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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 1.0.4 of 20 December 2006 |
Copyright (C) 1996-2006 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 |
|
#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) |
#define BZ_CONFIG_ERROR (-9) |
|
typedef |
struct { |
char *next_in; |
unsigned int avail_in; |
unsigned int total_in_lo32; |
unsigned int total_in_hi32; |
|
char *next_out; |
unsigned int avail_out; |
unsigned int total_out_lo32; |
unsigned int total_out_hi32; |
|
void *state; |
|
void *(*bzalloc)(void *,int,int); |
void (*bzfree)(void *,void *); |
void *opaque; |
} |
bz_stream; |
|
|
#ifndef BZ_IMPORT |
#define BZ_EXPORT |
#endif |
|
#ifndef BZ_NO_STDIO |
/* Need a definitition for FILE */ |
#include <stdio.h> |
#endif |
|
#ifdef _WIN32 |
# 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(BZ2_bzCompressInit) ( |
bz_stream* strm, |
int blockSize100k, |
int verbosity, |
int workFactor |
); |
|
BZ_EXTERN int BZ_API(BZ2_bzCompress) ( |
bz_stream* strm, |
int action |
); |
|
BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( |
bz_stream* strm |
); |
|
BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( |
bz_stream *strm, |
int verbosity, |
int small |
); |
|
BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( |
bz_stream* strm |
); |
|
BZ_EXTERN int BZ_API(BZ2_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(BZ2_bzReadOpen) ( |
int* bzerror, |
FILE* f, |
int verbosity, |
int small, |
void* unused, |
int nUnused |
); |
|
BZ_EXTERN void BZ_API(BZ2_bzReadClose) ( |
int* bzerror, |
BZFILE* b |
); |
|
BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( |
int* bzerror, |
BZFILE* b, |
void** unused, |
int* nUnused |
); |
|
BZ_EXTERN int BZ_API(BZ2_bzRead) ( |
int* bzerror, |
BZFILE* b, |
void* buf, |
int len |
); |
|
BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( |
int* bzerror, |
FILE* f, |
int blockSize100k, |
int verbosity, |
int workFactor |
); |
|
BZ_EXTERN void BZ_API(BZ2_bzWrite) ( |
int* bzerror, |
BZFILE* b, |
void* buf, |
int len |
); |
|
BZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( |
int* bzerror, |
BZFILE* b, |
int abandon, |
unsigned int* nbytes_in, |
unsigned int* nbytes_out |
); |
|
BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( |
int* bzerror, |
BZFILE* b, |
int abandon, |
unsigned int* nbytes_in_lo32, |
unsigned int* nbytes_in_hi32, |
unsigned int* nbytes_out_lo32, |
unsigned int* nbytes_out_hi32 |
); |
#endif |
|
|
/*-- Utility functions --*/ |
|
BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( |
char* dest, |
unsigned int* destLen, |
char* source, |
unsigned int sourceLen, |
int blockSize100k, |
int verbosity, |
int workFactor |
); |
|
BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( |
char* dest, |
unsigned int* destLen, |
char* source, |
unsigned int sourceLen, |
int small, |
int verbosity |
); |
|
|
/*-- |
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_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( |
void |
); |
|
#ifndef BZ_NO_STDIO |
BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( |
const char *path, |
const char *mode |
); |
|
BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( |
int fd, |
const char *mode |
); |
|
BZ_EXTERN int BZ_API(BZ2_bzread) ( |
BZFILE* b, |
void* buf, |
int len |
); |
|
BZ_EXTERN int BZ_API(BZ2_bzwrite) ( |
BZFILE* b, |
void* buf, |
int len |
); |
|
BZ_EXTERN int BZ_API(BZ2_bzflush) ( |
BZFILE* b |
); |
|
BZ_EXTERN void BZ_API(BZ2_bzclose) ( |
BZFILE* b |
); |
|
BZ_EXTERN const char * BZ_API(BZ2_bzerror) ( |
BZFILE *b, |
int *errnum |
); |
#endif |
|
#ifdef __cplusplus |
} |
#endif |
|
#endif |
|
/*-------------------------------------------------------------*/ |
/*--- end bzlib.h ---*/ |
/*-------------------------------------------------------------*/ |