zstd_zlibwrapper.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <zlib.h>
#include "zstd_zlibwrapper.h"
#include "zstd.h"

Data Structures
struct	ZWRAP_CCtx
struct	ZWRAP_DCtx

Macros
#define	ZWRAP_USE_ZSTD   0
#define	NO_DUMMY_DECL
#define	ZLIB_CONST
#define	ZSTD_STATIC_LINKING_ONLY   /* ZSTD_isFrame, ZSTD_MAGICNUMBER, ZSTD_customMem */
#define	Z_INFLATE_SYNC   8
#define	ZLIB_HEADERSIZE   4
#define	ZSTD_HEADERSIZE   ZSTD_FRAMEHEADERSIZE_MIN(ZSTD_f_zstd1)
#define	ZWRAP_DEFAULT_CLEVEL   3 /* Z_DEFAULT_COMPRESSION is translated to ZWRAP_DEFAULT_CLEVEL for zstd */
#define	LOG_WRAPPERC(...)
#define	LOG_WRAPPERD(...)
#define	FINISH_WITH_GZ_ERR(msg)
#define	FINISH_WITH_NULL_ERR(msg)
#define	MIN(x, y)
#define	__has_builtin(x)

Enumerations
enum	ZWRAP_state_t { ZWRAP_useInit , ZWRAP_useReset , ZWRAP_streamEnd }
enum	ZWRAP_stream_type { ZWRAP_ZLIB_STREAM , ZWRAP_ZSTD_STREAM , ZWRAP_UNKNOWN_STREAM }

Functions
void	ZWRAP_useZSTDcompression (int turn_on)
int	ZWRAP_isUsingZSTDcompression (void)
void	ZWRAP_setDecompressionType (ZWRAP_decompress_type type)
ZWRAP_decompress_type	ZWRAP_getDecompressionType (void)
const char *	zstdVersion (void)
ZEXTERN const char *ZEXPORT z_zlibVersion	_Z_OF ((void))
int	ZWRAP_setPledgedSrcSize (z_streamp strm, unsigned long long pledgedSrcSize)
ZEXTERN int ZEXPORT z_deflateInit_	_Z_OF ((z_streamp strm, int level, const char *version, int stream_size))
ZEXTERN int ZEXPORT z_deflateInit2_	_Z_OF ((z_streamp strm, int level, int method, int windowBits, int memLevel, int strategy, const char *version, int stream_size))
int	ZWRAP_deflateReset_keepDict (z_streamp strm)
ZEXTERN int ZEXPORT z_deflateReset	_Z_OF ((z_streamp strm))
ZEXTERN int ZEXPORT z_deflateSetDictionary	_Z_OF ((z_streamp strm, const Bytef *dictionary, uInt dictLength))
ZEXTERN int ZEXPORT z_deflate	_Z_OF ((z_streamp strm, int flush))
ZEXTERN uLong ZEXPORT z_deflateBound	_Z_OF ((z_streamp strm, uLong sourceLen))
ZEXTERN int ZEXPORT z_deflateParams	_Z_OF ((z_streamp strm, int level, int strategy))
int	ZWRAP_isUsingZSTDdecompression (z_streamp strm)
ZEXTERN int ZEXPORT z_inflateInit_	_Z_OF ((z_streamp strm, const char *version, int stream_size))
ZEXTERN int ZEXPORT z_inflateInit2_	_Z_OF ((z_streamp strm, int windowBits, const char *version, int stream_size))
int	ZWRAP_inflateReset_keepDict (z_streamp strm)
ZEXTERN int ZEXPORT z_deflateCopy	_Z_OF ((z_streamp dest, z_streamp source))
ZEXTERN int ZEXPORT z_deflateTune	_Z_OF ((z_streamp strm, int good_length, int max_lazy, int nice_length, int max_chain))
ZEXTERN int ZEXPORT z_deflatePrime	_Z_OF ((z_streamp strm, int bits, int value))
ZEXTERN int ZEXPORT z_deflateSetHeader	_Z_OF ((z_streamp strm, gz_headerp head))
ZEXTERN int ZEXPORT z_inflateBackInit_	_Z_OF ((z_streamp strm, int windowBits, unsigned char FAR *window, const char *version, int stream_size))
ZEXTERN int ZEXPORT z_inflateBack	_Z_OF ((z_streamp strm, in_func in, void FAR *in_desc, out_func out, void FAR *out_desc))
ZEXTERN int ZEXPORT z_compress	_Z_OF ((Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen))
ZEXTERN int ZEXPORT z_compress2	_Z_OF ((Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level))
ZEXTERN uLong ZEXPORT z_compressBound	_Z_OF ((uLong sourceLen))
ZEXTERN uLong ZEXPORT z_adler32	_Z_OF ((uLong adler, const Bytef *buf, uInt len))
ZEXTERN uLong ZEXPORT z_crc32	_Z_OF ((uLong crc, const Bytef *buf, uInt len))
ZEXTERN const char *ZEXPORT z_zError	_Z_OF ((int err))

Macro Definition Documentation

__has_builtin

#define __has_builtin

(

x

)

Value:

0

FINISH_WITH_GZ_ERR

#define FINISH_WITH_GZ_ERR

(

msg

)

Value:

{ (void)msg; return Z_STREAM_ERROR; }

FINISH_WITH_NULL_ERR

#define FINISH_WITH_NULL_ERR

(

msg

)

Value:

{ (void)msg; return NULL; }

LOG_WRAPPERC

#define LOG_WRAPPERC

(

...

)

Value:

/* fprintf(stderr, __VA_ARGS__) */

LOG_WRAPPERD

#define LOG_WRAPPERD

(

...

)

Value:

/* fprintf(stderr, __VA_ARGS__) */

MIN

#define MIN	(		x,
			y )

Value:

((x) < (y) ? (x) : (y))

NO_DUMMY_DECL

#define NO_DUMMY_DECL

Z_INFLATE_SYNC

#define Z_INFLATE_SYNC   8

ZLIB_CONST

#define ZLIB_CONST

ZLIB_HEADERSIZE

#define ZLIB_HEADERSIZE   4

ZSTD_HEADERSIZE

#define ZSTD_HEADERSIZE   ZSTD_FRAMEHEADERSIZE_MIN(ZSTD_f_zstd1)

ZSTD_STATIC_LINKING_ONLY

#define ZSTD_STATIC_LINKING_ONLY   /* ZSTD_isFrame, ZSTD_MAGICNUMBER, ZSTD_customMem */

ZWRAP_DEFAULT_CLEVEL

#define ZWRAP_DEFAULT_CLEVEL   3 /* Z_DEFAULT_COMPRESSION is translated to ZWRAP_DEFAULT_CLEVEL for zstd */

ZWRAP_USE_ZSTD

#define ZWRAP_USE_ZSTD   0

Enumeration Type Documentation

ZWRAP_state_t

enum ZWRAP_state_t

Enumerator
ZWRAP_useInit
ZWRAP_useReset
ZWRAP_streamEnd

ZWRAP_stream_type

enum ZWRAP_stream_type

Enumerator
ZWRAP_ZLIB_STREAM
ZWRAP_ZSTD_STREAM
ZWRAP_UNKNOWN_STREAM

Function Documentation

_Z_OF() [1/22]

ZEXTERN int ZEXPORT z_compress _Z_OF

(

(Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen)

)

_Z_OF() [2/22]

ZEXTERN int ZEXPORT z_compress2 _Z_OF

(

(Bytef *dest, uLongf *destLen, const Bytef *source, uLong sourceLen, int level)

)

_Z_OF() [3/22]

ZEXTERN const char *ZEXPORT z_zError _Z_OF

(

(int err)

)

_Z_OF() [4/22]

ZEXTERN uLong ZEXPORT z_adler32 _Z_OF

(

(uLong adler, const Bytef *buf, uInt len)

)

_Z_OF() [5/22]

ZEXTERN uLong ZEXPORT z_crc32 _Z_OF

(

(uLong crc, const Bytef *buf, uInt len)

)

_Z_OF() [6/22]

ZEXTERN uLong ZEXPORT z_compressBound _Z_OF

(

(uLong sourceLen)

)

_Z_OF() [7/22]

ZEXTERN const char *ZEXPORT z_zlibVersion _Z_OF

(

(void)

)

_Z_OF() [8/22]

ZEXTERN int ZEXPORT z_deflateCopy _Z_OF

(

(z_streamp dest, z_streamp source)

)

_Z_OF() [9/22]

ZEXTERN int ZEXPORT z_deflateReset _Z_OF

(

(z_streamp strm)

)

_Z_OF() [10/22]

ZEXTERN int ZEXPORT z_deflateSetDictionary _Z_OF

(

(z_streamp strm, const Bytef *dictionary, uInt dictLength)

)

_Z_OF() [11/22]

ZEXTERN int ZEXPORT z_inflateInit_ _Z_OF

(

(z_streamp strm, const char *version, int stream_size)

)

_Z_OF() [12/22]

ZEXTERN int ZEXPORT z_deflateSetHeader _Z_OF

(

(z_streamp strm, gz_headerp head)

)

_Z_OF() [13/22]

ZEXTERN int ZEXPORT z_inflateBack _Z_OF

(

(z_streamp strm, in_func in, void FAR *in_desc, out_func out, void FAR *out_desc)

)

_Z_OF() [14/22]

ZEXTERN int ZEXPORT z_deflatePrime _Z_OF

(

(z_streamp strm, int bits, int value)

)

_Z_OF() [15/22]

ZEXTERN int ZEXPORT z_deflate _Z_OF

(

(z_streamp strm, int flush)

)

_Z_OF() [16/22]

ZEXTERN int ZEXPORT z_deflateTune _Z_OF

(

(z_streamp strm, int good_length, int max_lazy, int nice_length, int max_chain)

)

_Z_OF() [17/22]

ZEXTERN int ZEXPORT z_deflateInit_ _Z_OF

(

(z_streamp strm, int level, const char *version, int stream_size)

)

_Z_OF() [18/22]

ZEXTERN int ZEXPORT z_deflateInit2_ _Z_OF

(

(z_streamp strm, int level, int method, int windowBits, int memLevel, int strategy, const char *version, int stream_size)

)

_Z_OF() [19/22]

ZEXTERN int ZEXPORT z_deflateParams _Z_OF

(

(z_streamp strm, int level, int strategy)

)

_Z_OF() [20/22]

ZEXTERN int ZEXPORT z_inflateInit2_ _Z_OF

(

(z_streamp strm, int windowBits, const char *version, int stream_size)

)

_Z_OF() [21/22]

ZEXTERN int ZEXPORT z_inflateBackInit_ _Z_OF

(

(z_streamp strm, int windowBits, unsigned char FAR *window, const char *version, int stream_size)

)

_Z_OF() [22/22]

ZEXTERN uLong ZEXPORT z_deflateBound _Z_OF

(

(z_streamp strm, uLong sourceLen)

)

zstdVersion()

const char * zstdVersion

(

void

)

ZWRAP_deflateReset_keepDict()

int ZWRAP_deflateReset_keepDict

(

z_streamp

strm

)

ZWRAP_getDecompressionType()

ZWRAP_decompress_type ZWRAP_getDecompressionType

(

void

)

ZWRAP_inflateReset_keepDict()

int ZWRAP_inflateReset_keepDict

(

z_streamp

strm

)

ZWRAP_isUsingZSTDcompression()

int ZWRAP_isUsingZSTDcompression

(

void

)

ZWRAP_isUsingZSTDdecompression()

int ZWRAP_isUsingZSTDdecompression

(

z_streamp

strm

)

ZWRAP_setDecompressionType()

void ZWRAP_setDecompressionType

(

ZWRAP_decompress_type

type

)

ZWRAP_setPledgedSrcSize()

int ZWRAP_setPledgedSrcSize	(	z_streamp	strm,
		unsigned long long	pledgedSrcSize )

ZWRAP_useZSTDcompression()

void ZWRAP_useZSTDcompression

(

int

turn_on

)