692ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int small, 5693ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity ) 5694ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5695ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bz_stream strm; 5696ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int ret; 5697ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5698ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (dest == NULL || destLen == NULL || 5699ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown source == NULL || 5700ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (small != 0 && small != 1) || 5701ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown verbosity < 0 || verbosity > 4) 5702ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_PARAM_ERROR; 5703ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5704ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.bzalloc = NULL; 5705ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.bzfree = NULL; 5706ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.opaque = NULL; 5707ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = BZ2_bzDecompressInit ( &strm, verbosity, small ); 5708ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret != BZ_OK) return ret; 5709ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5710ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.next_in = source; 5711ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.next_out = dest; 5712ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.avail_in = sourceLen; 5713ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strm.avail_out = *destLen; 5714ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5715ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ret = BZ2_bzDecompress ( &strm ); 5716ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret == BZ_OK) goto output_overflow_or_eof; 5717ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (ret != BZ_STREAM_END) goto errhandler; 5718ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5719ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* normal termination */ 5720ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *destLen -= strm.avail_out; 5721ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzDecompressEnd ( &strm ); 5722ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OK; 5723ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5724ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown output_overflow_or_eof: 5725ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (strm.avail_out > 0) { 5726ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzDecompressEnd ( &strm ); 5727ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_UNEXPECTED_EOF; 5728ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 5729ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzDecompressEnd ( &strm ); 5730ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_OUTBUFF_FULL; 5731ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }; 5732ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5733ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown errhandler: 5734ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzDecompressEnd ( &strm ); 5735ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return ret; 5736ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5737ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5738ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5739ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5740ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 5741ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown Code contributed by Yoshioka Tsuneo 5742ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (QWF00133@niftyserve.or.jp/tsuneo-y@is.aist-nara.ac.jp), 5743ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown to support better zlib compatibility. 5744ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This code is not _officially_ part of libbzip2 (yet); 5745ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown I haven't tested it, documented it, or considered the 5746ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown threading-safeness of it. 5747ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown If this code breaks, please contact both Yoshioka and me. 5748ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 5749ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5750ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5751ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5752ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 5753ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return version like "0.9.0c". 5754ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 5755ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownconst char * BZ_API(BZ2_bzlibVersion)(void) 5756ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5757ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return BZ_VERSION; 5758ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5759ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5760ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5761ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifndef BZ_NO_STDIO 5762ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5763ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5764ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#if defined(_WIN32) || defined(OS2) || defined(MSDOS) 5765ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# include <fcntl.h> 5766ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# include <io.h> 5767ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define SET_BINARY_MODE(file) setmode(fileno(file),O_BINARY) 5768ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#else 5769ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown# define SET_BINARY_MODE(file) 5770ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 5771ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic 5772ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZFILE * bzopen_or_bzdopen 5773ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( const char *path, /* no use when bzdopen */ 5774ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int fd, /* no use when bzdopen */ 5775ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown const char *mode, 5776ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int open_mode) /* bzopen: 0, bzdopen:1 */ 5777ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5778ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int bzerr; 5779ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char unused[BZ_MAX_UNUSED]; 5780ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int blockSize100k = 9; 5781ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int writing = 0; 5782ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char mode2[10] = ""; 5783ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown FILE *fp = NULL; 5784ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZFILE *bzfp = NULL; 5785ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int verbosity = 0; 5786ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int workFactor = 30; 5787ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int smallMode = 0; 5788ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int nUnused = 0; 5789ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5790ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (mode == NULL) return NULL; 5791ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown while (*mode) { 5792ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown switch (*mode) { 5793ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 'r': 5794ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown writing = 0; break; 5795ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 'w': 5796ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown writing = 1; break; 5797ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 's': 5798ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown smallMode = 1; break; 5799ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown default: 5800ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (isdigit((int)(*mode))) { 5801ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown blockSize100k = *mode-BZ_HDR_0; 5802ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5803ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5804ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown mode++; 5805ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5806ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strcat(mode2, writing ? "w" : "r" ); 5807ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown strcat(mode2,"b"); /* binary mode */ 5808ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5809ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (open_mode==0) { 5810ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (path==NULL || strcmp(path,"")==0) { 5811ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fp = (writing ? stdout : stdin); 5812ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown SET_BINARY_MODE(fp); 5813ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 5814ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fp = fopen(path,mode2); 5815ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5816ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 5817ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#ifdef BZ_STRICT_ANSI 5818ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fp = NULL; 5819ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#else 5820ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fp = fdopen(fd,mode2); 5821ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 5822ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5823ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (fp == NULL) return NULL; 5824ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5825ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (writing) { 5826ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* Guard against total chaos and anarchy -- JRS */ 5827ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (blockSize100k < 1) blockSize100k = 1; 5828ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (blockSize100k > 9) blockSize100k = 9; 5829ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzfp = BZ2_bzWriteOpen(&bzerr,fp,blockSize100k, 5830ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown verbosity,workFactor); 5831ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 5832ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown bzfp = BZ2_bzReadOpen(&bzerr,fp,verbosity,smallMode, 5833ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unused,nUnused); 5834ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5835ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzfp == NULL) { 5836ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (fp != stdin && fp != stdout) fclose(fp); 5837ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return NULL; 5838ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5839ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return bzfp; 5840ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5841ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5842ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5843ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5844ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 5845ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown open file for read or write. 5846ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ex) bzopen("file","w9") 5847ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case path="" or NULL => use stdin or stdout. 5848ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 5849ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZFILE * BZ_API(BZ2_bzopen) 5850ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( const char *path, 5851ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown const char *mode ) 5852ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5853ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return bzopen_or_bzdopen(path,-1,mode,/*bzopen*/0); 5854ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5855ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5856ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5857ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5858ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff BrownBZFILE * BZ_API(BZ2_bzdopen) 5859ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ( int fd, 5860ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown const char *mode ) 5861ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5862ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return bzopen_or_bzdopen(NULL,fd,mode,/*bzdopen*/1); 5863ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5864ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5865ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5866ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5867ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzread) (BZFILE* b, void* buf, int len ) 5868ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5869ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int bzerr, nread; 5870ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (((bzFile*)b)->lastErr == BZ_STREAM_END) return 0; 5871ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nread = BZ2_bzRead(&bzerr,b,buf,len); 5872ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bzerr == BZ_OK || bzerr == BZ_STREAM_END) { 5873ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return nread; 5874ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 5875ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return -1; 5876ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5877ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5878ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5879ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5880ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5881ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzwrite) (BZFILE* b, void* buf, int len ) 5882ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5883ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int bzerr; 5884ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5885ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzWrite(&bzerr,b,buf,len); 5886ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if(bzerr == BZ_OK){ 5887ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return len; 5888ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }else{ 5889ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return -1; 5890ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5891ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5892ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5893ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5894ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5895ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint BZ_API(BZ2_bzflush) (BZFILE *b) 5896ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5897ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* do nothing now... */ 5898ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; 5899ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5900ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5901ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5902ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5903ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid BZ_API(BZ2_bzclose) (BZFILE* b) 5904ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5905ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int bzerr; 5906ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown FILE *fp = ((bzFile *)b)->handle; 5907ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5908ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (b==NULL) {return;} 5909ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if(((bzFile*)b)->writing){ 5910ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzWriteClose(&bzerr,b,0,NULL,NULL); 5911ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if(bzerr != BZ_OK){ 5912ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzWriteClose(NULL,b,1,NULL,NULL); 5913ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5914ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown }else{ 5915ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown BZ2_bzReadClose(&bzerr,b); 5916ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5917ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if(fp!=stdin && fp!=stdout){ 5918ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown fclose(fp); 5919ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 5920ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5921ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5922ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5923ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*---------------------------------------------------*/ 5924ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-- 5925ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return last error code 5926ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown--*/ 5927ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic char *bzerrorstrings[] = { 5928ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown "OK" 5929ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"SEQUENCE_ERROR" 5930ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"PARAM_ERROR" 5931ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"MEM_ERROR" 5932ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"DATA_ERROR" 5933ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"DATA_ERROR_MAGIC" 5934ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"IO_ERROR" 5935ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"UNEXPECTED_EOF" 5936ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"OUTBUFF_FULL" 5937ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"CONFIG_ERROR" 5938ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 5939ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 5940ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 5941ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 5942ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 5943ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 5944ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown}; 5945ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5946ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5947ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownconst char * BZ_API(BZ2_bzerror) (BZFILE *b, int *errnum) 5948ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 5949ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int err = ((bzFile *)b)->lastErr; 5950ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5951ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if(err>0) err = 0; 5952ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown *errnum = err; 5953ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return bzerrorstrings[err*-1]; 5954ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 5955ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 5956ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5957ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5958ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 5959ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*--- end bzlib.c ---*/ 5960ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/*-------------------------------------------------------------*/ 5961ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5962ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5963ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown///////////////////////////////////////////////////////////////////// 5964ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown///////////////////////////////////////////////////////////////////// 5965ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5966ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5967ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* A test program written to test robustness to decompression of 5968ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown corrupted data. Usage is 5969ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown unzcrash filename 5970ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown and the program will read the specified file, compress it (in memory), 5971ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown and then repeatedly decompress it, each time with a different bit of 5972ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown the compressed data inverted, so as to test all possible one-bit errors. 5973ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown This should not cause any invalid memory accesses. If it does, 5974ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown I want to know about it! 5975ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5976ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown p.s. As you can see from the above description, the process is 5977ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown incredibly slow. A file of size eg 5KB will cause it to run for 5978ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown many hours. 5979ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown*/ 5980ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5981ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown//#include <stdio.h> 5982ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown//#include <assert.h> 5983ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown//#include "bzlib.h" 5984ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5985ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define M_BLOCK 1000000 5986ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5987ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5988ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#define M_BLOCK_OUT (M_BLOCK + 1000000) 5989ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char inbuf[M_BLOCK]; 5990ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char outbuf[M_BLOCK_OUT]; 5991ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown char zbuf[M_BLOCK + 600 + (M_BLOCK / 100)]; 5992ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5993ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint nIn; 5994ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownunsigned int nOut; 5995ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownunsigned int nZ; 5996ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 5997ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#if 0 5998ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic char *bzerrorstrings[] = { 5999ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown "OK" 6000ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"SEQUENCE_ERROR" 6001ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"PARAM_ERROR" 6002ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"MEM_ERROR" 6003ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"DATA_ERROR" 6004ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"DATA_ERROR_MAGIC" 6005ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"IO_ERROR" 6006ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"UNEXPECTED_EOF" 6007ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"OUTBUFF_FULL" 6008ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6009ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6010ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6011ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6012ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6013ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6014ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown}; 6015ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 6016ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6017ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid flip_bit ( int bit ) 6018ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 6019ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int byteno = bit / 8; 6020ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int bitno = bit % 8; 6021ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown UChar mask = 1 << bitno; 6022ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown //fprintf ( stderr, "(byte %d bit %d mask %d)", 6023ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown // byteno, bitno, (int)mask ); 6024ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zbuf[byteno] ^= mask; 6025ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 6026ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6027ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownvoid set_inbuf ( void ) 6028ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 6029ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown inbuf[0] = 0; 6030ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "At her sixtieth birthday party, Margaret Thatcher "); 6031ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "blew on the cake to light the candles.\n"); 6032ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "This program, bzip2, the associated library libbzip2, and all\n"); 6033ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "documentation, are copyright (C) 1996-2004 Julian R Seward. All\n"); 6034ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "rights reserved.\n"); 6035ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6036ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Redistribution and use in source and binary forms, with or without\n"); 6037ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "modification, are permitted provided that the following conditions\n"); 6038ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "are met:\n"); 6039ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6040ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "1. Redistributions of source code must retain the above copyright\n"); 6041ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " notice, this list of conditions and the following disclaimer.\n"); 6042ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6043ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "2. The origin of this software must not be misrepresented; you must\n"); 6044ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " not claim that you wrote the original software. If you use this\n"); 6045ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " software in a product, an acknowledgment in the product\n"); 6046ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " documentation would be appreciated but is not required.\n"); 6047ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6048ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "3. Altered source versions must be plainly marked as such, and must\n"); 6049ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " not be misrepresented as being the original software.\n"); 6050ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6051ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "4. The name of the author may not be used to endorse or promote\n"); 6052ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " products derived from this software without specific prior written\n"); 6053ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " permission.\n"); 6054ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6055ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS\n"); 6056ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n"); 6057ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\n"); 6058ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY\n"); 6059ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\n"); 6060ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE\n"); 6061ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS\n"); 6062ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n"); 6063ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING\n"); 6064ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS\n"); 6065ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n"); 6066ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6067ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6068ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6069ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6070ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6071ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6072ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6073ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6074ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6075ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6076ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6077ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6078ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6079ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6080ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6081ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6082ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6083ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6084ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6085ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6086ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6087ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6088ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6089ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6090ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6091ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6092ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6093ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6094ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6095ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6096ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6097ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6098ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6099ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6100ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6101ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6102ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6103ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6104ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6105ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6106ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6107ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "ababababababababababababababababababababababababababababababab"); 6108ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " GNU GENERAL PUBLIC LICENSE\n"); 6109ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Version 2, June 1991\n"); 6110ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6111ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Copyright (C) 1989, 1991 Free Software Foundation, Inc.\n"); 6112ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"); 6113ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Everyone is permitted to copy and distribute verbatim copies\n"); 6114ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " of this license document, but changing it is not allowed.\n"); 6115ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6116ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Preamble\n"); 6117ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6118ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " The licenses for most software are designed to take away your\n"); 6119ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "freedom to share and change it. By contrast, the GNU General Public\n"); 6120ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "License is intended to guarantee your freedom to share and change free\n"); 6121ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "software--to make sure the software is free for all its users. This\n"); 6122ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "General Public License applies to most of the Free Software\n"); 6123ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Foundation's software and to any other program whose authors commit to\n"); 6124ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "using it. (Some other Free Software Foundation software is covered by\n"); 6125ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "the GNU Library General Public License instead.) You can apply it to\n"); 6126ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "your programs, too.\n"); 6127ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6128ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " When we speak of free software, we are referring to freedom, not\n"); 6129ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "price. Our General Public Licenses are designed to make sure that you\n"); 6130ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "have the freedom to distribute copies of free software (and charge for\n"); 6131ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "this service if you wish), that you receive source code or can get it\n"); 6132ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "if you want it, that you can change the software or use pieces of it\n"); 6133ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "in new free programs; and that you know you can do these things.\n"); 6134ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6135ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " To protect your rights, we need to make restrictions that forbid\n"); 6136ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "anyone to deny you these rights or to ask you to surrender the rights.\n"); 6137ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "These restrictions translate to certain responsibilities for you if you\n"); 6138ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "distribute copies of the software, or if you modify it.\n"); 6139ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6140ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " For example, if you distribute copies of such a program, whether\n"); 6141ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "gratis or for a fee, you must give the recipients all the rights that\n"); 6142ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "you have. You must make sure that they, too, receive or can get the\n"); 6143ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "source code. And you must show them these terms so they know their\n"); 6144ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "rights.\n"); 6145ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6146ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " We protect your rights with two steps: (1) copyright the software, and\n"); 6147ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "(2) offer you this license which gives you legal permission to copy,\n"); 6148ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "distribute and/or modify the software.\n"); 6149ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6150ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Also, for each author's protection and ours, we want to make certain\n"); 6151ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "that everyone understands that there is no warranty for this free\n"); 6152ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "software. If the software is modified by someone else and passed on, we\n"); 6153ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "want its recipients to know that what they have is not the original, so\n"); 6154ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "that any problems introduced by others will not reflect on the original\n"); 6155ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "authors' reputations.\n"); 6156ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6157ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Finally, any free program is threatened constantly by software\n"); 6158ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "patents. We wish to avoid the danger that redistributors of a free\n"); 6159ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "program will individually obtain patent licenses, in effect making the\n"); 6160ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "program proprietary. To prevent this, we have made it clear that any\n"); 6161ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "patent must be licensed for everyone's free use or not licensed at all.\n"); 6162ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6163ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " The precise terms and conditions for copying, distribution and\n"); 6164ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "modification follow.\n"); 6165ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6166ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " GNU GENERAL PUBLIC LICENSE\n"); 6167ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION\n"); 6168ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6169ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 0. This License applies to any program or other work which contains\n"); 6170ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "a notice placed by the copyright holder saying it may be distributed\n"); 6171ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "under the terms of this General Public License. The Program, below,\n"); 6172ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "refers to any such program or work, and a work based on the Program\n"); 6173ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "means either the Program or any derivative work under copyright law:\n"); 6174ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "that is to say, a work containing the Program or a portion of it,\n"); 6175ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "either verbatim or with modifications and/or translated into another\n"); 6176ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "language. (Hereinafter, translation is included without limitation in\n"); 6177ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "the term modification.) Each licensee is addressed as you.\n"); 6178ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6179ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Activities other than copying, distribution and modification are not\n"); 6180ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "covered by this License; they are outside its scope. The act of\n"); 6181ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "running the Program is not restricted, and the output from the Program\n"); 6182ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "is covered only if its contents constitute a work based on the\n"); 6183ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Program (independent of having been made by running the Program).\n"); 6184ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Whether that is true depends on what the Program does.\n"); 6185ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6186ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 1. You may copy and distribute verbatim copies of the Program's\n"); 6187ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "source code as you receive it, in any medium, provided that you\n"); 6188ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "conspicuously and appropriately publish on each copy an appropriate\n"); 6189ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "copyright notice and disclaimer of warranty; keep intact all the\n"); 6190ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "notices that refer to this License and to the absence of any warranty;\n"); 6191ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "and give any other recipients of the Program a copy of this License\n"); 6192ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "along with the Program.\n"); 6193ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6194ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "You may charge a fee for the physical act of transferring a copy, and\n"); 6195ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "you may at your option offer warranty protection in exchange for a fee.\n"); 6196ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6197ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 2. You may modify your copy or copies of the Program or any portion\n"); 6198ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "of it, thus forming a work based on the Program, and copy and\n"); 6199ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "distribute such modifications or work under the terms of Section 1\n"); 6200ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "above, provided that you also meet all of these conditions:\n"); 6201ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6202ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " a) You must cause the modified files to carry prominent notices\n"); 6203ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " stating that you changed the files and the date of any change.\n"); 6204ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6205ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " b) You must cause any work that you distribute or publish, that in\n"); 6206ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " whole or in part contains or is derived from the Program or any\n"); 6207ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " part thereof, to be licensed as a whole at no charge to all third\n"); 6208ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " parties under the terms of this License.\n"); 6209ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6210ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " c) If the modified program normally reads commands interactively\n"); 6211ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " when run, you must cause it, when started running for such\n"); 6212ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " interactive use in the most ordinary way, to print or display an\n"); 6213ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " announcement including an appropriate copyright notice and a\n"); 6214ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " notice that there is no warranty (or else, saying that you provide\n"); 6215ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " a warranty) and that users may redistribute the program under\n"); 6216ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " these conditions, and telling the user how to view a copy of this\n"); 6217ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " License. (Exception: if the Program itself is interactive but\n"); 6218ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " does not normally print such an announcement, your work based on\n"); 6219ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " the Program is not required to print an announcement.)\n"); 6220ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6221ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "These requirements apply to the modified work as a whole. If\n"); 6222ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "identifiable sections of that work are not derived from the Program,\n"); 6223ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "and can be reasonably considered independent and separate works in\n"); 6224ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "themselves, then this License, and its terms, do not apply to those\n"); 6225ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "sections when you distribute them as separate works. But when you\n"); 6226ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "distribute the same sections as part of a whole which is a work based\n"); 6227ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "on the Program, the distribution of the whole must be on the terms of\n"); 6228ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "this License, whose permissions for other licensees extend to the\n"); 6229ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "entire whole, and thus to each and every part regardless of who wrote it.\n"); 6230ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6231ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Thus, it is not the intent of this section to claim rights or contest\n"); 6232ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "your rights to work written entirely by you; rather, the intent is to\n"); 6233ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "exercise the right to control the distribution of derivative or\n"); 6234ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "collective works based on the Program.\n"); 6235ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6236ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "In addition, mere aggregation of another work not based on the Program\n"); 6237ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "with the Program (or with a work based on the Program) on a volume of\n"); 6238ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "a storage or distribution medium does not bring the other work under\n"); 6239ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "the scope of this License.\n"); 6240ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6241ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 3. You may copy and distribute the Program (or a work based on it,\n"); 6242ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "under Section 2) in object code or executable form under the terms of\n"); 6243ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Sections 1 and 2 above provided that you also do one of the following:\n"); 6244ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6245ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " a) Accompany it with the complete corresponding machine-readable\n"); 6246ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " source code, which must be distributed under the terms of Sections\n"); 6247ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 1 and 2 above on a medium customarily used for software interchange; or,\n"); 6248ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6249ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " b) Accompany it with a written offer, valid for at least three\n"); 6250ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " years, to give any third party, for a charge no more than your\n"); 6251ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " cost of physically performing source distribution, a complete\n"); 6252ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " machine-readable copy of the corresponding source code, to be\n"); 6253ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " distributed under the terms of Sections 1 and 2 above on a medium\n"); 6254ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " customarily used for software interchange; or,\n"); 6255ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6256ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " c) Accompany it with the information you received as to the offer\n"); 6257ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " to distribute corresponding source code. (This alternative is\n"); 6258ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " allowed only for noncommercial distribution and only if you\n"); 6259ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " received the program in object code or executable form with such\n"); 6260ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " an offer, in accord with Subsection b above.)\n"); 6261ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6262ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "The source code for a work means the preferred form of the work for\n"); 6263ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "making modifications to it. For an executable work, complete source\n"); 6264ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "code means all the source code for all modules it contains, plus any\n"); 6265ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "associated interface definition files, plus the scripts used to\n"); 6266ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "control compilation and installation of the executable. However, as a\n"); 6267ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "special exception, the source code distributed need not include\n"); 6268ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "anything that is normally distributed (in either source or binary\n"); 6269ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "form) with the major components (compiler, kernel, and so on) of the\n"); 6270ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "operating system on which the executable runs, unless that component\n"); 6271ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "itself accompanies the executable.\n"); 6272ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6273ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "If distribution of executable or object code is made by offering\n"); 6274ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "access to copy from a designated place, then offering equivalent\n"); 6275ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "access to copy the source code from the same place counts as\n"); 6276ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "distribution of the source code, even though third parties are not\n"); 6277ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "compelled to copy the source along with the object code.\n"); 6278ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6279ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 4. You may not copy, modify, sublicense, or distribute the Program\n"); 6280ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "except as expressly provided under this License. Any attempt\n"); 6281ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "otherwise to copy, modify, sublicense or distribute the Program is\n"); 6282ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "void, and will automatically terminate your rights under this License.\n"); 6283ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "However, parties who have received copies, or rights, from you under\n"); 6284ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "this License will not have their licenses terminated so long as such\n"); 6285ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "parties remain in full compliance.\n"); 6286ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6287ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 5. You are not required to accept this License, since you have not\n"); 6288ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "signed it. However, nothing else grants you permission to modify or\n"); 6289ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "distribute the Program or its derivative works. These actions are\n"); 6290ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "prohibited by law if you do not accept this License. Therefore, by\n"); 6291ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "modifying or distributing the Program (or any work based on the\n"); 6292ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Program), you indicate your acceptance of this License to do so, and\n"); 6293ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "all its terms and conditions for copying, distributing or modifying\n"); 6294ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "the Program or works based on it.\n"); 6295ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6296ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 6. Each time you redistribute the Program (or any work based on the\n"); 6297ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Program), the recipient automatically receives a license from the\n"); 6298ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "original licensor to copy, distribute or modify the Program subject to\n"); 6299ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "these terms and conditions. You may not impose any further\n"); 6300ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "restrictions on the recipients' exercise of the rights granted herein.\n"); 6301ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "You are not responsible for enforcing compliance by third parties to\n"); 6302ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "this License.\n"); 6303ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6304ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 7. If, as a consequence of a court judgment or allegation of patent\n"); 6305ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "infringement or for any other reason (not limited to patent issues),\n"); 6306ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "conditions are imposed on you (whether by court order, agreement or\n"); 6307ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "otherwise) that contradict the conditions of this License, they do not\n"); 6308ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "excuse you from the conditions of this License. If you cannot\n"); 6309ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "distribute so as to satisfy simultaneously your obligations under this\n"); 6310ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "License and any other pertinent obligations, then as a consequence you\n"); 6311ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "may not distribute the Program at all. For example, if a patent\n"); 6312ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "license would not permit royalty-free redistribution of the Program by\n"); 6313ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "all those who receive copies directly or indirectly through you, then\n"); 6314ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "the only way you could satisfy both it and this License would be to\n"); 6315ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "refrain entirely from distribution of the Program.\n"); 6316ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6317ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "If any portion of this section is held invalid or unenforceable under\n"); 6318ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "any particular circumstance, the balance of the section is intended to\n"); 6319ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "apply and the section as a whole is intended to apply in other\n"); 6320ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "circumstances.\n"); 6321ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6322ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "It is not the purpose of this section to induce you to infringe any\n"); 6323ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "patents or other property right claims or to contest validity of any\n"); 6324ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "such claims; this section has the sole purpose of protecting the\n"); 6325ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "integrity of the free software distribution system, which is\n"); 6326ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "implemented by public license practices. Many people have made\n"); 6327ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "generous contributions to the wide range of software distributed\n"); 6328ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "through that system in reliance on consistent application of that\n"); 6329ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "system; it is up to the author/donor to decide if he or she is willing\n"); 6330ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "to distribute software through any other system and a licensee cannot\n"); 6331ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "impose that choice.\n"); 6332ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6333ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "This section is intended to make thoroughly clear what is believed to\n"); 6334ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "be a consequence of the rest of this License.\n"); 6335ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6336ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 8. If the distribution and/or use of the Program is restricted in\n"); 6337ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "certain countries either by patents or by copyrighted interfaces, the\n"); 6338ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "original copyright holder who places the Program under this License\n"); 6339ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "may add an explicit geographical distribution limitation excluding\n"); 6340ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "those countries, so that distribution is permitted only in or among\n"); 6341ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "countries not thus excluded. In such case, this License incorporates\n"); 6342ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "the limitation as if written in the body of this License.\n"); 6343ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6344ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 9. The Free Software Foundation may publish revised and/or new versions\n"); 6345ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "of the General Public License from time to time. Such new versions will\n"); 6346ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "be similar in spirit to the present version, but may differ in detail to\n"); 6347ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "address new problems or concerns.\n"); 6348ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6349ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Each version is given a distinguishing version number. If the Program\n"); 6350ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "specifies a version number of this License which applies to it and any\n"); 6351ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "later version, you have the option of following the terms and conditions\n"); 6352ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "either of that version or of any later version published by the Free\n"); 6353ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Software Foundation. If the Program does not specify a version number of\n"); 6354ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "this License, you may choose any version ever published by the Free Software\n"); 6355ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Foundation.\n"); 6356ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6357ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 10. If you wish to incorporate parts of the Program into other free\n"); 6358ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "programs whose distribution conditions are different, write to the author\n"); 6359ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "to ask for permission. For software which is copyrighted by the Free\n"); 6360ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Software Foundation, write to the Free Software Foundation; we sometimes\n"); 6361ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "make exceptions for this. Our decision will be guided by the two goals\n"); 6362ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "of preserving the free status of all derivatives of our free software and\n"); 6363ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "of promoting the sharing and reuse of software generally.\n"); 6364ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6365ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " NO WARRANTY\n"); 6366ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6367ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY\n"); 6368ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN\n"); 6369ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES\n"); 6370ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "PROVIDE THE PROGRAM AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED\n"); 6371ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\n"); 6372ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS\n"); 6373ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE\n"); 6374ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,\n"); 6375ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "REPAIR OR CORRECTION.\n"); 6376ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6377ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING\n"); 6378ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR\n"); 6379ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,\n"); 6380ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING\n"); 6381ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED\n"); 6382ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY\n"); 6383ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER\n"); 6384ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE\n"); 6385ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "POSSIBILITY OF SUCH DAMAGES.\n"); 6386ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6387ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " END OF TERMS AND CONDITIONS\n"); 6388ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6389ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " How to Apply These Terms to Your New Programs\n"); 6390ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6391ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " If you develop a new program, and you want it to be of the greatest\n"); 6392ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "possible use to the public, the best way to achieve this is to make it\n"); 6393ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "free software which everyone can redistribute and change under these terms.\n"); 6394ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6395ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " To do so, attach the following notices to the program. It is safest\n"); 6396ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "to attach them to the start of each source file to most effectively\n"); 6397ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "convey the exclusion of warranty; and each file should have at least\n"); 6398ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "the copyright line and a pointer to where the full notice is found.\n"); 6399ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6400ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " <one line to give the program's name and a brief idea of what it does.>\n"); 6401ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Copyright (C) <year> <name of author>\n"); 6402ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6403ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " This program is free software; you can redistribute it and/or modify\n"); 6404ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " it under the terms of the GNU General Public License as published by\n"); 6405ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " the Free Software Foundation; either version 2 of the License, or\n"); 6406ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " (at your option) any later version.\n"); 6407ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6408ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " This program is distributed in the hope that it will be useful,\n"); 6409ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " but WITHOUT ANY WARRANTY; without even the implied warranty of\n"); 6410ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"); 6411ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " GNU General Public License for more details.\n"); 6412ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6413ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " You should have received a copy of the GNU General Public License\n"); 6414ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " along with this program; if not, write to the Free Software\n"); 6415ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"); 6416ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6417ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6418ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Also add information on how to contact you by electronic and paper mail.\n"); 6419ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6420ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "If the program is interactive, make it output a short notice like this\n"); 6421ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "when it starts in an interactive mode:\n"); 6422ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6423ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Gnomovision version 69, Copyright (C) year name of author\n"); 6424ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.\n"); 6425ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " This is free software, and you are welcome to redistribute it\n"); 6426ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " under certain conditions; type `show c' for details.\n"); 6427ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6428ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "The hypothetical commands `show w' and `show c' should show the appropriate\n"); 6429ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "parts of the General Public License. Of course, the commands you use may\n"); 6430ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "be called something other than `show w' and `show c'; they could even be\n"); 6431ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "mouse-clicks or menu items--whatever suits your program.\n"); 6432ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6433ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "You should also get your employer (if you work as a programmer) or your\n"); 6434ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "school, if any, to sign a copyright disclaimer for the program, if\n"); 6435ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "necessary. Here is a sample; alter the names:\n"); 6436ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6437ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Yoyodyne, Inc., hereby disclaims all copyright interest in the program\n"); 6438ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " `Gnomovision' (which makes passes at compilers) written by James Hacker.\n"); 6439ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6440ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " <signature of Ty Coon>, 1 April 1989\n"); 6441ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, " Ty Coon, President of Vice\n"); 6442ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6443ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "This General Public License does not permit incorporating your program into\n"); 6444ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "proprietary programs. If your program is a subroutine library, you may\n"); 6445ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "consider it more useful to permit linking proprietary applications with the\n"); 6446ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "library. If this is what you want to do, use the GNU Library General\n"); 6447ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "Public License instead of this License.\n"); 6448ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6449ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown my_strcat(inbuf, "\n"); 6450ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 6451ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6452ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6453ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <stdio.h> 6454ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#include <assert.h> 6455ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6456ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown/* For providing services. */ 6457ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic HWord g_serviceFn ( HWord arg1, HWord arg2 ) 6458ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 6459ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown switch (arg1) { 6460ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 0: /* EXIT */ 6461ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown exit(0); 6462ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 1: /* PUTC */ 6463ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown putchar(arg2); 6464ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; 6465ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 2: /* MALLOC */ 6466ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return (HWord)malloc(arg2); 6467ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown case 3: /* FREE */ 6468ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown free((void*)arg2); 6469ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; 6470ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown default: 6471ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown assert(0); 6472ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 6473ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; 6474ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 6475ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownstatic char *bzerrorstrings[] = { 6476ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown "OK" 6477ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"SEQUENCE_ERROR" 6478ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"PARAM_ERROR" 6479ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"MEM_ERROR" 6480ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"DATA_ERROR" 6481ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"DATA_ERROR_MAGIC" 6482ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"IO_ERROR" 6483ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"UNEXPECTED_EOF" 6484ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"OUTBUFF_FULL" 6485ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"CONFIG_ERROR" 6486ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6487ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6488ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6489ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6490ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6491ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown ,"???" /* for future */ 6492ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown}; 6493ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6494ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// If given a cmd line arg, behave as a correctness regtest 6495ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// (run fast and be verbose). If not, run for a long time 6496ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown// which is what is needed for the performance suite. 6497ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brownint main ( int argc, char** argv ) 6498ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown{ 6499ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int r; 6500ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int bit; 6501ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int i; 6502ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6503ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown int regtest; 6504ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown assert(argc == 1 || argc == 2); 6505ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown regtest = argc==2; 6506ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6507ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /* hardwire one particular behaviour */ 6508ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown regtest = 1; 6509ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6510ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown serviceFn = g_serviceFn; 6511ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6512ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown set_inbuf(); 6513ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nIn = vex_strlen(inbuf)+1; 6514ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf( "%d bytes read\n", nIn ); 6515ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6516ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nZ = M_BLOCK; 6517ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown r = BZ2_bzBuffToBuffCompress ( 6518ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown zbuf, &nZ, inbuf, nIn, 9, 3/*verb*/, 30 ); 6519ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6520ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (r != BZ_OK) { 6521ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf("initial compress failed!\n"); 6522ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*serviceFn)(0,0); 6523ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 6524ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf( "%d after compression\n", nZ ); 6525ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6526ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (bit = 0; bit < nZ*8; bit += (bit < 35 ? 3 : (regtest?2377:137))) { 6527ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (bit >= 11920) break; 6528ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (regtest) 6529ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf( "bit %d ", bit ); 6530ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown flip_bit ( bit ); 6531ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown nOut = M_BLOCK_OUT; 6532ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown r = BZ2_bzBuffToBuffDecompress ( 6533ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown outbuf, &nOut, zbuf, nZ, 1/*small*/, 0 ); 6534ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (regtest) 6535ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf( " %d %s ", r, bzerrorstrings[-r] ); 6536ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6537ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (r != BZ_OK) { 6538ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (regtest) 6539ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf( "\n" ); 6540ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 6541ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (nOut != nIn) { 6542ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf( "nIn/nOut mismatch %d %d\n", nIn, nOut ); 6543ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*serviceFn)(0,0); 6544ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } else { 6545ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nOut; i++) 6546ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (inbuf[i] != outbuf[i]) { 6547ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf( "mismatch at %d\n", i ); 6548ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*serviceFn)(0,0); 6549ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 6550ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (i == nOut) vex_printf( "really ok!\n" ); 6551ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 6552ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 6553ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6554ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown flip_bit ( bit ); 6555ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 6556ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6557ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#if 0 6558ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown assert (nOut == nIn); 6559ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown for (i = 0; i < nOut; i++) { 6560ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown if (inbuf[i] != outbuf[i]) { 6561ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf( "difference at %d !\n", i ); 6562ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 1; 6563ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 6564ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown } 6565ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown#endif 6566ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown 6567ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown vex_printf( "all ok\n" ); 6568ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown (*serviceFn)(0,0); 6569ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown /*NOTREACHED*/ 6570ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown return 0; 6571ed07e00d438c74b7a23c01bfffde77e3968305e4Jeff Brown} 6572