cannam@130: 
cannam@130: /*-------------------------------------------------------------*/
cannam@130: /*--- Public header file for the library.                   ---*/
cannam@130: /*---                                               bzlib.h ---*/
cannam@130: /*-------------------------------------------------------------*/
cannam@130: 
cannam@130: /* ------------------------------------------------------------------
cannam@130:    This file is part of bzip2/libbzip2, a program and library for
cannam@130:    lossless, block-sorting data compression.
cannam@130: 
cannam@130:    bzip2/libbzip2 version 1.0.6 of 6 September 2010
cannam@130:    Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org>
cannam@130: 
cannam@130:    Please read the WARNING, DISCLAIMER and PATENTS sections in the 
cannam@130:    README file.
cannam@130: 
cannam@130:    This program is released under the terms of the license contained
cannam@130:    in the file LICENSE.
cannam@130:    ------------------------------------------------------------------ */
cannam@130: 
cannam@130: 
cannam@130: #ifndef _BZLIB_H
cannam@130: #define _BZLIB_H
cannam@130: 
cannam@130: #ifdef __cplusplus
cannam@130: extern "C" {
cannam@130: #endif
cannam@130: 
cannam@130: #define BZ_RUN               0
cannam@130: #define BZ_FLUSH             1
cannam@130: #define BZ_FINISH            2
cannam@130: 
cannam@130: #define BZ_OK                0
cannam@130: #define BZ_RUN_OK            1
cannam@130: #define BZ_FLUSH_OK          2
cannam@130: #define BZ_FINISH_OK         3
cannam@130: #define BZ_STREAM_END        4
cannam@130: #define BZ_SEQUENCE_ERROR    (-1)
cannam@130: #define BZ_PARAM_ERROR       (-2)
cannam@130: #define BZ_MEM_ERROR         (-3)
cannam@130: #define BZ_DATA_ERROR        (-4)
cannam@130: #define BZ_DATA_ERROR_MAGIC  (-5)
cannam@130: #define BZ_IO_ERROR          (-6)
cannam@130: #define BZ_UNEXPECTED_EOF    (-7)
cannam@130: #define BZ_OUTBUFF_FULL      (-8)
cannam@130: #define BZ_CONFIG_ERROR      (-9)
cannam@130: 
cannam@130: typedef 
cannam@130:    struct {
cannam@130:       char *next_in;
cannam@130:       unsigned int avail_in;
cannam@130:       unsigned int total_in_lo32;
cannam@130:       unsigned int total_in_hi32;
cannam@130: 
cannam@130:       char *next_out;
cannam@130:       unsigned int avail_out;
cannam@130:       unsigned int total_out_lo32;
cannam@130:       unsigned int total_out_hi32;
cannam@130: 
cannam@130:       void *state;
cannam@130: 
cannam@130:       void *(*bzalloc)(void *,int,int);
cannam@130:       void (*bzfree)(void *,void *);
cannam@130:       void *opaque;
cannam@130:    } 
cannam@130:    bz_stream;
cannam@130: 
cannam@130: 
cannam@130: #ifndef BZ_IMPORT
cannam@130: #define BZ_EXPORT
cannam@130: #endif
cannam@130: 
cannam@130: #ifndef BZ_NO_STDIO
cannam@130: /* Need a definitition for FILE */
cannam@130: #include <stdio.h>
cannam@130: #endif
cannam@130: 
cannam@130: #ifdef _WIN32
cannam@130: #   include <windows.h>
cannam@130: #   ifdef small
cannam@130:       /* windows.h define small to char */
cannam@130: #      undef small
cannam@130: #   endif
cannam@130: #   ifdef BZ_EXPORT
cannam@130: #   define BZ_API(func) WINAPI func
cannam@130: #   define BZ_EXTERN extern
cannam@130: #   else
cannam@130:    /* import windows dll dynamically */
cannam@130: #   define BZ_API(func) (WINAPI * func)
cannam@130: #   define BZ_EXTERN
cannam@130: #   endif
cannam@130: #else
cannam@130: #   define BZ_API(func) func
cannam@130: #   define BZ_EXTERN extern
cannam@130: #endif
cannam@130: 
cannam@130: 
cannam@130: /*-- Core (low-level) library functions --*/
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzCompressInit) ( 
cannam@130:       bz_stream* strm, 
cannam@130:       int        blockSize100k, 
cannam@130:       int        verbosity, 
cannam@130:       int        workFactor 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzCompress) ( 
cannam@130:       bz_stream* strm, 
cannam@130:       int action 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( 
cannam@130:       bz_stream* strm 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( 
cannam@130:       bz_stream *strm, 
cannam@130:       int       verbosity, 
cannam@130:       int       small
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( 
cannam@130:       bz_stream* strm 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) ( 
cannam@130:       bz_stream *strm 
cannam@130:    );
cannam@130: 
cannam@130: 
cannam@130: 
cannam@130: /*-- High(er) level library functions --*/
cannam@130: 
cannam@130: #ifndef BZ_NO_STDIO
cannam@130: #define BZ_MAX_UNUSED 5000
cannam@130: 
cannam@130: typedef void BZFILE;
cannam@130: 
cannam@130: BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( 
cannam@130:       int*  bzerror,   
cannam@130:       FILE* f, 
cannam@130:       int   verbosity, 
cannam@130:       int   small,
cannam@130:       void* unused,    
cannam@130:       int   nUnused 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN void BZ_API(BZ2_bzReadClose) ( 
cannam@130:       int*    bzerror, 
cannam@130:       BZFILE* b 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( 
cannam@130:       int*    bzerror, 
cannam@130:       BZFILE* b, 
cannam@130:       void**  unused,  
cannam@130:       int*    nUnused 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzRead) ( 
cannam@130:       int*    bzerror, 
cannam@130:       BZFILE* b, 
cannam@130:       void*   buf, 
cannam@130:       int     len 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( 
cannam@130:       int*  bzerror,      
cannam@130:       FILE* f, 
cannam@130:       int   blockSize100k, 
cannam@130:       int   verbosity, 
cannam@130:       int   workFactor 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN void BZ_API(BZ2_bzWrite) ( 
cannam@130:       int*    bzerror, 
cannam@130:       BZFILE* b, 
cannam@130:       void*   buf, 
cannam@130:       int     len 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( 
cannam@130:       int*          bzerror, 
cannam@130:       BZFILE*       b, 
cannam@130:       int           abandon, 
cannam@130:       unsigned int* nbytes_in, 
cannam@130:       unsigned int* nbytes_out 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( 
cannam@130:       int*          bzerror, 
cannam@130:       BZFILE*       b, 
cannam@130:       int           abandon, 
cannam@130:       unsigned int* nbytes_in_lo32, 
cannam@130:       unsigned int* nbytes_in_hi32, 
cannam@130:       unsigned int* nbytes_out_lo32, 
cannam@130:       unsigned int* nbytes_out_hi32
cannam@130:    );
cannam@130: #endif
cannam@130: 
cannam@130: 
cannam@130: /*-- Utility functions --*/
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( 
cannam@130:       char*         dest, 
cannam@130:       unsigned int* destLen,
cannam@130:       char*         source, 
cannam@130:       unsigned int  sourceLen,
cannam@130:       int           blockSize100k, 
cannam@130:       int           verbosity, 
cannam@130:       int           workFactor 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( 
cannam@130:       char*         dest, 
cannam@130:       unsigned int* destLen,
cannam@130:       char*         source, 
cannam@130:       unsigned int  sourceLen,
cannam@130:       int           small, 
cannam@130:       int           verbosity 
cannam@130:    );
cannam@130: 
cannam@130: 
cannam@130: /*--
cannam@130:    Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp)
cannam@130:    to support better zlib compatibility.
cannam@130:    This code is not _officially_ part of libbzip2 (yet);
cannam@130:    I haven't tested it, documented it, or considered the
cannam@130:    threading-safeness of it.
cannam@130:    If this code breaks, please contact both Yoshioka and me.
cannam@130: --*/
cannam@130: 
cannam@130: BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) (
cannam@130:       void
cannam@130:    );
cannam@130: 
cannam@130: #ifndef BZ_NO_STDIO
cannam@130: BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) (
cannam@130:       const char *path,
cannam@130:       const char *mode
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) (
cannam@130:       int        fd,
cannam@130:       const char *mode
cannam@130:    );
cannam@130:          
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzread) (
cannam@130:       BZFILE* b, 
cannam@130:       void* buf, 
cannam@130:       int len 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzwrite) (
cannam@130:       BZFILE* b, 
cannam@130:       void*   buf, 
cannam@130:       int     len 
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN int BZ_API(BZ2_bzflush) (
cannam@130:       BZFILE* b
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN void BZ_API(BZ2_bzclose) (
cannam@130:       BZFILE* b
cannam@130:    );
cannam@130: 
cannam@130: BZ_EXTERN const char * BZ_API(BZ2_bzerror) (
cannam@130:       BZFILE *b, 
cannam@130:       int    *errnum
cannam@130:    );
cannam@130: #endif
cannam@130: 
cannam@130: #ifdef __cplusplus
cannam@130: }
cannam@130: #endif
cannam@130: 
cannam@130: #endif
cannam@130: 
cannam@130: /*-------------------------------------------------------------*/
cannam@130: /*--- end                                           bzlib.h ---*/
cannam@130: /*-------------------------------------------------------------*/