zstd_v02.h

Go to the documentation of this file.

/*
 * Copyright (c) Yann Collet, Meta Platforms, Inc. and affiliates.
 * 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 ZSTD_V02_H_4174539423
#define ZSTD_V02_H_4174539423
 
#if defined (__cplusplus)
extern "C" {
#endif
 
/* *************************************
*  Includes
***************************************/
#include <stddef.h>   /* size_t */
 
 
/* *************************************
*  Simple one-step function
***************************************/
size_t ZSTDv02_decompress( void* dst, size_t maxOriginalSize,
                     const void* src, size_t compressedSize);
 
void ZSTDv02_findFrameSizeInfoLegacy(const void *src, size_t srcSize,
                                     size_t* cSize, unsigned long long* dBound);
 
unsigned ZSTDv02_isError(size_t code);
 
 
/* *************************************
*  Advanced functions
***************************************/
typedef struct ZSTDv02_Dctx_s ZSTDv02_Dctx;
ZSTDv02_Dctx* ZSTDv02_createDCtx(void);
size_t ZSTDv02_freeDCtx(ZSTDv02_Dctx* dctx);
 
size_t ZSTDv02_decompressDCtx(void* ctx,
                              void* dst, size_t maxOriginalSize,
                        const void* src, size_t compressedSize);
 
/* *************************************
*  Streaming functions
***************************************/
size_t ZSTDv02_resetDCtx(ZSTDv02_Dctx* dctx);
 
size_t ZSTDv02_nextSrcSizeToDecompress(ZSTDv02_Dctx* dctx);
size_t ZSTDv02_decompressContinue(ZSTDv02_Dctx* dctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize);
/* *************************************
*  Prefix - version detection
***************************************/
#define ZSTDv02_magicNumber 0xFD2FB522   /* v0.2 */
 
 
#if defined (__cplusplus)
}
#endif
 
#endif /* ZSTD_V02_H_4174539423 */