bzip2-0.9.0cbzip2-0.9.0c

1 files changed, 299 insertions, 0 deletions

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+
+/*-------------------------------------------------------------*/
+/*--- Public header file for the library.                   ---*/
+/*---                                               bzlib.h ---*/
+/*-------------------------------------------------------------*/
+
+/*--
+  This file is a part of bzip2 and/or libbzip2, a program and
+  library for lossless, block-sorting data compression.
+
+  Copyright (C) 1996-1998 Julian R Seward.  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+
+  1. Redistributions of source code must retain the above copyright
+     notice, this list of conditions and the following disclaimer.
+
+  2. The origin of this software must not be misrepresented; you must 
+     not claim that you wrote the original software.  If you use this 
+     software in a product, an acknowledgment in the product 
+     documentation would be appreciated but is not required.
+
+  3. Altered source versions must be plainly marked as such, and must
+     not be misrepresented as being the original software.
+
+  4. The name of the author may not be used to endorse or promote 
+     products derived from this software without specific prior written 
+     permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+  OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+  Julian Seward, Guildford, Surrey, UK.
+  jseward@acm.org
+  bzip2/libbzip2 version 0.9.0c of 18 October 1998
+
+  This program is based on (at least) the work of:
+     Mike Burrows
+     David Wheeler
+     Peter Fenwick
+     Alistair Moffat
+     Radford Neal
+     Ian H. Witten
+     Robert Sedgewick
+     Jon L. Bentley
+
+  For more information on these sources, see the manual.
+--*/
+
+
+#ifndef _BZLIB_H
+#define _BZLIB_H
+
+#define BZ_RUN               0
+#define BZ_FLUSH             1
+#define BZ_FINISH            2
+
+#define BZ_OK                0
+#define BZ_RUN_OK            1
+#define BZ_FLUSH_OK          2
+#define BZ_FINISH_OK         3
+#define BZ_STREAM_END        4
+#define BZ_SEQUENCE_ERROR    (-1)
+#define BZ_PARAM_ERROR       (-2)
+#define BZ_MEM_ERROR         (-3)
+#define BZ_DATA_ERROR        (-4)
+#define BZ_DATA_ERROR_MAGIC  (-5)
+#define BZ_IO_ERROR          (-6)
+#define BZ_UNEXPECTED_EOF    (-7)
+#define BZ_OUTBUFF_FULL      (-8)
+
+typedef 
+   struct {
+      char *next_in;
+      unsigned int avail_in;
+      unsigned int total_in;
+
+      char *next_out;
+      unsigned int avail_out;
+      unsigned int total_out;
+
+      void *state;
+
+      void *(*bzalloc)(void *,int,int);
+      void (*bzfree)(void *,void *);
+      void *opaque;
+   } 
+   bz_stream;
+
+
+#ifndef BZ_IMPORT
+#define BZ_EXPORT
+#endif
+
+#ifdef _WIN32
+#   include <stdio.h>
+#   include <windows.h>
+#   ifdef small
+      /* windows.h define small to char */
+#      undef small
+#   endif
+#   ifdef BZ_EXPORT
+#   define BZ_API(func) WINAPI func
+#   define BZ_EXTERN extern
+#   else
+   /* import windows dll dynamically */
+#   define BZ_API(func) (WINAPI * func)
+#   define BZ_EXTERN
+#   endif
+#else
+#   define BZ_API(func) func
+#   define BZ_EXTERN extern
+#endif
+
+
+/*-- Core (low-level) library functions --*/
+
+BZ_EXTERN int BZ_API(bzCompressInit) ( 
+      bz_stream* strm, 
+      int        blockSize100k, 
+      int        verbosity, 
+      int        workFactor 
+   );
+
+BZ_EXTERN int BZ_API(bzCompress) ( 
+      bz_stream* strm, 
+      int action 
+   );
+
+BZ_EXTERN int BZ_API(bzCompressEnd) ( 
+      bz_stream* strm 
+   );
+
+BZ_EXTERN int BZ_API(bzDecompressInit) ( 
+      bz_stream *strm, 
+      int       verbosity, 
+      int       small
+   );
+
+BZ_EXTERN int BZ_API(bzDecompress) ( 
+      bz_stream* strm 
+   );
+
+BZ_EXTERN int BZ_API(bzDecompressEnd) ( 
+      bz_stream *strm 
+   );
+
+
+
+/*-- High(er) level library functions --*/
+
+#ifndef BZ_NO_STDIO
+#define BZ_MAX_UNUSED 5000
+
+typedef void BZFILE;
+
+BZ_EXTERN BZFILE* BZ_API(bzReadOpen) ( 
+      int*  bzerror,   
+      FILE* f, 
+      int   verbosity, 
+      int   small,
+      void* unused,    
+      int   nUnused 
+   );
+
+BZ_EXTERN void BZ_API(bzReadClose) ( 
+      int*    bzerror, 
+      BZFILE* b 
+   );
+
+BZ_EXTERN void BZ_API(bzReadGetUnused) ( 
+      int*    bzerror, 
+      BZFILE* b, 
+      void**  unused,  
+      int*    nUnused 
+   );
+
+BZ_EXTERN int BZ_API(bzRead) ( 
+      int*    bzerror, 
+      BZFILE* b, 
+      void*   buf, 
+      int     len 
+   );
+
+BZ_EXTERN BZFILE* BZ_API(bzWriteOpen) ( 
+      int*  bzerror,      
+      FILE* f, 
+      int   blockSize100k, 
+      int   verbosity, 
+      int   workFactor 
+   );
+
+BZ_EXTERN void BZ_API(bzWrite) ( 
+      int*    bzerror, 
+      BZFILE* b, 
+      void*   buf, 
+      int     len 
+   );
+
+BZ_EXTERN void BZ_API(bzWriteClose) ( 
+      int*          bzerror, 
+      BZFILE*       b, 
+      int           abandon, 
+      unsigned int* nbytes_in, 
+      unsigned int* nbytes_out 
+   );
+#endif
+
+
+/*-- Utility functions --*/
+
+BZ_EXTERN int BZ_API(bzBuffToBuffCompress) ( 
+      char*         dest, 
+      unsigned int* destLen,
+      char*         source, 
+      unsigned int  sourceLen,
+      int           blockSize100k, 
+      int           verbosity, 
+      int           workFactor 
+   );
+
+BZ_EXTERN int BZ_API(bzBuffToBuffDecompress) ( 
+      char*         dest, 
+      unsigned int* destLen,
+      char*         source, 
+      unsigned int  sourceLen,
+      int           small, 
+      int           verbosity 
+   );
+
+
+/*--
+   Code contributed by Yoshioka Tsuneo
+   (QWF00133@niftyserve.or.jp/tsuneo-y@is.aist-nara.ac.jp),
+   to support better zlib compatibility.
+   This code is not _officially_ part of libbzip2 (yet);
+   I haven't tested it, documented it, or considered the
+   threading-safeness of it.
+   If this code breaks, please contact both Yoshioka and me.
+--*/
+
+BZ_EXTERN const char * BZ_API(bzlibVersion) (
+      void
+   );
+
+#ifndef BZ_NO_STDIO
+BZ_EXTERN BZFILE * BZ_API(bzopen) (
+      const char *path,
+      const char *mode
+   );
+
+BZ_EXTERN BZFILE * BZ_API(bzdopen) (
+      int        fd,
+      const char *mode
+   );
+         
+BZ_EXTERN int BZ_API(bzread) (
+      BZFILE* b, 
+      void* buf, 
+      int len 
+   );
+
+BZ_EXTERN int BZ_API(bzwrite) (
+      BZFILE* b, 
+      void*   buf, 
+      int     len 
+   );
+
+BZ_EXTERN int BZ_API(bzflush) (
+      BZFILE* b
+   );
+
+BZ_EXTERN void BZ_API(bzclose) (
+      BZFILE* b
+   );
+
+BZ_EXTERN const char * BZ_API(bzerror) (
+      BZFILE *b, 
+      int    *errnum
+   );
+#endif
+
+
+#endif
+
+/*-------------------------------------------------------------*/
+/*--- end                                           bzlib.h ---*/
+/*-------------------------------------------------------------*/