hb-private.hh revision 080a0eb7d82d7195be72c16ece6e0a3ffed636b6
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 32df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#if HAVE_CONFIG_H 33df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#include "config.h" 34df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 35c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 36bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#include "hb-common.h" 37b28815c1f6e46d38471cacbc31248ca6fda8c4d1Behdad Esfahbod 38c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#include <stdlib.h> 39f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod#include <string.h> 40f0954d1e08ae288eda9904e17108fc73f48c0b98Behdad Esfahbod#include <assert.h> 411d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod 421d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod/* We only use these two for debug output. However, the debug code is 431d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod * always seen by the compiler (and optimized out in non-debug builds. 441d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod * If including these becomes a problem, we can start thinking about 451d52151a19ed8ec776276aac5cc6ce3769e0d947Behdad Esfahbod * someway around that. */ 467acb389569cf99c6bae9db31a8ed7c7007fbb566Behdad Esfahbod#include <stdio.h> 477acb389569cf99c6bae9db31a8ed7c7007fbb566Behdad Esfahbod#include <errno.h> 48c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 49acdba3f90b232fc12fcb200dca2584481b339118Behdad EsfahbodHB_BEGIN_DECLS 50acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod 51bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 52bc200457430c083914a64bf4b056153506749610Behdad Esfahbod/* Essentials */ 53bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 54bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#ifndef NULL 55bc200457430c083914a64bf4b056153506749610Behdad Esfahbod# define NULL ((void *) 0) 56bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#endif 57bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 58bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#undef FALSE 59bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#define FALSE 0 60bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 61bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#undef TRUE 62bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#define TRUE 1 63df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 64a794ebf4be9896393f4badf02905a4007981a588Behdad Esfahbod 65c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod/* Basics */ 66c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 67153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad EsfahbodHB_END_DECLS 68153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod 69c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#undef MIN 70153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodtemplate <typename Type> static inline Type MIN (const Type &a, const Type &b) { return a < b ? a : b; } 717586089c6fa8185cad8387869d3703c637e5cbb1Behdad Esfahbod 728a3511ac6c795226699c2b36e03401ecdf88f5f8Behdad Esfahbod#undef MAX 73153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodtemplate <typename Type> static inline Type MAX (const Type &a, const Type &b) { return a > b ? a : b; } 74153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod 75153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad EsfahbodHB_BEGIN_DECLS 768a3511ac6c795226699c2b36e03401ecdf88f5f8Behdad Esfahbod 774591753ad4b5ec0224e3f1befdfe4fc5f6075562Behdad Esfahbod#undef ARRAY_LENGTH 784591753ad4b5ec0224e3f1befdfe4fc5f6075562Behdad Esfahbod#define ARRAY_LENGTH(__array) ((signed int) (sizeof (__array) / sizeof (__array[0]))) 7912360f7c159826ae72271b34486dee59d96aa8caBehdad Esfahbod 8035a7383c6138fd705560f0d4bb30659cbd1ab64cBehdad Esfahbod#define HB_STMT_START do 8135a7383c6138fd705560f0d4bb30659cbd1ab64cBehdad Esfahbod#define HB_STMT_END while (0) 825b3f7702a64fe0513d08a67bdb72704e46fd7cd4Behdad Esfahbod 83303fe62824d4e99df554b6bfaacba05d068522fbBehdad Esfahbod#define _ASSERT_STATIC1(_line, _cond) typedef int _static_assert_on_line_##_line##_failed[(_cond)?1:-1] 84303fe62824d4e99df554b6bfaacba05d068522fbBehdad Esfahbod#define _ASSERT_STATIC0(_line, _cond) _ASSERT_STATIC1 (_line, (_cond)) 85303fe62824d4e99df554b6bfaacba05d068522fbBehdad Esfahbod#define ASSERT_STATIC(_cond) _ASSERT_STATIC0 (__LINE__, (_cond)) 86303fe62824d4e99df554b6bfaacba05d068522fbBehdad Esfahbod 87dcb7026f33cbcdf60e9b7fcdd44c64cc08702c74Behdad Esfahbod#define ASSERT_STATIC_EXPR(_cond) ((void) sizeof (char[(_cond) ? 1 : -1])) 88dcb7026f33cbcdf60e9b7fcdd44c64cc08702c74Behdad Esfahbod 89bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 906fd5364bdc3a2b459175377e9e16c86cff054232Behdad Esfahbod/* Lets assert int types. Saves trouble down the road. */ 916fd5364bdc3a2b459175377e9e16c86cff054232Behdad Esfahbod 926fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (int8_t) == 1); 936fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (uint8_t) == 1); 946fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (int16_t) == 2); 956fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (uint16_t) == 2); 966fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (int32_t) == 4); 976fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (uint32_t) == 4); 986fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (int64_t) == 8); 996fd5364bdc3a2b459175377e9e16c86cff054232Behdad EsfahbodASSERT_STATIC (sizeof (uint64_t) == 8); 1006fd5364bdc3a2b459175377e9e16c86cff054232Behdad Esfahbod 101b13640de6992de9ee9d07e3581c33b8181b70ff9Behdad EsfahbodASSERT_STATIC (sizeof (hb_codepoint_t) == 4); 102b13640de6992de9ee9d07e3581c33b8181b70ff9Behdad EsfahbodASSERT_STATIC (sizeof (hb_position_t) == 4); 103b13640de6992de9ee9d07e3581c33b8181b70ff9Behdad EsfahbodASSERT_STATIC (sizeof (hb_mask_t) == 4); 104ae9eeaff9300f3bb7bed588c5478e8e5461b3df0Behdad EsfahbodASSERT_STATIC (sizeof (hb_var_int_t) == 4); 1056fd5364bdc3a2b459175377e9e16c86cff054232Behdad Esfahbod 106bc200457430c083914a64bf4b056153506749610Behdad Esfahbod/* Misc */ 107bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 108c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 109df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) 110494d28ad988e505c1c45cc35a7ec6b880cfec5fcBehdad Esfahbod#define _HB_BOOLEAN_EXPR(expr) ((expr) ? 1 : 0) 11164d3fc8d0dada673245cc8c0b1c12cd849b30997Behdad Esfahbod#define likely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 1)) 11264d3fc8d0dada673245cc8c0b1c12cd849b30997Behdad Esfahbod#define unlikely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 0)) 113df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#else 11464d3fc8d0dada673245cc8c0b1c12cd849b30997Behdad Esfahbod#define likely(expr) (expr) 11564d3fc8d0dada673245cc8c0b1c12cd849b30997Behdad Esfahbod#define unlikely(expr) (expr) 116df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 117df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 118df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#ifndef __GNUC__ 119df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#undef __attribute__ 120df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#define __attribute__(x) 121df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 122df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 123df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#if __GNUC__ >= 3 12433d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_PURE_FUNC __attribute__((pure)) 12533d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_CONST_FUNC __attribute__((const)) 126df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#else 12733d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_PURE_FUNC 12833d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_CONST_FUNC 129df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 130bc7830e4259755ce7549025c6f5bf750e78c2ff1Behdad Esfahbod#if __GNUC__ >= 4 13133d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_UNUSED __attribute__((unused)) 132bc7830e4259755ce7549025c6f5bf750e78c2ff1Behdad Esfahbod#else 13333d13fdda99acaeffa9600737e8870278d053ebeBehdad Esfahbod#define HB_UNUSED 134bc7830e4259755ce7549025c6f5bf750e78c2ff1Behdad Esfahbod#endif 135df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 136eee8598d75d3af692d9ececf7e8ac458e892ba9eBehdad Esfahbod#ifndef HB_INTERNAL 137357d0f29c431b842179ee4b56c21bcc402178ce7Behdad Esfahbod# define HB_INTERNAL __attribute__((__visibility__("hidden"))) 138eee8598d75d3af692d9ececf7e8ac458e892ba9eBehdad Esfahbod#endif 139eee8598d75d3af692d9ececf7e8ac458e892ba9eBehdad Esfahbod 140df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 141df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#if (defined(__WIN32__) && !defined(__WINE__)) || defined(_MSC_VER) 142df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#define snprintf _snprintf 143df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 144df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 145df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#ifdef _MSC_VER 146df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#undef inline 147df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#define inline __inline 148df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 149df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 150df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#ifdef __STRICT_ANSI__ 151df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#undef inline 152df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#define inline __inline__ 153df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod#endif 154df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 155df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 1567d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#if __GNUC__ >= 3 1577d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#define HB_FUNC __PRETTY_FUNCTION__ 1587d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#elif defined(_MSC_VER) 1597d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#define HB_FUNC __FUNCSIG__ 1607d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#else 1617d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#define HB_FUNC __func__ 1627d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod#endif 1637d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod 1647d3a126334f8e6f6441561c1bb592bd3fa7a2c5cBehdad Esfahbod 1659b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod/* Return the number of 1 bits in mask. */ 16697e7f8f305c47caf2968a9da3b8407825547286dBehdad Esfahbodstatic inline HB_CONST_FUNC unsigned int 167c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod_hb_popcount32 (uint32_t mask) 168c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod{ 169c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) 1709b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod return __builtin_popcount (mask); 171c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#else 1729b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod /* "HACKMEM 169" */ 1739b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod register uint32_t y; 1749b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod y = (mask >> 1) &033333333333; 1759b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod y = mask - y - ((y >>1) & 033333333333); 1769b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod return (((y + (y >> 3)) & 030707070707) % 077); 177c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod#endif 178c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod} 179c7d457aa3ae7138630f52ca7263f663a3ea284c0Behdad Esfahbod 1809b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod/* Returns the number of bits needed to store number */ 1819b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbodstatic inline HB_CONST_FUNC unsigned int 1829b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod_hb_bit_storage (unsigned int number) 1839b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod{ 1849b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__) 185f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod return likely (number) ? (sizeof (unsigned int) * 8 - __builtin_clz (number)) : 0; 1869b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod#else 1879b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod register unsigned int n_bits = 0; 1889b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod while (number) { 1899b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod n_bits++; 1909b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod number >>= 1; 1919b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod } 1929b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod return n_bits; 1939b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod#endif 1949b6023338530a2dbb8214eb4391ef3e8372f3892Behdad Esfahbod} 195df66028781a7609a515980e64396e6f1044d764aBehdad Esfahbod 196f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod/* Returns the number of zero bits in the least significant side of number */ 197f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbodstatic inline HB_CONST_FUNC unsigned int 198f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod_hb_ctz (unsigned int number) 199f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod{ 200f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__) 201f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod return likely (number) ? __builtin_ctz (number) : 0; 202f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod#else 203f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod register unsigned int n_bits = 0; 204f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod if (unlikely (!number)) return 0; 205f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod while (!(number & 1)) { 206f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod n_bits++; 207f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod number >>= 1; 208f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod } 209f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod return n_bits; 210f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod#endif 211f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod} 212f7acd8df5146155b51d6f50aeb04f54f3030c1c3Behdad Esfahbod 213080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbodstatic inline bool 214080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod_hb_unsigned_int_mul_overflows (unsigned int count, unsigned int size) 215080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod{ 216080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod return (size > 0) && (count >= ((unsigned int) -1) / size); 217080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod} 218080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod 219080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod 2208f08c3275040870a645ef034a38d30c05c619f21Behdad Esfahbod/* Type of bsearch() / qsort() compare function */ 2218f08c3275040870a645ef034a38d30c05c619f21Behdad Esfahbodtypedef int (*hb_compare_func_t) (const void *, const void *); 2228f08c3275040870a645ef034a38d30c05c619f21Behdad Esfahbod 2238f08c3275040870a645ef034a38d30c05c619f21Behdad Esfahbod 224f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod/* We need external help for these */ 225f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 226f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#ifdef HAVE_GLIB 227f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 228f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#include <glib.h> 229f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 2303e8bdbf9414291da5cf61213d5f4275c1ae23ae5Behdad Esfahbodtypedef volatile int hb_atomic_int_t; 231f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define hb_atomic_int_fetch_and_add(AI, V) g_atomic_int_exchange_and_add (&(AI), V) 232f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define hb_atomic_int_get(AI) g_atomic_int_get (&(AI)) 233f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define hb_atomic_int_set(AI, V) g_atomic_int_set (&(AI), V) 234f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 235f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbodtypedef GStaticMutex hb_mutex_t; 236f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define HB_MUTEX_INIT G_STATIC_MUTEX_INIT 237f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define hb_mutex_init(M) g_static_mutex_init (&M) 238f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define hb_mutex_lock(M) g_static_mutex_lock (&M) 239f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define hb_mutex_trylock(M) g_static_mutex_trylock (&M) 240f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define hb_mutex_unlock(M) g_static_mutex_unlock (&M) 241f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 242f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#else 243f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 244f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#ifdef _MSC_VER 245ae9eeaff9300f3bb7bed588c5478e8e5461b3df0Behdad Esfahbod#define _HB__STR2__(x) #x 246ae9eeaff9300f3bb7bed588c5478e8e5461b3df0Behdad Esfahbod#define _HB__STR1__(x) _HB__STR2__(x) 247ae9eeaff9300f3bb7bed588c5478e8e5461b3df0Behdad Esfahbod#define _HB__LOC__ __FILE__ "("_HB__STR1__(__LINE__)") : Warning Msg: " 24882438c6ad5f60b6afc75c48cef72e18bef532468Bradley Grainger#pragma message(_HB__LOC__"Could not find any system to define platform macros, library will NOT be thread-safe") 249f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#else 250f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#warning "Could not find any system to define platform macros, library will NOT be thread-safe" 251f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#endif 252f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 2533e8bdbf9414291da5cf61213d5f4275c1ae23ae5Behdad Esfahbodtypedef volatile int hb_atomic_int_t; 254f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define hb_atomic_int_fetch_and_add(AI, V) ((AI) += (V), (AI) - (V)) 255f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#define hb_atomic_int_get(AI) (AI) 256ffff7dc44cb2a35a60f92831165e9d3c3a61ce19Behdad Esfahbod#define hb_atomic_int_set(AI, V) HB_STMT_START { (AI) = (V); } HB_STMT_END 257f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 2583e8bdbf9414291da5cf61213d5f4275c1ae23ae5Behdad Esfahbodtypedef volatile int hb_mutex_t; 259ffff7dc44cb2a35a60f92831165e9d3c3a61ce19Behdad Esfahbod#define HB_MUTEX_INIT 0 260ffff7dc44cb2a35a60f92831165e9d3c3a61ce19Behdad Esfahbod#define hb_mutex_init(M) HB_STMT_START { (M) = 0; } HB_STMT_END 261ffff7dc44cb2a35a60f92831165e9d3c3a61ce19Behdad Esfahbod#define hb_mutex_lock(M) HB_STMT_START { (M) = 1; } HB_STMT_END 262ffff7dc44cb2a35a60f92831165e9d3c3a61ce19Behdad Esfahbod#define hb_mutex_trylock(M) ((M) = 1, 1) 263ffff7dc44cb2a35a60f92831165e9d3c3a61ce19Behdad Esfahbod#define hb_mutex_unlock(M) HB_STMT_START { (M) = 0; } HB_STMT_END 264f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 265f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod#endif 266f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 267f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 268852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad EsfahbodHB_END_DECLS 269852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 270852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 271852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod/* arrays and maps */ 272852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 273852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 274852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodtemplate <typename Type, unsigned int StaticSize> 275852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodstruct hb_static_array_t { 276852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 277852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod unsigned int len; 278852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod unsigned int allocated; 279852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod Type *array; 280852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod Type static_array[StaticSize]; 281852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 282852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod void finish (void) { for (unsigned i = 0; i < len; i++) array[i].finish (); } 283852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 284852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline Type& operator [] (unsigned int i) 285852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 286852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return array[i]; 287852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 288852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 289852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline Type *push (void) 290852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 291852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (!array) { 292852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod array = static_array; 293852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod allocated = ARRAY_LENGTH (static_array); 294852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 295852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (likely (len < allocated)) 296852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return &array[len++]; 297852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod /* Need to reallocate */ 298852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod unsigned int new_allocated = allocated + (allocated >> 1) + 8; 299852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod Type *new_array; 300852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (array == static_array) { 301852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod new_array = (Type *) calloc (new_allocated, sizeof (Type)); 302852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (new_array) { 303852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod memcpy (new_array, array, len * sizeof (Type)); 304852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod array = new_array; 305852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 306852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } else { 307080a0eb7d82d7195be72c16ece6e0a3ffed636b6Behdad Esfahbod bool overflows = (new_allocated < allocated) || _hb_unsigned_int_mul_overflows (new_allocated, sizeof (Type)); 308852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (unlikely (overflows)) 309852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod new_array = NULL; 310852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod else 311852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod new_array = (Type *) realloc (array, new_allocated * sizeof (Type)); 312852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (new_array) { 313852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod free (array); 314852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod array = new_array; 315852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 316852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 317852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if ((len < allocated)) 318852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return &array[len++]; 319852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod else 320852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return NULL; 321852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 322852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 323852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline void pop (void) 324852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 325852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod len--; 326852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod /* TODO: shrink array if needed */ 327852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 328852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod}; 329852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 330852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodtemplate <typename Type> 331852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodstruct hb_array_t : hb_static_array_t<Type, 2> {}; 332a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 333a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 334852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodtemplate <typename Key, typename Value> 335852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbodstruct hb_map_t 336852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod{ 337852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod struct item_t { 338852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod Key key; 339852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod /* unsigned int hash; */ 340852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod Value value; 341852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 342852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod void finish (void) { value.finish (); } 343852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod }; 344852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 345852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod hb_array_t <item_t> items; 346852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 347852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod private: 348852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 349852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline item_t *find (Key key) { 350852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (unlikely (!key)) return NULL; 351852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod for (unsigned int i = 0; i < items.len; i++) 352852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (key == items[i].key) 353852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return &items[i]; 354852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return NULL; 355852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 356852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 357852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod public: 358852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 359852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline bool set (Key key, 360852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod Value &value) 361852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 362852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (unlikely (!key)) return NULL; 363852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item_t *item; 364852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item = find (key); 365852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (item) 366852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item->finish (); 367852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod else 368852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item = items.push (); 369852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (unlikely (!item)) return false; 370852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item->key = key; 371852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item->value = value; 372852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return true; 373852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 374852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 375852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline void unset (Key &key) 376852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 377852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item_t *item; 378852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item = find (key); 379852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod if (!item) return; 380a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 381852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item->finish (); 382852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod items[items.len - 1] = *item; 383852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod items.pop (); 384852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 385a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 386852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod inline Value *get (Key key) 387852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod { 388852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod item_t *item = find (key); 389852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod return item ? &item->value : NULL; 390852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod } 391a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 392852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod void finish (void) { items.finish (); } 393852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod}; 394852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 395852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad Esfahbod 396852e08ec8fbfbce1d50e571d0bb0b52ef4d4cc58Behdad EsfahbodHB_BEGIN_DECLS 397a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 398a9f24c802956d57180d71b83e96a0fb81197df4aBehdad Esfahbod 399f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod/* Big-endian handling */ 400f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 401153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline uint16_t hb_be_uint16 (const uint16_t v) 402153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ 403153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod const uint8_t *V = (const uint8_t *) &v; 404153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod return (uint16_t) (V[0] << 8) + V[1]; 405153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod} 4067a52f281178867379adb6e6c6fb0022102f75d17Behdad Esfahbod 407e032ed9f75d4a0f365649a25706871bbb5ae6651Behdad Esfahbod#define hb_be_uint16_put(v,V) HB_STMT_START { v[0] = (V>>8); v[1] = (V); } HB_STMT_END 4087a52f281178867379adb6e6c6fb0022102f75d17Behdad Esfahbod#define hb_be_uint16_get(v) (uint16_t) ((v[0] << 8) + v[1]) 409153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod#define hb_be_uint16_eq(a,b) (a[0] == b[0] && a[1] == b[1]) 4107a52f281178867379adb6e6c6fb0022102f75d17Behdad Esfahbod 411e032ed9f75d4a0f365649a25706871bbb5ae6651Behdad 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 4127a52f281178867379adb6e6c6fb0022102f75d17Behdad Esfahbod#define hb_be_uint32_get(v) (uint32_t) ((v[0] << 24) + (v[1] << 16) + (v[2] << 8) + v[3]) 413153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod#define hb_be_uint32_eq(a,b) (a[0] == b[0] && a[1] == b[1] && a[2] == b[2] && a[3] == b[3]) 414f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 415f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 4164188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod/* ASCII tag/character handling */ 417db5227c40e5c35fe2ffb750f32b639cb44424a1dBehdad Esfahbod 418153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline unsigned char ISALPHA (unsigned char c) 419153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); } 420153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline unsigned char ISALNUM (unsigned char c) 421153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9'); } 422153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline unsigned char TOUPPER (unsigned char c) 423153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c; } 424153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbodstatic inline unsigned char TOLOWER (unsigned char c) 425153142dac8dd9abaf164bb88af07c600c17fc3a1Behdad Esfahbod{ return (c >= 'A' && c <= 'Z') ? c - 'A' + 'a' : c; } 426db5227c40e5c35fe2ffb750f32b639cb44424a1dBehdad Esfahbod 4274188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod#define HB_TAG_CHAR4(s) (HB_TAG(((const char *) s)[0], \ 4284188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod ((const char *) s)[1], \ 4294188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod ((const char *) s)[2], \ 4304188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod ((const char *) s)[3])) 4314188096a7722f09ffa9319986c0286071da10a27Behdad Esfahbod 432db5227c40e5c35fe2ffb750f32b639cb44424a1dBehdad Esfahbod 433bc200457430c083914a64bf4b056153506749610Behdad Esfahbod/* Debug */ 434bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 435bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#ifndef HB_DEBUG 436bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#define HB_DEBUG 0 437bc200457430c083914a64bf4b056153506749610Behdad Esfahbod#endif 438bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 439fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbodstatic inline bool /* always returns TRUE */ 440bc200457430c083914a64bf4b056153506749610Behdad Esfahbod_hb_trace (const char *what, 441bc200457430c083914a64bf4b056153506749610Behdad Esfahbod const char *function, 442bc200457430c083914a64bf4b056153506749610Behdad Esfahbod const void *obj, 443bc200457430c083914a64bf4b056153506749610Behdad Esfahbod unsigned int depth, 444bc200457430c083914a64bf4b056153506749610Behdad Esfahbod unsigned int max_depth) 445bc200457430c083914a64bf4b056153506749610Behdad Esfahbod{ 44611e3ec444a85fc72541823c2e98cc92c4ceb19afBehdad Esfahbod (void) ((depth < max_depth) && fprintf (stderr, "%s(%p) %-*d-> %s\n", what, obj, depth, depth, function)); 447bc200457430c083914a64bf4b056153506749610Behdad Esfahbod return TRUE; 448bc200457430c083914a64bf4b056153506749610Behdad Esfahbod} 449bc200457430c083914a64bf4b056153506749610Behdad Esfahbod 450f60f2166c48d07f556ff83f04e95181946eb03dfBehdad Esfahbod 451acdba3f90b232fc12fcb200dca2584481b339118Behdad EsfahbodHB_END_DECLS 452acdba3f90b232fc12fcb200dca2584481b339118Behdad Esfahbod 453c57d454accff66e5f2c58006e8fb40bc020b6182Behdad Esfahbod#endif /* HB_PRIVATE_HH */ 454