reactos/drivers/lib/bzip2/bzlib.h

   1
   2 /*-------------------------------------------------------------*/
   3 /*--- Public header file for the library.                   ---*/
   4 /*---                                               bzlib.h ---*/
   5 /*-------------------------------------------------------------*/
   6
   7 /*--
   8   This file is a part of bzip2 and/or libbzip2, a program and
   9   library for lossless, block-sorting data compression.
  10
  11   Copyright (C) 1996-2000 Julian R Seward.  All rights reserved.
  12
  13   Redistribution and use in source and binary forms, with or without
  14   modification, are permitted provided that the following conditions
  15   are met:
  16
  17   1. Redistributions of source code must retain the above copyright
  18      notice, this list of conditions and the following disclaimer.
  19
  20   2. The origin of this software must not be misrepresented; you must
  21      not claim that you wrote the original software.  If you use this
  22      software in a product, an acknowledgment in the product
  23      documentation would be appreciated but is not required.
  24
  25   3. Altered source versions must be plainly marked as such, and must
  26      not be misrepresented as being the original software.
  27
  28   4. The name of the author may not be used to endorse or promote
  29      products derived from this software without specific prior written
  30      permission.
  31
  32   THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  33   OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  34   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  35   ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  36   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  37   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  38   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  39   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  40   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  41   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  42   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  43
  44   Julian Seward, Cambridge, UK.
  45   jseward@acm.org
  46   bzip2/libbzip2 version 1.0 of 21 March 2000
  47
  48   This program is based on (at least) the work of:
  49      Mike Burrows
  50      David Wheeler
  51      Peter Fenwick
  52      Alistair Moffat
  53      Radford Neal
  54      Ian H. Witten
  55      Robert Sedgewick
  56      Jon L. Bentley
  57
  58   For more information on these sources, see the manual.
  59 --*/
  60
  61
  62 #ifndef _BZLIB_H
  63 #define _BZLIB_H
  64
  65 #ifdef __cplusplus
  66 extern "C" {
  67 #endif
  68
  69 #define BZ_RUN               0
  70 #define BZ_FLUSH             1
  71 #define BZ_FINISH            2
  72
  73 #define BZ_OK                0
  74 #define BZ_RUN_OK            1
  75 #define BZ_FLUSH_OK          2
  76 #define BZ_FINISH_OK         3
  77 #define BZ_STREAM_END        4
  78 #define BZ_SEQUENCE_ERROR    (-1)
  79 #define BZ_PARAM_ERROR       (-2)
  80 #define BZ_MEM_ERROR         (-3)
  81 #define BZ_DATA_ERROR        (-4)
  82 #define BZ_DATA_ERROR_MAGIC  (-5)
  83 #define BZ_IO_ERROR          (-6)
  84 #define BZ_UNEXPECTED_EOF    (-7)
  85 #define BZ_OUTBUFF_FULL      (-8)
  86 #define BZ_CONFIG_ERROR      (-9)
  87
  88 typedef
  89    struct {
  90       char *next_in;
  91       unsigned int avail_in;
  92       unsigned int total_in_lo32;
  93       unsigned int total_in_hi32;
  94
  95       char *next_out;
  96       unsigned int avail_out;
  97       unsigned int total_out_lo32;
  98       unsigned int total_out_hi32;
  99
 100       void *state;
 101
 102       void *(*bzalloc)(void *,int,int);
 103       void (*bzfree)(void *,void *);
 104       void *opaque;
 105    }
 106    bz_stream;
 107
 108
 109 #ifndef BZ_IMPORT
 110 #define BZ_EXPORT
 111 #endif
 112
 113 #ifdef _WIN32
 114 #   include <stdio.h>
 115 #   define WINAPI __stdcall
 116 #   ifdef small
 117       /* windows.h define small to char */
 118 #      undef small
 119 #   endif
 120 #   ifdef BZ_EXPORT
 121 #   define BZ_API(func) WINAPI func
 122 #   define BZ_EXTERN extern
 123 #   else
 124    /* import windows dll dynamically */
 125 #   define BZ_API(func) (WINAPI * func)
 126 #   define BZ_EXTERN
 127 #   endif
 128 #else
 129 #   define BZ_API(func) func
 130 #   define BZ_EXTERN extern
 131 #endif
 132
 133
 134 /*-- Core (low-level) library functions --*/
 135
 136 BZ_EXTERN int BZ_API(BZ2_bzCompressInit) (
 137       bz_stream* strm,
 138       int        blockSize100k,
 139       int        verbosity,
 140       int        workFactor
 141    );
 142
 143 BZ_EXTERN int BZ_API(BZ2_bzCompress) (
 144       bz_stream* strm,
 145       int action
 146    );
 147
 148 BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) (
 149       bz_stream* strm
 150    );
 151
 152 BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) (
 153       bz_stream *strm,
 154       int       verbosity,
 155       int       small
 156    );
 157
 158 BZ_EXTERN int BZ_API(BZ2_bzDecompress) (
 159       bz_stream* strm
 160    );
 161
 162 BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) (
 163       bz_stream *strm
 164    );
 165
 166
 167
 168 /*-- High(er) level library functions --*/
 169
 170 #ifndef BZ_NO_STDIO
 171 #define BZ_MAX_UNUSED 5000
 172
 173 typedef void BZFILE;
 174
 175 BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) (
 176       int*  bzerror,
 177       FILE* f,
 178       int   verbosity,
 179       int   small,
 180       void* unused,
 181       int   nUnused
 182    );
 183
 184 BZ_EXTERN void BZ_API(BZ2_bzReadClose) (
 185       int*    bzerror,
 186       BZFILE* b
 187    );
 188
 189 BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) (
 190       int*    bzerror,
 191       BZFILE* b,
 192       void**  unused,
 193       int*    nUnused
 194    );
 195
 196 BZ_EXTERN int BZ_API(BZ2_bzRead) (
 197       int*    bzerror,
 198       BZFILE* b,
 199       void*   buf,
 200       int     len
 201    );
 202
 203 BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) (
 204       int*  bzerror,
 205       FILE* f,
 206       int   blockSize100k,
 207       int   verbosity,
 208       int   workFactor
 209    );
 210
 211 BZ_EXTERN void BZ_API(BZ2_bzWrite) (
 212       int*    bzerror,
 213       BZFILE* b,
 214       void*   buf,
 215       int     len
 216    );
 217
 218 BZ_EXTERN void BZ_API(BZ2_bzWriteClose) (
 219       int*          bzerror,
 220       BZFILE*       b,
 221       int           abandon,
 222       unsigned int* nbytes_in,
 223       unsigned int* nbytes_out
 224    );
 225
 226 BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) (
 227       int*          bzerror,
 228       BZFILE*       b,
 229       int           abandon,
 230       unsigned int* nbytes_in_lo32,
 231       unsigned int* nbytes_in_hi32,
 232       unsigned int* nbytes_out_lo32,
 233       unsigned int* nbytes_out_hi32
 234    );
 235 #endif
 236
 237
 238 /*-- Utility functions --*/
 239
 240 BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) (
 241       char*         dest,
 242       unsigned int* destLen,
 243       char*         source,
 244       unsigned int  sourceLen,
 245       int           blockSize100k,
 246       int           verbosity,
 247       int           workFactor
 248    );
 249
 250 BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) (
 251       char*         dest,
 252       unsigned int* destLen,
 253       char*         source,
 254       unsigned int  sourceLen,
 255       int           small,
 256       int           verbosity
 257    );
 258
 259
 260 /*--
 261    Code contributed by Yoshioka Tsuneo
 262    (QWF00133@niftyserve.or.jp/tsuneo-y@is.aist-nara.ac.jp),
 263    to support better zlib compatibility.
 264    This code is not _officially_ part of libbzip2 (yet);
 265    I haven't tested it, documented it, or considered the
 266    threading-safeness of it.
 267    If this code breaks, please contact both Yoshioka and me.
 268 --*/
 269
 270 BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) (
 271       void
 272    );
 273
 274 #ifndef BZ_NO_STDIO
 275 BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) (
 276       const char *path,
 277       const char *mode
 278    );
 279
 280 BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) (
 281       int        fd,
 282       const char *mode
 283    );
 284
 285 BZ_EXTERN int BZ_API(BZ2_bzread) (
 286       BZFILE* b,
 287       void* buf,
 288       int len
 289    );
 290
 291 BZ_EXTERN int BZ_API(BZ2_bzwrite) (
 292       BZFILE* b,
 293       void*   buf,
 294       int     len
 295    );
 296
 297 BZ_EXTERN int BZ_API(BZ2_bzflush) (
 298       BZFILE* b
 299    );
 300
 301 BZ_EXTERN void BZ_API(BZ2_bzclose) (
 302       BZFILE* b
 303    );
 304
 305 BZ_EXTERN const char * BZ_API(BZ2_bzerror) (
 306       BZFILE *b,
 307       int    *errnum
 308    );
 309 #endif
 310
 311 extern void *(_stdcall *BZ2_malloc)( unsigned long size );
 312 extern void (*_stdcall BZ2_free)( void *ptr );
 313 void _stdcall BZ2_set_malloc_free(  void *(_stdcall *malloc)(unsigned long size), void (_stdcall *free)(void *ptr) );
 314
 315 #ifdef __cplusplus
 316 }
 317 #endif
 318
 319 #endif
 320
 321 /*-------------------------------------------------------------*/
 322 /*--- end                                           bzlib.h ---*/
 323 /*-------------------------------------------------------------*/