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comparison: modules/libbz2/src/bzlib.h
modules/libbz2/src/bzlib.h
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| 1 | |
| 2 /*-------------------------------------------------------------*/ | |
| 3 /*--- Public header file for the library. ---*/ | |
| 4 /*--- bzlib.h ---*/ | |
| 5 /*-------------------------------------------------------------*/ | |
| 6 | |
| 7 /* ------------------------------------------------------------------ | |
| 8 This file is part of bzip2/libbzip2, a program and library for | |
| 9 lossless, block-sorting data compression. | |
| 10 | |
| 11 bzip2/libbzip2 version 1.0.4 of 20 December 2006 | |
| 12 Copyright (C) 1996-2006 Julian Seward <jseward@bzip.org> | |
| 13 | |
| 14 Please read the WARNING, DISCLAIMER and PATENTS sections in the | |
| 15 README file. | |
| 16 | |
| 17 This program is released under the terms of the license contained | |
| 18 in the file LICENSE. | |
| 19 ------------------------------------------------------------------ */ | |
| 20 | |
| 21 | |
| 22 #ifndef _BZLIB_H | |
| 23 #define _BZLIB_H | |
| 24 | |
| 25 #ifdef __cplusplus | |
| 26 extern "C" { | |
| 27 #endif | |
| 28 | |
| 29 #define BZ_RUN 0 | |
| 30 #define BZ_FLUSH 1 | |
| 31 #define BZ_FINISH 2 | |
| 32 | |
| 33 #define BZ_OK 0 | |
| 34 #define BZ_RUN_OK 1 | |
| 35 #define BZ_FLUSH_OK 2 | |
| 36 #define BZ_FINISH_OK 3 | |
| 37 #define BZ_STREAM_END 4 | |
| 38 #define BZ_SEQUENCE_ERROR (-1) | |
| 39 #define BZ_PARAM_ERROR (-2) | |
| 40 #define BZ_MEM_ERROR (-3) | |
| 41 #define BZ_DATA_ERROR (-4) | |
| 42 #define BZ_DATA_ERROR_MAGIC (-5) | |
| 43 #define BZ_IO_ERROR (-6) | |
| 44 #define BZ_UNEXPECTED_EOF (-7) | |
| 45 #define BZ_OUTBUFF_FULL (-8) | |
| 46 #define BZ_CONFIG_ERROR (-9) | |
| 47 | |
| 48 typedef | |
| 49 struct { | |
| 50 char *next_in; | |
| 51 unsigned int avail_in; | |
| 52 unsigned int total_in_lo32; | |
| 53 unsigned int total_in_hi32; | |
| 54 | |
| 55 char *next_out; | |
| 56 unsigned int avail_out; | |
| 57 unsigned int total_out_lo32; | |
| 58 unsigned int total_out_hi32; | |
| 59 | |
| 60 void *state; | |
| 61 | |
| 62 void *(*bzalloc)(void *,int,int); | |
| 63 void (*bzfree)(void *,void *); | |
| 64 void *opaque; | |
| 65 } | |
| 66 bz_stream; | |
| 67 | |
| 68 | |
| 69 #ifndef BZ_IMPORT | |
| 70 #define BZ_EXPORT | |
| 71 #endif | |
| 72 | |
| 73 #ifndef BZ_NO_STDIO | |
| 74 /* Need a definitition for FILE */ | |
| 75 #include <stdio.h> | |
| 76 #endif | |
| 77 | |
| 78 #ifdef _WIN32 | |
| 79 # include <windows.h> | |
| 80 # ifdef small | |
| 81 /* windows.h define small to char */ | |
| 82 # undef small | |
| 83 # endif | |
| 84 # ifdef BZ_EXPORT | |
| 85 # define BZ_API(func) WINAPI func | |
| 86 # define BZ_EXTERN extern | |
| 87 # else | |
| 88 /* import windows dll dynamically */ | |
| 89 # define BZ_API(func) (WINAPI * func) | |
| 90 # define BZ_EXTERN | |
| 91 # endif | |
| 92 #else | |
| 93 # define BZ_API(func) func | |
| 94 # define BZ_EXTERN extern | |
| 95 #endif | |
| 96 | |
| 97 | |
| 98 /*-- Core (low-level) library functions --*/ | |
| 99 | |
| 100 BZ_EXTERN int BZ_API(BZ2_bzCompressInit) ( | |
| 101 bz_stream* strm, | |
| 102 int blockSize100k, | |
| 103 int verbosity, | |
| 104 int workFactor | |
| 105 ); | |
| 106 | |
| 107 BZ_EXTERN int BZ_API(BZ2_bzCompress) ( | |
| 108 bz_stream* strm, | |
| 109 int action | |
| 110 ); | |
| 111 | |
| 112 BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( | |
| 113 bz_stream* strm | |
| 114 ); | |
| 115 | |
| 116 BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( | |
| 117 bz_stream *strm, | |
| 118 int verbosity, | |
| 119 int small | |
| 120 ); | |
| 121 | |
| 122 BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( | |
| 123 bz_stream* strm | |
| 124 ); | |
| 125 | |
| 126 BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) ( | |
| 127 bz_stream *strm | |
| 128 ); | |
| 129 | |
| 130 | |
| 131 | |
| 132 /*-- High(er) level library functions --*/ | |
| 133 | |
| 134 #ifndef BZ_NO_STDIO | |
| 135 #define BZ_MAX_UNUSED 5000 | |
| 136 | |
| 137 typedef void BZFILE; | |
| 138 | |
| 139 BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( | |
| 140 int* bzerror, | |
| 141 FILE* f, | |
| 142 int verbosity, | |
| 143 int small, | |
| 144 void* unused, | |
| 145 int nUnused | |
| 146 ); | |
| 147 | |
| 148 BZ_EXTERN void BZ_API(BZ2_bzReadClose) ( | |
| 149 int* bzerror, | |
| 150 BZFILE* b | |
| 151 ); | |
| 152 | |
| 153 BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( | |
| 154 int* bzerror, | |
| 155 BZFILE* b, | |
| 156 void** unused, | |
| 157 int* nUnused | |
| 158 ); | |
| 159 | |
| 160 BZ_EXTERN int BZ_API(BZ2_bzRead) ( | |
| 161 int* bzerror, | |
| 162 BZFILE* b, | |
| 163 void* buf, | |
| 164 int len | |
| 165 ); | |
| 166 | |
| 167 BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( | |
| 168 int* bzerror, | |
| 169 FILE* f, | |
| 170 int blockSize100k, | |
| 171 int verbosity, | |
| 172 int workFactor | |
| 173 ); | |
| 174 | |
| 175 BZ_EXTERN void BZ_API(BZ2_bzWrite) ( | |
| 176 int* bzerror, | |
| 177 BZFILE* b, | |
| 178 void* buf, | |
| 179 int len | |
| 180 ); | |
| 181 | |
| 182 BZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( | |
| 183 int* bzerror, | |
| 184 BZFILE* b, | |
| 185 int abandon, | |
| 186 unsigned int* nbytes_in, | |
| 187 unsigned int* nbytes_out | |
| 188 ); | |
| 189 | |
| 190 BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( | |
| 191 int* bzerror, | |
| 192 BZFILE* b, | |
| 193 int abandon, | |
| 194 unsigned int* nbytes_in_lo32, | |
| 195 unsigned int* nbytes_in_hi32, | |
| 196 unsigned int* nbytes_out_lo32, | |
| 197 unsigned int* nbytes_out_hi32 | |
| 198 ); | |
| 199 #endif | |
| 200 | |
| 201 | |
| 202 /*-- Utility functions --*/ | |
| 203 | |
| 204 BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( | |
| 205 char* dest, | |
| 206 unsigned int* destLen, | |
| 207 char* source, | |
| 208 unsigned int sourceLen, | |
| 209 int blockSize100k, | |
| 210 int verbosity, | |
| 211 int workFactor | |
| 212 ); | |
| 213 | |
| 214 BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( | |
| 215 char* dest, | |
| 216 unsigned int* destLen, | |
| 217 char* source, | |
| 218 unsigned int sourceLen, | |
| 219 int small, | |
| 220 int verbosity | |
| 221 ); | |
| 222 | |
| 223 | |
| 224 /*-- | |
| 225 Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp) | |
| 226 to support better zlib compatibility. | |
| 227 This code is not _officially_ part of libbzip2 (yet); | |
| 228 I haven't tested it, documented it, or considered the | |
| 229 threading-safeness of it. | |
| 230 If this code breaks, please contact both Yoshioka and me. | |
| 231 --*/ | |
| 232 | |
| 233 BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( | |
| 234 void | |
| 235 ); | |
| 236 | |
| 237 #ifndef BZ_NO_STDIO | |
| 238 BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( | |
| 239 const char *path, | |
| 240 const char *mode | |
| 241 ); | |
| 242 | |
| 243 BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( | |
| 244 int fd, | |
| 245 const char *mode | |
| 246 ); | |
| 247 | |
| 248 BZ_EXTERN int BZ_API(BZ2_bzread) ( | |
| 249 BZFILE* b, | |
| 250 void* buf, | |
| 251 int len | |
| 252 ); | |
| 253 | |
| 254 BZ_EXTERN int BZ_API(BZ2_bzwrite) ( | |
| 255 BZFILE* b, | |
| 256 void* buf, | |
| 257 int len | |
| 258 ); | |
| 259 | |
| 260 BZ_EXTERN int BZ_API(BZ2_bzflush) ( | |
| 261 BZFILE* b | |
| 262 ); | |
| 263 | |
| 264 BZ_EXTERN void BZ_API(BZ2_bzclose) ( | |
| 265 BZFILE* b | |
| 266 ); | |
| 267 | |
| 268 BZ_EXTERN const char * BZ_API(BZ2_bzerror) ( | |
| 269 BZFILE *b, | |
| 270 int *errnum | |
| 271 ); | |
| 272 #endif | |
| 273 | |
| 274 #ifdef __cplusplus | |
| 275 } | |
| 276 #endif | |
| 277 | |
| 278 #endif | |
| 279 | |
| 280 /*-------------------------------------------------------------*/ | |
| 281 /*--- end bzlib.h ---*/ | |
| 282 /*-------------------------------------------------------------*/ |
