bzip2/bzlib.h at master · LuaDist/bzip2 · GitHub

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/*-------------------------------------------------------------*/
/*--- Public header file for the library. ---*/
/*--- bzlib.h ---*/
/*-------------------------------------------------------------*/

/* ------------------------------------------------------------------
 This file is part of bzip2/libbzip2, a program and library for
 lossless, block-sorting data compression.

 bzip2/libbzip2 version 1.0.5 of 10 December 2007
 Copyright (C) 1996-2007 Julian Seward <jseward@bzip.org>

 Please read the WARNING, DISCLAIMER and PATENTS sections in the
 README file.

 This program is released under the terms of the license contained
 in the file LICENSE.
 ------------------------------------------------------------------ */


#ifndef_BZLIB_H
#define_BZLIB_H

#ifdef__cplusplus
extern"C" {
#endif

#defineBZ_RUN 0
#defineBZ_FLUSH 1
#defineBZ_FINISH 2

#defineBZ_OK 0
#defineBZ_RUN_OK 1
#defineBZ_FLUSH_OK 2
#defineBZ_FINISH_OK 3
#defineBZ_STREAM_END 4
#defineBZ_SEQUENCE_ERROR (-1)
#defineBZ_PARAM_ERROR (-2)
#defineBZ_MEM_ERROR (-3)
#defineBZ_DATA_ERROR (-4)
#defineBZ_DATA_ERROR_MAGIC (-5)
#defineBZ_IO_ERROR (-6)
#defineBZ_UNEXPECTED_EOF (-7)
#defineBZ_OUTBUFF_FULL (-8)
#defineBZ_CONFIG_ERROR (-9)

typedef
struct {
char*next_in;
unsigned intavail_in;
unsigned inttotal_in_lo32;
unsigned inttotal_in_hi32;

char*next_out;
unsigned intavail_out;
unsigned inttotal_out_lo32;
unsigned inttotal_out_hi32;

void*state;

void*(*bzalloc)(void*,int,int);
void (*bzfree)(void*,void*);
void*opaque;
 }
bz_stream;


#ifndefBZ_IMPORT
#defineBZ_EXPORT
#endif

#ifndefBZ_NO_STDIO
/* Need a definitition for FILE */
#include<stdio.h>
#endif

#ifdef_WIN32
# include<windows.h>
# ifdefsmall
/* windows.h define small to char */
# undef small
# endif
# ifdefBZ_EXPORT
# defineBZ_API(func) WINAPI func
# defineBZ_EXTERN extern
# else
/* import windows dll dynamically */
# defineBZ_API(func) (WINAPI * func)
# defineBZ_EXTERN
# endif
#else
# defineBZ_API(func) func
# defineBZ_EXTERN extern
#endif


/*-- Core (low-level) library functions --*/

BZ_EXTERNintBZ_API(BZ2_bzCompressInit) (
bz_stream*strm,
intblockSize100k,
intverbosity,
intworkFactor
 );

BZ_EXTERNintBZ_API(BZ2_bzCompress) (
bz_stream*strm,
intaction
 );

BZ_EXTERNintBZ_API(BZ2_bzCompressEnd) (
bz_stream*strm
 );

BZ_EXTERNintBZ_API(BZ2_bzDecompressInit) (
bz_stream*strm,
intverbosity,
intsmall
 );

BZ_EXTERNintBZ_API(BZ2_bzDecompress) (
bz_stream*strm
 );

BZ_EXTERNintBZ_API(BZ2_bzDecompressEnd) (
bz_stream*strm
 );


/*-- High(er) level library functions --*/

#ifndefBZ_NO_STDIO
#defineBZ_MAX_UNUSED 5000

typedefvoidBZFILE;

BZ_EXTERNBZFILE*BZ_API(BZ2_bzReadOpen) (
int*bzerror,
FILE*f,
intverbosity,
intsmall,
void*unused,
intnUnused
 );

BZ_EXTERNvoidBZ_API(BZ2_bzReadClose) (
int*bzerror,
BZFILE*b
 );

BZ_EXTERNvoidBZ_API(BZ2_bzReadGetUnused) (
int*bzerror,
BZFILE*b,
void**unused,
int*nUnused
 );

BZ_EXTERNintBZ_API(BZ2_bzRead) (
int*bzerror,
BZFILE*b,
void*buf,
intlen
 );

BZ_EXTERNBZFILE*BZ_API(BZ2_bzWriteOpen) (
int*bzerror,
FILE*f,
intblockSize100k,
intverbosity,
intworkFactor
 );

BZ_EXTERNvoidBZ_API(BZ2_bzWrite) (
int*bzerror,
BZFILE*b,
void*buf,
intlen
 );

BZ_EXTERNvoidBZ_API(BZ2_bzWriteClose) (
int*bzerror,
BZFILE*b,
intabandon,
unsigned int*nbytes_in,
unsigned int*nbytes_out
 );

BZ_EXTERNvoidBZ_API(BZ2_bzWriteClose64) (
int*bzerror,
BZFILE*b,
intabandon,
unsigned int*nbytes_in_lo32,
unsigned int*nbytes_in_hi32,
unsigned int*nbytes_out_lo32,
unsigned int*nbytes_out_hi32
 );
#endif


/*-- Utility functions --*/

BZ_EXTERNintBZ_API(BZ2_bzBuffToBuffCompress) (
char*dest,
unsigned int*destLen,
char*source,
unsigned intsourceLen,
intblockSize100k,
intverbosity,
intworkFactor
 );

BZ_EXTERNintBZ_API(BZ2_bzBuffToBuffDecompress) (
char*dest,
unsigned int*destLen,
char*source,
unsigned intsourceLen,
intsmall,
intverbosity
 );


/*--
 Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.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_EXTERNconstchar*BZ_API(BZ2_bzlibVersion) (
void
 );

#ifndefBZ_NO_STDIO
BZ_EXTERNBZFILE*BZ_API(BZ2_bzopen) (
constchar*path,
constchar*mode
 );

BZ_EXTERNBZFILE*BZ_API(BZ2_bzdopen) (
intfd,
constchar*mode
 );

BZ_EXTERNintBZ_API(BZ2_bzread) (
BZFILE*b,
void*buf,
intlen
 );

BZ_EXTERNintBZ_API(BZ2_bzwrite) (
BZFILE*b,
void*buf,
intlen
 );

BZ_EXTERNintBZ_API(BZ2_bzflush) (
BZFILE*b
 );

BZ_EXTERNvoidBZ_API(BZ2_bzclose) (
BZFILE*b
 );

BZ_EXTERNconstchar*BZ_API(BZ2_bzerror) (
BZFILE*b,
int*errnum
 );
#endif

#ifdef__cplusplus
}
#endif

#endif

/*-------------------------------------------------------------*/
/*--- end bzlib.h ---*/
/*-------------------------------------------------------------*/