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https://github.com/facebook/zstd.git
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b2ad17a658
* mmap for windows * remove enabling mmap for testing * rename FIO dictionary initialization methods + un-const dictionary objects in free functions * remove enabling mmap for testing * initDict returns void, underlying setDictBuffer methods return the size of the set buffer * fix comment
87 lines
2.4 KiB
C
87 lines
2.4 KiB
C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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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_TYPES_HEADER
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#define FILEIO_TYPES_HEADER
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#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_compressionParameters */
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#include "../lib/zstd.h" /* ZSTD_* */
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/*-*************************************
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* Parameters: FIO_prefs_t
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***************************************/
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typedef struct FIO_display_prefs_s FIO_display_prefs_t;
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typedef enum { FIO_ps_auto, FIO_ps_never, FIO_ps_always } FIO_progressSetting_e;
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struct FIO_display_prefs_s {
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int displayLevel; /* 0 : no display; 1: errors; 2: + result + interaction + warnings; 3: + progression; 4: + information */
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FIO_progressSetting_e progressSetting;
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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 {
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/* Algorithm preferences */
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FIO_compressionType_t compressionType;
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int sparseFileSupport; /* 0: no sparse allowed; 1: auto (file yes, stdout no); 2: force sparse */
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int dictIDFlag;
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int checksumFlag;
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int blockSize;
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int overlapLog;
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int adaptiveMode;
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int useRowMatchFinder;
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int rsyncable;
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int minAdaptLevel;
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int maxAdaptLevel;
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int ldmFlag;
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int ldmHashLog;
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int ldmMinMatch;
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int ldmBucketSizeLog;
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int ldmHashRateLog;
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size_t streamSrcSize;
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size_t targetCBlockSize;
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int srcSizeHint;
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int testMode;
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ZSTD_paramSwitch_e literalCompressionMode;
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/* IO preferences */
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int removeSrcFile;
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int overwrite;
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int asyncIO;
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/* Computation resources preferences */
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unsigned memLimit;
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int nbWorkers;
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int excludeCompressedFiles;
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int patchFromMode;
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int contentSize;
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int allowBlockDevices;
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int passThrough;
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ZSTD_paramSwitch_e mmapDict;
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} FIO_prefs_t;
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typedef enum {FIO_mallocDict, FIO_mmapDict} FIO_dictBufferType_t;
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typedef struct {
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void* dictBuffer;
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size_t dictBufferSize;
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FIO_dictBufferType_t dictBufferType;
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#if defined(_MSC_VER) || defined(_WIN32)
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HANDLE dictHandle;
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#endif
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} FIO_Dict_t;
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#endif /* FILEIO_TYPES_HEADER */
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