zstd/programs/fileio.h
2019-08-19 11:38:49 -07:00

133 lines
5.1 KiB
C

/*
* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
#ifndef FILEIO_H_23981798732
#define FILEIO_H_23981798732
#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_compressionParameters */
#include "zstd.h" /* ZSTD_* */
#if defined (__cplusplus)
extern "C" {
#endif
/* *************************************
* Special i/o constants
**************************************/
#define stdinmark "/*stdin*\\"
#define stdoutmark "/*stdout*\\"
#ifdef _WIN32
# define nulmark "nul"
#else
# define nulmark "/dev/null"
#endif
#define LZMA_EXTENSION ".lzma"
#define XZ_EXTENSION ".xz"
#define GZ_EXTENSION ".gz"
#define ZSTD_EXTENSION ".zst"
#define LZ4_EXTENSION ".lz4"
/*-*************************************
* Types
***************************************/
typedef enum { FIO_zstdCompression, FIO_gzipCompression, FIO_xzCompression, FIO_lzmaCompression, FIO_lz4Compression } FIO_compressionType_t;
typedef struct FIO_prefs_s FIO_prefs_t;
FIO_prefs_t* FIO_createPreferences(void);
void FIO_freePreferences(FIO_prefs_t* const prefs);
typedef struct FIO_display_prefs_s FIO_display_prefs_t;
/*-*************************************
* Parameters
***************************************/
void FIO_setCompressionType(FIO_prefs_t* const prefs, FIO_compressionType_t compressionType);
void FIO_overwriteMode(FIO_prefs_t* const prefs);
void FIO_setAdaptiveMode(FIO_prefs_t* const prefs, unsigned adapt);
void FIO_setAdaptMin(FIO_prefs_t* const prefs, int minCLevel);
void FIO_setAdaptMax(FIO_prefs_t* const prefs, int maxCLevel);
void FIO_setBlockSize(FIO_prefs_t* const prefs, int blockSize);
void FIO_setChecksumFlag(FIO_prefs_t* const prefs, int checksumFlag);
void FIO_setDictIDFlag(FIO_prefs_t* const prefs, int dictIDFlag);
void FIO_setLdmBucketSizeLog(FIO_prefs_t* const prefs, int ldmBucketSizeLog);
void FIO_setLdmFlag(FIO_prefs_t* const prefs, unsigned ldmFlag);
void FIO_setLdmHashRateLog(FIO_prefs_t* const prefs, int ldmHashRateLog);
void FIO_setLdmHashLog(FIO_prefs_t* const prefs, int ldmHashLog);
void FIO_setLdmMinMatch(FIO_prefs_t* const prefs, int ldmMinMatch);
void FIO_setMemLimit(FIO_prefs_t* const prefs, unsigned memLimit);
void FIO_setNbWorkers(FIO_prefs_t* const prefs, int nbWorkers);
void FIO_setOverlapLog(FIO_prefs_t* const prefs, int overlapLog);
void FIO_setRemoveSrcFile(FIO_prefs_t* const prefs, unsigned flag);
void FIO_setSparseWrite(FIO_prefs_t* const prefs, unsigned sparse); /**< 0: no sparse; 1: disable on stdout; 2: always enabled */
void FIO_setRsyncable(FIO_prefs_t* const prefs, int rsyncable);
void FIO_setTargetCBlockSize(FIO_prefs_t* const prefs, size_t targetCBlockSize);
void FIO_setSrcSizeHint(FIO_prefs_t* const prefs, size_t srcSizeHint);
void FIO_setLiteralCompressionMode(
FIO_prefs_t* const prefs,
ZSTD_literalCompressionMode_e mode);
void FIO_setNoProgress(unsigned noProgress);
void FIO_setNotificationLevel(int level);
/*-*************************************
* Single File functions
***************************************/
/** FIO_compressFilename() :
@return : 0 == ok; 1 == pb with src file. */
int FIO_compressFilename (FIO_prefs_t* const prefs,
const char* outfilename, const char* infilename, const char* dictFileName,
int compressionLevel, ZSTD_compressionParameters comprParams);
/** FIO_decompressFilename() :
@return : 0 == ok; 1 == pb with src file. */
int FIO_decompressFilename (FIO_prefs_t* const prefs,
const char* outfilename, const char* infilename, const char* dictFileName);
int FIO_listMultipleFiles(unsigned numFiles, const char** filenameTable, int displayLevel);
/*-*************************************
* Multiple File functions
***************************************/
/** FIO_compressMultipleFilenames() :
@return : nb of missing files */
int FIO_compressMultipleFilenames(FIO_prefs_t* const prefs,
const char** srcNamesTable, unsigned nbFiles,
const char* outFileName, const char* suffix,
const char* dictFileName, int compressionLevel,
ZSTD_compressionParameters comprParams);
/** FIO_decompressMultipleFilenames() :
@return : nb of missing or skipped files */
int FIO_decompressMultipleFilenames(FIO_prefs_t* const prefs,
const char** srcNamesTable, unsigned nbFiles,
const char* outFileName,
const char* dictFileName);
/*-*************************************
* Advanced stuff (should actually be hosted elsewhere)
***************************************/
/* custom crash signal handler */
void FIO_addAbortHandler(void);
#if defined (__cplusplus)
}
#endif
#endif /* FILEIO_H_23981798732 */