mirror of
https://github.com/facebook/zstd.git
synced 2025-11-03 00:08:51 -05:00
132 lines
5.0 KiB
C
132 lines
5.0 KiB
C
/*
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* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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#ifndef FILEIO_H_23981798732
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#define FILEIO_H_23981798732
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#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_compressionParameters */
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#include "zstd.h" /* ZSTD_* */
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/* *************************************
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* Special i/o constants
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**************************************/
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#define stdinmark "/*stdin*\\"
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#define stdoutmark "/*stdout*\\"
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#ifdef _WIN32
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# define nulmark "nul"
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#else
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# define nulmark "/dev/null"
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#endif
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#define LZMA_EXTENSION ".lzma"
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#define XZ_EXTENSION ".xz"
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#define GZ_EXTENSION ".gz"
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#define ZSTD_EXTENSION ".zst"
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#define LZ4_EXTENSION ".lz4"
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/*-*************************************
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* Types
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***************************************/
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typedef enum { FIO_zstdCompression, FIO_gzipCompression, FIO_xzCompression, FIO_lzmaCompression, FIO_lz4Compression } FIO_compressionType_t;
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typedef struct FIO_prefs_s FIO_prefs_t;
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FIO_prefs_t* FIO_createPreferences(void);
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void FIO_freePreferences(FIO_prefs_t* const prefs);
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typedef struct FIO_display_prefs_s FIO_display_prefs_t;
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/*-*************************************
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* Parameters
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***************************************/
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void FIO_setCompressionType(FIO_prefs_t* const prefs, FIO_compressionType_t compressionType);
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void FIO_overwriteMode(FIO_prefs_t* const prefs);
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void FIO_setAdaptiveMode(FIO_prefs_t* const prefs, unsigned adapt);
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void FIO_setAdaptMin(FIO_prefs_t* const prefs, int minCLevel);
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void FIO_setAdaptMax(FIO_prefs_t* const prefs, int maxCLevel);
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void FIO_setBlockSize(FIO_prefs_t* const prefs, int blockSize);
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void FIO_setChecksumFlag(FIO_prefs_t* const prefs, int checksumFlag);
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void FIO_setDictIDFlag(FIO_prefs_t* const prefs, int dictIDFlag);
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void FIO_setLdmBucketSizeLog(FIO_prefs_t* const prefs, int ldmBucketSizeLog);
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void FIO_setLdmFlag(FIO_prefs_t* const prefs, unsigned ldmFlag);
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void FIO_setLdmHashRateLog(FIO_prefs_t* const prefs, int ldmHashRateLog);
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void FIO_setLdmHashLog(FIO_prefs_t* const prefs, int ldmHashLog);
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void FIO_setLdmMinMatch(FIO_prefs_t* const prefs, int ldmMinMatch);
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void FIO_setMemLimit(FIO_prefs_t* const prefs, unsigned memLimit);
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void FIO_setNbWorkers(FIO_prefs_t* const prefs, int nbWorkers);
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void FIO_setOverlapLog(FIO_prefs_t* const prefs, int overlapLog);
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void FIO_setRemoveSrcFile(FIO_prefs_t* const prefs, unsigned flag);
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void FIO_setSparseWrite(FIO_prefs_t* const prefs, unsigned sparse); /**< 0: no sparse; 1: disable on stdout; 2: always enabled */
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void FIO_setRsyncable(FIO_prefs_t* const prefs, int rsyncable);
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void FIO_setTargetCBlockSize(FIO_prefs_t* const prefs, size_t targetCBlockSize);
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void FIO_setLiteralCompressionMode(
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FIO_prefs_t* const prefs,
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ZSTD_literalCompressionMode_e mode);
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void FIO_setNoProgress(unsigned noProgress);
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void FIO_setNotificationLevel(int level);
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/*-*************************************
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* Single File functions
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***************************************/
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/** FIO_compressFilename() :
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@return : 0 == ok; 1 == pb with src file. */
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int FIO_compressFilename (FIO_prefs_t* const prefs,
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const char* outfilename, const char* infilename, const char* dictFileName,
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int compressionLevel, ZSTD_compressionParameters comprParams);
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/** FIO_decompressFilename() :
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@return : 0 == ok; 1 == pb with src file. */
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int FIO_decompressFilename (FIO_prefs_t* const prefs,
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const char* outfilename, const char* infilename, const char* dictFileName);
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int FIO_listMultipleFiles(unsigned numFiles, const char** filenameTable, int displayLevel);
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/*-*************************************
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* Multiple File functions
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***************************************/
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/** FIO_compressMultipleFilenames() :
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@return : nb of missing files */
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int FIO_compressMultipleFilenames(FIO_prefs_t* const prefs,
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const char** srcNamesTable, unsigned nbFiles,
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const char* outFileName, const char* suffix,
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const char* dictFileName, int compressionLevel,
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ZSTD_compressionParameters comprParams);
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/** FIO_decompressMultipleFilenames() :
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@return : nb of missing or skipped files */
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int FIO_decompressMultipleFilenames(FIO_prefs_t* const prefs,
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const char** srcNamesTable, unsigned nbFiles,
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const char* outFileName,
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const char* dictFileName);
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/*-*************************************
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* Advanced stuff (should actually be hosted elsewhere)
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***************************************/
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/* custom crash signal handler */
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void FIO_addAbortHandler(void);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* FILEIO_H_23981798732 */
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