hb-private.hh revision d1c9eb458c843215da8df84b596bfae51fee135b
164aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod/* 22409d5f8d7dd8b535ce5ea29e933f7db27d33793Behdad Esfahbod * Copyright © 2007,2008,2009 Red Hat, Inc. 32409d5f8d7dd8b535ce5ea29e933f7db27d33793Behdad Esfahbod * Copyright © 2011 Google, Inc. 464aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 5c755cb3e3ac55156d0d2ec05adea7a650b97cc41Behdad Esfahbod * This is part of HarfBuzz, a text shaping library. 664aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 764aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * Permission is hereby granted, without written agreement and without 864aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * license or royalty fees, to use, copy, modify, and distribute this 964aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * software and its documentation for any purpose, provided that the 1064aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * above copyright notice and the following two paragraphs appear in 1164aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * all copies of this software. 1264aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 1364aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 1464aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 1564aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 1664aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 1764aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * DAMAGE. 1864aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 1964aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 2064aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 2164aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 2264aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 2364aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 2464aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * 2564aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod * Red Hat Author(s): Behdad Esfahbod 262409d5f8d7dd8b535ce5ea29e933f7db27d33793Behdad Esfahbod * Google Author(s): Behdad Esfahbod 2764aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod */ 2864aef3a54999496fd1de4f5aa5b019e4c03b3836Behdad Esfahbod 29c57d454accff66e5f2c58006e8fb40bc020b6182Behdad Esfahbod#ifndef HB_PRIVATE_HH 30c57d454accff66e5f2c58006e8fb40bc020b6182Behdad Esfahbod#define HB_PRIVATE_HH 315b3f7702a64fe0513d08a67bdb72704e46fd7cd4Behdad Esfahbod 325ddd9cc499f2470eca239ae357a5c8a3626c0809Behdad Esfahbod#ifdef HAVE_CONFIG_H 33df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#include "config.h" 34df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 35c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 36d1c9eb458c843215da8df84b596bfae51fee135bBehdad Esfahbod#include "hb.h" 37d1c9eb458c843215da8df84b596bfae51fee135bBehdad Esfahbod#include "hb-ot.h" 38d1c9eb458c843215da8df84b596bfae51fee135bBehdad Esfahbod#define HB_H_IN 39d1c9eb458c843215da8df84b596bfae51fee135bBehdad Esfahbod#define HB_OT_H_IN 40b28815c1f6e46d38471cacbc31248ca6fda8c4d1Behdad Esfahbod 41c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#include <stdlib.h> 42b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod#include <stddef.h> 43f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod#include <string.h> 44f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod#include <assert.h> 451d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod 461d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod/* We only use these two for debug output. However, the debug code is 471d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod * always seen by the compiler (and optimized out in non-debug builds. 481d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod * If including these becomes a problem, we can start thinking about 491d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod * someway around that. */ 507acb389569cf99c6bae9db31a8ed7c7007fbb566Behdad Esfahbod#include <stdio.h> 517acb389569cf99c6bae9db31a8ed7c7007fbb566Behdad Esfahbod#include <errno.h> 52cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod#include <stdarg.h> 53c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 54acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod 55bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 56bc200457430c083914a64bf4b056153506749610Behdad Esfahbod/* Essentials */ 57bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 58bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#ifndef NULL 59bc200457430c083914a64bf4b056153506749610Behdad Esfahbod# define NULL ((void *) 0) 60bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#endif 61bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 62bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#undef FALSE 63bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#define FALSE 0 64bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 65bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#undef TRUE 66bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#define TRUE 1 67df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 68a794ebf4be9896393f4badf02905a4007981a588Behdad Esfahbod 69c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod/* Basics */ 70c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 71153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod 72c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#undef MIN 73153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodtemplate <typename Type> static inline Type MIN (const Type &a, const Type &b) { return a < b ? a : b; } 747586089c6fa8185cad8387869d3703c637e5cbb1Behdad Esfahbod 758a3511ac6c795226699c2b36e03401ecdf88f5f8Behdad Esfahbod#undef MAX 76153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodtemplate <typename Type> static inline Type MAX (const Type &a, const Type &b) { return a > b ? a : b; } 77153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod 788a3511ac6c795226699c2b36e03401ecdf88f5f8Behdad Esfahbod 794591753ad4b5ec0224e3f1befdfe4fc5f6075562Behdad Esfahbod#undef ARRAY_LENGTH 804591753ad4b5ec0224e3f1befdfe4fc5f6075562Behdad Esfahbod#define ARRAY_LENGTH(__array) ((signed int) (sizeof (__array) / sizeof (__array[0]))) 8112360f7c159826ae72271b34486dee59d96aa8caBehdad Esfahbod 8235a7383c6138fd705560f0d4bb30659cbd1ab64cBehdad Esfahbod#define HB_STMT_START do 8335a7383c6138fd705560f0d4bb30659cbd1ab64cBehdad Esfahbod#define HB_STMT_END while (0) 845b3f7702a64fe0513d08a67bdb72704e46fd7cd4Behdad Esfahbod 85303fe62824d4e99df554b6bfaacba05d068522fbBehdad Esfahbod#define _ASSERT_STATIC1(_line, _cond) typedef int _static_assert_on_line_##_line##_failed[(_cond)?1:-1] 86303fe62824d4e99df554b6bfaacba05d068522fbBehdad Esfahbod#define _ASSERT_STATIC0(_line, _cond) _ASSERT_STATIC1 (_line, (_cond)) 87303fe62824d4e99df554b6bfaacba05d068522fbBehdad Esfahbod#define ASSERT_STATIC(_cond) _ASSERT_STATIC0 (__LINE__, (_cond)) 88303fe62824d4e99df554b6bfaacba05d068522fbBehdad Esfahbod 89dcb7026f33cbcdf60e9b7fcdd44c64cc08702c74Behdad Esfahbod#define ASSERT_STATIC_EXPR(_cond) ((void) sizeof (char[(_cond) ? 1 : -1])) 904ec30aec3014be6effc09cbbc88dcd075f3826dfBehdad Esfahbod#define ASSERT_STATIC_EXPR_ZERO(_cond) (0 * sizeof (char[(_cond) ? 1 : -1])) 91dcb7026f33cbcdf60e9b7fcdd44c64cc08702c74Behdad Esfahbod 92bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 936fd5364bdc3a2b459175377e9e16c86cff054232Behdad Esfahbod/* Lets assert int types. Saves trouble down the road. */ 946fd5364bdc3a2b459175377e9e16c86cff054232Behdad Esfahbod 956fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (int8_t) == 1); 966fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (uint8_t) == 1); 976fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (int16_t) == 2); 986fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (uint16_t) == 2); 996fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (int32_t) == 4); 1006fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (uint32_t) == 4); 1016fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (int64_t) == 8); 1026fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (uint64_t) == 8); 1036fd5364bdc3a2b459175377e9e16c86cff054232Behdad Esfahbod 104b13640de6992de9ee9d07e3581c33b8181b70ff9Behdad EsfahbodASSERT_STATIC (sizeof (hb_codepoint_t) == 4); 105b13640de6992de9ee9d07e3581c33b8181b70ff9Behdad EsfahbodASSERT_STATIC (sizeof (hb_position_t) == 4); 106b13640de6992de9ee9d07e3581c33b8181b70ff9Behdad EsfahbodASSERT_STATIC (sizeof (hb_mask_t) == 4); 107ae9eeaff9300f3bb7bed588c5478e8e5461b3df0Behdad EsfahbodASSERT_STATIC (sizeof (hb_var_int_t) == 4); 1086fd5364bdc3a2b459175377e9e16c86cff054232Behdad Esfahbod 109bc200457430c083914a64bf4b056153506749610Behdad Esfahbod/* Misc */ 110bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 111c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 112df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) 113494d28ad988e505c1c45cc35a7ec6b880cfec5fcBehdad Esfahbod#define _HB_BOOLEAN_EXPR(expr) ((expr) ? 1 : 0) 11464d3fc8d0dada673245cc8c0b1c12cd849b30997Behdad Esfahbod#define likely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 1)) 11564d3fc8d0dada673245cc8c0b1c12cd849b30997Behdad Esfahbod#define unlikely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 0)) 116df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#else 11764d3fc8d0dada673245cc8c0b1c12cd849b30997Behdad Esfahbod#define likely(expr) (expr) 11864d3fc8d0dada673245cc8c0b1c12cd849b30997Behdad Esfahbod#define unlikely(expr) (expr) 119df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 120df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 121df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#ifndef __GNUC__ 122df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#undef __attribute__ 123df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#define __attribute__(x) 124df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 125df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 126df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#if __GNUC__ >= 3 12733d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_PURE_FUNC __attribute__((pure)) 12833d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_CONST_FUNC __attribute__((const)) 129cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod#define HB_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (__printf__, format_idx, arg_idx))) 130df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#else 13133d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_PURE_FUNC 13233d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_CONST_FUNC 13344b4f50d05fd51d8056a78e359fbb00fbcac43a0Behdad Esfahbod#define HB_PRINTF_FUNC(format_idx, arg_idx) 134df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 135bc7830e4259755ce7549025c6f5bf750e78c2ff1Behdad Esfahbod#if __GNUC__ >= 4 13633d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_UNUSED __attribute__((unused)) 137bc7830e4259755ce7549025c6f5bf750e78c2ff1Behdad Esfahbod#else 13833d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_UNUSED 139bc7830e4259755ce7549025c6f5bf750e78c2ff1Behdad Esfahbod#endif 140df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 141eee8598d75d3af692d9ececf7e8ac458e892ba9eBehdad Esfahbod#ifndef HB_INTERNAL 142f60271c0c2b0101e7b2725f9a9ad950c277a616cBehdad Esfahbod# ifndef __MINGW32__ 143f60271c0c2b0101e7b2725f9a9ad950c277a616cBehdad Esfahbod# define HB_INTERNAL __attribute__((__visibility__("hidden"))) 144f60271c0c2b0101e7b2725f9a9ad950c277a616cBehdad Esfahbod# else 145f60271c0c2b0101e7b2725f9a9ad950c277a616cBehdad Esfahbod# define HB_INTERNAL 146f60271c0c2b0101e7b2725f9a9ad950c277a616cBehdad Esfahbod# endif 147eee8598d75d3af692d9ececf7e8ac458e892ba9eBehdad Esfahbod#endif 148eee8598d75d3af692d9ececf7e8ac458e892ba9eBehdad Esfahbod 149df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 150df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#if (defined(__WIN32__) && !defined(__WINE__)) || defined(_MSC_VER) 151df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#define snprintf _snprintf 152df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 153df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 154df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#ifdef _MSC_VER 155df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#undef inline 156df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#define inline __inline 157df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 158df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 159df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#ifdef __STRICT_ANSI__ 160df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#undef inline 161df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#define inline __inline__ 162df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 163df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 164df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 1657d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#if __GNUC__ >= 3 1667d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#define HB_FUNC __PRETTY_FUNCTION__ 1677d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#elif defined(_MSC_VER) 1687d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#define HB_FUNC __FUNCSIG__ 1697d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#else 1707d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#define HB_FUNC __func__ 1717d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#endif 1727d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod 1737d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod 1749b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod/* Return the number of 1 bits in mask. */ 17597e7f8f305c47caf2968a9da3b8407825547286dBehdad Esfahbodstatic inline HB_CONST_FUNC unsigned int 176c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod_hb_popcount32 (uint32_t mask) 177c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod{ 178c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) 1799b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod return __builtin_popcount (mask); 180c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#else 1819b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod /* "HACKMEM 169" */ 1829b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod register uint32_t y; 1839b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod y = (mask >> 1) &033333333333; 1849b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod y = mask - y - ((y >>1) & 033333333333); 1859b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod return (((y + (y >> 3)) & 030707070707) % 077); 186c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#endif 187c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod} 188c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 1899b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod/* Returns the number of bits needed to store number */ 1909b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbodstatic inline HB_CONST_FUNC unsigned int 1919b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod_hb_bit_storage (unsigned int number) 1929b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod{ 1939b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__) 194f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod return likely (number) ? (sizeof (unsigned int) * 8 - __builtin_clz (number)) : 0; 1959b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod#else 1969b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod register unsigned int n_bits = 0; 1979b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod while (number) { 1989b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod n_bits++; 1999b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod number >>= 1; 2009b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod } 2019b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod return n_bits; 2029b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod#endif 2039b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod} 204df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 205f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod/* Returns the number of zero bits in the least significant side of number */ 206f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbodstatic inline HB_CONST_FUNC unsigned int 207f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod_hb_ctz (unsigned int number) 208f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod{ 209f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__) 210f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod return likely (number) ? __builtin_ctz (number) : 0; 211f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod#else 212f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod register unsigned int n_bits = 0; 213f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod if (unlikely (!number)) return 0; 214f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod while (!(number & 1)) { 215f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod n_bits++; 216f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod number >>= 1; 217f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod } 218f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod return n_bits; 219f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod#endif 220f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod} 221f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod 222080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbodstatic inline bool 223080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod_hb_unsigned_int_mul_overflows (unsigned int count, unsigned int size) 224080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod{ 225080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod return (size > 0) && (count >= ((unsigned int) -1) / size); 226080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod} 227080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod 228080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod 2298f08c3275040870a645ef034a38d30c05c619f21Behdad Esfahbod/* Type of bsearch() / qsort() compare function */ 2308f08c3275040870a645ef034a38d30c05c619f21Behdad Esfahbodtypedef int (*hb_compare_func_t) (const void *, const void *); 2318f08c3275040870a645ef034a38d30c05c619f21Behdad Esfahbod 2328f08c3275040870a645ef034a38d30c05c619f21Behdad Esfahbod 233852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 234852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 235852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod/* arrays and maps */ 236852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 237852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 238852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodtemplate <typename Type, unsigned int StaticSize> 239b214ec3ac0ce6568e9226fd09661d52de11dca96Behdad Esfahbodstruct hb_prealloced_array_t { 240852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 241852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod unsigned int len; 242852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod unsigned int allocated; 243852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod Type *array; 244852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod Type static_array[StaticSize]; 245852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 246efde8113258b117ec0a7fbffe6d681442d045c41Behdad Esfahbod hb_prealloced_array_t (void) { memset (this, 0, sizeof (*this)); } 247efde8113258b117ec0a7fbffe6d681442d045c41Behdad Esfahbod 248265ac614ea6d26041c7d64739098b76a82bbc4f4Behdad Esfahbod inline Type& operator [] (unsigned int i) { return array[i]; } 249265ac614ea6d26041c7d64739098b76a82bbc4f4Behdad Esfahbod inline const Type& operator [] (unsigned int i) const { return array[i]; } 250852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 251852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline Type *push (void) 252852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 253852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (!array) { 254852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod array = static_array; 255852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod allocated = ARRAY_LENGTH (static_array); 256852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 257852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (likely (len < allocated)) 258852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return &array[len++]; 2595a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod 260852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod /* Need to reallocate */ 261852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod unsigned int new_allocated = allocated + (allocated >> 1) + 8; 2625a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod Type *new_array = NULL; 2635a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod 264852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (array == static_array) { 265852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod new_array = (Type *) calloc (new_allocated, sizeof (Type)); 2665a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod if (new_array) 267852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod memcpy (new_array, array, len * sizeof (Type)); 268852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } else { 269080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod bool overflows = (new_allocated < allocated) || _hb_unsigned_int_mul_overflows (new_allocated, sizeof (Type)); 2705a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod if (likely (!overflows)) { 271852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod new_array = (Type *) realloc (array, new_allocated * sizeof (Type)); 272852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 273852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 2745a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod 2755a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod if (unlikely (!new_array)) 276852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return NULL; 2775a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod 2785a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod array = new_array; 2795a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod allocated = new_allocated; 2805a5030366e40baa8d96ca67b47a52ad5af143157Behdad Esfahbod return &array[len++]; 281852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 282852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 283852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline void pop (void) 284852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 285852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod len--; 286852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod /* TODO: shrink array if needed */ 287852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 28844b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod 28944b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod inline void shrink (unsigned int l) 29044b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod { 29144b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod if (l < len) 29244b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod len = l; 29344b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod /* TODO: shrink array if needed */ 29444b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod } 29544b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod 2966843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod template <typename T> 2976843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod inline Type *find (T v) { 2986843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod for (unsigned int i = 0; i < len; i++) 2996843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod if (array[i] == v) 3006843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod return &array[i]; 3016843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod return NULL; 3026843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod } 3036843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod template <typename T> 3046843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod inline const Type *find (T v) const { 3056843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod for (unsigned int i = 0; i < len; i++) 3066843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod if (array[i] == v) 3076843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod return &array[i]; 3086843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod return NULL; 3096843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod } 3106843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod 31144b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod inline void sort (void) 31244b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod { 31344b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod qsort (array, len, sizeof (Type), (hb_compare_func_t) Type::cmp); 31444b0a4d2fc62689fc56ef57f412b4bb1e439a614Behdad Esfahbod } 3156843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod 316b70c96dbe41d6512b80fe3d966a1942e1ef64a4bBehdad Esfahbod inline void sort (unsigned int start, unsigned int end) 317b70c96dbe41d6512b80fe3d966a1942e1ef64a4bBehdad Esfahbod { 318b70c96dbe41d6512b80fe3d966a1942e1ef64a4bBehdad Esfahbod qsort (array + start, end - start, sizeof (Type), (hb_compare_func_t) Type::cmp); 319b70c96dbe41d6512b80fe3d966a1942e1ef64a4bBehdad Esfahbod } 320b70c96dbe41d6512b80fe3d966a1942e1ef64a4bBehdad Esfahbod 3216843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod template <typename T> 3226843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod inline Type *bsearch (T *key) 3236843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod { 3246843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod return (Type *) ::bsearch (key, array, len, sizeof (Type), (hb_compare_func_t) Type::cmp); 3256843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod } 3266843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod template <typename T> 3276843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod inline const Type *bsearch (T *key) const 3286843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod { 3296843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod return (const Type *) ::bsearch (key, array, len, sizeof (Type), (hb_compare_func_t) Type::cmp); 3306843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod } 3316a7ac79e26e85f6781186cf708a12825c0857324Behdad Esfahbod 3326a7ac79e26e85f6781186cf708a12825c0857324Behdad Esfahbod inline void finish (void) 3336a7ac79e26e85f6781186cf708a12825c0857324Behdad Esfahbod { 3346a7ac79e26e85f6781186cf708a12825c0857324Behdad Esfahbod if (array != static_array) 3356a7ac79e26e85f6781186cf708a12825c0857324Behdad Esfahbod free (array); 3366a7ac79e26e85f6781186cf708a12825c0857324Behdad Esfahbod array = NULL; 3376a7ac79e26e85f6781186cf708a12825c0857324Behdad Esfahbod allocated = len = 0; 3386a7ac79e26e85f6781186cf708a12825c0857324Behdad Esfahbod } 339852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod}; 340852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 341852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodtemplate <typename Type> 342b214ec3ac0ce6568e9226fd09661d52de11dca96Behdad Esfahbodstruct hb_array_t : hb_prealloced_array_t<Type, 2> {}; 343a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 344a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 34545bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbodtemplate <typename item_t, typename lock_t> 34645bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbodstruct hb_lockable_set_t 347852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod{ 348852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod hb_array_t <item_t> items; 349852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 350478a42536ff7ab777a7774fbfdb9c5e51334a14eBehdad Esfahbod template <typename T> 35133ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod inline item_t *replace_or_insert (T v, lock_t &l, bool replace) 352852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 35345bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.lock (); 3546843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod item_t *item = items.find (v); 35545bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod if (item) { 35633ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod if (replace) { 35733ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod item_t old = *item; 35833ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod *item = v; 35933ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod l.unlock (); 36033ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod old.finish (); 36133ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod } 36233ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod else { 36333ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod item = NULL; 36433ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod l.unlock (); 36533ccc77902660ed4b49184e5ec99f4fd0ef63175Behdad Esfahbod } 36645bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod } else { 367852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item = items.push (); 36845bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod if (likely (item)) 36945bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod *item = v; 37045bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.unlock (); 37145bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod } 372b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod return item; 373852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 374852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 375811482bd650fb5652a9835471ae8ecf0fb185611Behdad Esfahbod template <typename T> 37645bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod inline void remove (T v, lock_t &l) 377852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 37845bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.lock (); 3796843569d2c70c1771ce964e3d1a4cf91e14e7687Behdad Esfahbod item_t *item = items.find (v); 38045bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod if (item) { 38145bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod item_t old = *item; 38245bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod *item = items[items.len - 1]; 38345bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod items.pop (); 38445bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.unlock (); 38545bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod old.finish (); 38645bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod } else { 38745bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.unlock (); 38845bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod } 389852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 390a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 391478a42536ff7ab777a7774fbfdb9c5e51334a14eBehdad Esfahbod template <typename T> 39245bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod inline bool find (T v, item_t *i, lock_t &l) 393852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 39445bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.lock (); 39545bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod item_t *item = items.find (v); 39645bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod if (item) 39745bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod *i = *item; 39845bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.unlock (); 39945bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod return !!item; 400811482bd650fb5652a9835471ae8ecf0fb185611Behdad Esfahbod } 401811482bd650fb5652a9835471ae8ecf0fb185611Behdad Esfahbod 402b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod template <typename T> 40345bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod inline item_t *find_or_insert (T v, lock_t &l) 40445bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod { 40545bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.lock (); 40645bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod item_t *item = items.find (v); 407b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod if (!item) { 408b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod item = items.push (); 409b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod if (likely (item)) 410b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod *item = v; 411b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod } 41245bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.unlock (); 413b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod return item; 414b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod } 415b45f32ee4e599c515ce93e44315283d236b073bbBehdad Esfahbod 41645bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod inline void finish (lock_t &l) 41745bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod { 41845bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.lock (); 41945bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod while (items.len) { 42045bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod item_t old = items[items.len - 1]; 42145bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod items.pop (); 42245bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.unlock (); 42345bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod old.finish (); 42445bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.lock (); 42545bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod } 4266a7ac79e26e85f6781186cf708a12825c0857324Behdad Esfahbod items.finish (); 42745bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod l.unlock (); 42845bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod } 42945bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod 43045bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod}; 43145bfa99034512e886d75b1d45a5a649647f4711fBehdad Esfahbod 432852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 433a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 434a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 435f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod/* Big-endian handling */ 436f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 437153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline uint16_t hb_be_uint16 (const uint16_t v) 438153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ 439153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod const uint8_t *V = (const uint8_t *) &v; 440153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod return (uint16_t) (V[0] << 8) + V[1]; 441153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod} 4427a52f281178867379adb6e6c6fb0022102f75d17Behdad Esfahbod 443e032ed9f75d4a0f365649a25706871bbb5ae6651Behdad Esfahbod#define hb_be_uint16_put(v,V) HB_STMT_START { v[0] = (V>>8); v[1] = (V); } HB_STMT_END 4447a52f281178867379adb6e6c6fb0022102f75d17Behdad Esfahbod#define hb_be_uint16_get(v) (uint16_t) ((v[0] << 8) + v[1]) 445153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod#define hb_be_uint16_eq(a,b) (a[0] == b[0] && a[1] == b[1]) 4467a52f281178867379adb6e6c6fb0022102f75d17Behdad Esfahbod 447e032ed9f75d4a0f365649a25706871bbb5ae6651Behdad Esfahbod#define hb_be_uint32_put(v,V) HB_STMT_START { v[0] = (V>>24); v[1] = (V>>16); v[2] = (V>>8); v[3] = (V); } HB_STMT_END 4487a52f281178867379adb6e6c6fb0022102f75d17Behdad Esfahbod#define hb_be_uint32_get(v) (uint32_t) ((v[0] << 24) + (v[1] << 16) + (v[2] << 8) + v[3]) 449153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod#define hb_be_uint32_eq(a,b) (a[0] == b[0] && a[1] == b[1] && a[2] == b[2] && a[3] == b[3]) 450f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 451f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 4524188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod/* ASCII tag/character handling */ 453db5227c40e5c35fe2ffb750f32b639cb44424a1dBehdad Esfahbod 454153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline unsigned char ISALPHA (unsigned char c) 455153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); } 456153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline unsigned char ISALNUM (unsigned char c) 457153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9'); } 458153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline unsigned char TOUPPER (unsigned char c) 459153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c; } 460153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline unsigned char TOLOWER (unsigned char c) 461153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ return (c >= 'A' && c <= 'Z') ? c - 'A' + 'a' : c; } 462db5227c40e5c35fe2ffb750f32b639cb44424a1dBehdad Esfahbod 4634188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod#define HB_TAG_CHAR4(s) (HB_TAG(((const char *) s)[0], \ 4644188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod ((const char *) s)[1], \ 4654188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod ((const char *) s)[2], \ 4664188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod ((const char *) s)[3])) 4674188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod 468db5227c40e5c35fe2ffb750f32b639cb44424a1dBehdad Esfahbod 469831886a9b4073cfe27f7e1db0e957cbd5913fd31Behdad Esfahbod/* C++ helpers */ 470831886a9b4073cfe27f7e1db0e957cbd5913fd31Behdad Esfahbod 471831886a9b4073cfe27f7e1db0e957cbd5913fd31Behdad Esfahbod/* Makes class uncopyable. Use in private: section. */ 472831886a9b4073cfe27f7e1db0e957cbd5913fd31Behdad Esfahbod#define NO_COPY(T) \ 473831886a9b4073cfe27f7e1db0e957cbd5913fd31Behdad Esfahbod T (const T &o); \ 474970e092dc23cbeb7897d4c7bb58c042209f518fbBehdad Esfahbod T &operator = (const T &o) 475831886a9b4073cfe27f7e1db0e957cbd5913fd31Behdad Esfahbod 476831886a9b4073cfe27f7e1db0e957cbd5913fd31Behdad Esfahbod 477bc200457430c083914a64bf4b056153506749610Behdad Esfahbod/* Debug */ 478bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 479cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 480bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#ifndef HB_DEBUG 481bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#define HB_DEBUG 0 482bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#endif 483bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 484cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbodstatic inline bool 485cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod_hb_debug (unsigned int level, 486cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod unsigned int max_level) 487cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod{ 488cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod return level < max_level; 489cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod} 490cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 491cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod#define DEBUG_LEVEL(WHAT, LEVEL) (_hb_debug ((LEVEL), HB_DEBUG_##WHAT)) 49243ff203d8ea3e1b09e316e3aae1a4e5ec15bfdd2Behdad Esfahbod#define DEBUG(WHAT) (DEBUG_LEVEL (WHAT, 0)) 49343ff203d8ea3e1b09e316e3aae1a4e5ec15bfdd2Behdad Esfahbod 494cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbodtemplate <int max_level> inline bool /* always returns TRUE */ 495cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod_hb_debug_msg (const char *what, 496cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const void *obj, 497cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *func, 498cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod bool indented, 499cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod int level, 500cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *message, 501cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod ...) HB_PRINTF_FUNC(6, 7); 502cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbodtemplate <int max_level> inline bool /* always returns TRUE */ 503cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod_hb_debug_msg (const char *what, 504cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const void *obj, 505cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *func, 506cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod bool indented, 507cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod int level, 508cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *message, 509cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod ...) 510cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod{ 511cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod va_list ap; 512cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod va_start (ap, message); 513cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 514cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod (void) (_hb_debug (level, max_level) && 5150fbb2dc83132a89201ad8b56c6909610437d2da0Behdad Esfahbod fprintf (stderr, "%s", what) && 5160fbb2dc83132a89201ad8b56c6909610437d2da0Behdad Esfahbod (obj && fprintf (stderr, "(%p)", obj), TRUE) && 5170fbb2dc83132a89201ad8b56c6909610437d2da0Behdad Esfahbod fprintf (stderr, ": ") && 518cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod (func && fprintf (stderr, "%s: ", func), TRUE) && 519cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod (indented && fprintf (stderr, "%-*d-> ", level + 1, level), TRUE) && 520cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod vfprintf (stderr, message, ap) && 521cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod fprintf (stderr, "\n")); 522cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 523cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod va_end (ap); 524decd4e3e16424dc311e9fb5b663170414a11556aBehdad Esfahbod 525cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod return TRUE; 526cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod} 527cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbodtemplate <> inline bool /* always returns TRUE */ 528cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod_hb_debug_msg<0> (const char *what, 529cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const void *obj, 530cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *func, 531cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod bool indented, 532cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod int level, 533cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *message, 534cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod ...) HB_PRINTF_FUNC(6, 7); 535cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbodtemplate <> inline bool /* always returns TRUE */ 536cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod_hb_debug_msg<0> (const char *what, 537cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const void *obj, 538cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *func, 539cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod bool indented, 540cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod int level, 541cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *message, 542cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod ...) 543bc200457430c083914a64bf4b056153506749610Behdad Esfahbod{ 544bc200457430c083914a64bf4b056153506749610Behdad Esfahbod return TRUE; 545bc200457430c083914a64bf4b056153506749610Behdad Esfahbod} 546bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 547cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod#define DEBUG_MSG_LEVEL(WHAT, OBJ, LEVEL, ...) _hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), NULL, FALSE, (LEVEL), __VA_ARGS__) 548cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod#define DEBUG_MSG(WHAT, OBJ, ...) DEBUG_MSG_LEVEL (WHAT, OBJ, 0, __VA_ARGS__) 549cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod#define DEBUG_MSG_FUNC(WHAT, OBJ, ...) _hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), HB_FUNC, FALSE, 0, __VA_ARGS__) 550cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 551cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 552cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod/* 553cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod * Trace 554cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod */ 555cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 556cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbodtemplate <int max_level> 557cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbodstruct hb_auto_trace_t { 558cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod explicit inline hb_auto_trace_t (unsigned int *plevel_, 559cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *what, 560cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const void *obj, 561cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *func, 562cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *message) : plevel(plevel_) 563cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod { 564cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod if (max_level) ++*plevel; 565cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod /* TODO support variadic args here */ 566cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod _hb_debug_msg<max_level> (what, obj, func, TRUE, *plevel, "%s", message); 567cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod } 568cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod ~hb_auto_trace_t (void) { if (max_level) --*plevel; } 569cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 570cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod private: 571cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod unsigned int *plevel; 572cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod}; 573cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbodtemplate <> /* Optimize when tracing is disabled */ 574cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbodstruct hb_auto_trace_t<0> { 575cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod explicit inline hb_auto_trace_t (unsigned int *plevel_, 576cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *what, 577cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const void *obj, 578cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *func, 579cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod const char *message) {} 580cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod}; 581cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 582cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 583cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod/* Misc */ 584cc06c243d8be3ebb1190281653d2dba504c16c0fBehdad Esfahbod 585f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 5867b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod/* Pre-mature optimization: 5877b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod * Checks for lo <= u <= hi but with an optimization if lo and hi 5887b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod * are only different in a contiguous set of lower-most bits. 5897b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod */ 5908f0b64fb6988f9502d2c5e39768a9af133d9a83fBehdad Esfahbodtemplate <typename T> inline bool 5918f0b64fb6988f9502d2c5e39768a9af133d9a83fBehdad Esfahbodhb_in_range (T u, T lo, T hi) 5927b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod{ 5937b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod if ( ((lo^hi) & lo) == 0 && 5947b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod ((lo^hi) & hi) == (lo^hi) && 5957b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod ((lo^hi) & ((lo^hi) + 1)) == 0 ) 5967b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod return (u & ~(lo^hi)) == lo; 5977b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod else 5987b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod return lo <= u && u <= hi; 5997b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod} 6007b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod 6017b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod 60245d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod/* Useful for set-operations on small enums. 60345d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod * For example, for testing "x ∈ {x1, x2, x3}" use: 60445d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod * (FLAG(x) & (FLAG(x1) | FLAG(x2) | FLAG(x3))) 60545d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod */ 6067b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod#define FLAG(x) (1<<(x)) 6077b08b0a7f2057937dfc3ab2ec191656bf2386463Behdad Esfahbod 6088f0b64fb6988f9502d2c5e39768a9af133d9a83fBehdad Esfahbod 60945d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbodtemplate <typename T> inline void 61045d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbodhb_bubble_sort (T *array, unsigned int len, int(*compar)(const T *, const T *)) 61145d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod{ 61245d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod if (unlikely (!len)) 61345d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod return; 61445d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod 61545d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod unsigned int k = len - 1; 61645d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod do { 61745d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod unsigned int new_k = 0; 61845d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod 61945d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod for (unsigned int j = 0; j < k; j++) 62045d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod if (compar (&array[j], &array[j+1]) > 0) { 62145d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod T t; 62245d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod t = array[j]; 62345d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod array[j] = array[j + 1]; 62445d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod array[j + 1] = t; 62545d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod 62645d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod new_k = j; 62745d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod } 62845d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod k = new_k; 62945d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod } while (k); 63045d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod} 63145d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod 63245d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod 63345d6f29f15f1d2323bcaa2498aed23ff0c8a1567Behdad Esfahbod 634acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod 635c57d454accff66e5f2c58006e8fb40bc020b6182Behdad Esfahbod#endif /* HB_PRIVATE_HH */ 636