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author | Ruslan Kovalev <ruslan.a.kovalev@gmail.com> | 2022-02-10 16:46:45 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:46:45 +0300 |
commit | 9123176b341b6f2658cff5132482b8237c1416c8 (patch) | |
tree | 49e222ea1c5804306084bb3ae065bb702625360f /contrib/libs/zstd/lib/legacy/zstd_v03.h | |
parent | 59e19371de37995fcb36beb16cd6ec030af960bc (diff) | |
download | ydb-9123176b341b6f2658cff5132482b8237c1416c8.tar.gz |
Restoring authorship annotation for Ruslan Kovalev <ruslan.a.kovalev@gmail.com>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/zstd/lib/legacy/zstd_v03.h')
-rw-r--r-- | contrib/libs/zstd/lib/legacy/zstd_v03.h | 132 |
1 files changed, 66 insertions, 66 deletions
diff --git a/contrib/libs/zstd/lib/legacy/zstd_v03.h b/contrib/libs/zstd/lib/legacy/zstd_v03.h index ffe72f0db2..7a00d4304b 100644 --- a/contrib/libs/zstd/lib/legacy/zstd_v03.h +++ b/contrib/libs/zstd/lib/legacy/zstd_v03.h @@ -7,34 +7,34 @@ * 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_V03_H_298734209782 #define ZSTD_V03_H_298734209782 - -#if defined (__cplusplus) -extern "C" { -#endif - -/* ************************************* -* Includes -***************************************/ -#include <stddef.h> /* size_t */ - - -/* ************************************* -* Simple one-step function -***************************************/ -/** -ZSTDv03_decompress() : decompress ZSTD frames compliant with v0.3.x format - compressedSize : is the exact source size - maxOriginalSize : is the size of the 'dst' buffer, which must be already allocated. - It must be equal or larger than originalSize, otherwise decompression will fail. - return : the number of bytes decompressed into destination buffer (originalSize) - or an errorCode if it fails (which can be tested using ZSTDv01_isError()) -*/ -size_t ZSTDv03_decompress( void* dst, size_t maxOriginalSize, - const void* src, size_t compressedSize); - + +#if defined (__cplusplus) +extern "C" { +#endif + +/* ************************************* +* Includes +***************************************/ +#include <stddef.h> /* size_t */ + + +/* ************************************* +* Simple one-step function +***************************************/ +/** +ZSTDv03_decompress() : decompress ZSTD frames compliant with v0.3.x format + compressedSize : is the exact source size + maxOriginalSize : is the size of the 'dst' buffer, which must be already allocated. + It must be equal or larger than originalSize, otherwise decompression will fail. + return : the number of bytes decompressed into destination buffer (originalSize) + or an errorCode if it fails (which can be tested using ZSTDv01_isError()) +*/ +size_t ZSTDv03_decompress( void* dst, size_t maxOriginalSize, + const void* src, size_t compressedSize); + /** ZSTDv03_findFrameSizeInfoLegacy() : get the source length and decompressed bound of a ZSTD frame compliant with v0.3.x format srcSize : The size of the 'src' buffer, at least as large as the frame pointed to by 'src' @@ -49,45 +49,45 @@ size_t ZSTDv03_decompress( void* dst, size_t maxOriginalSize, size_t* cSize, unsigned long long* dBound); /** -ZSTDv03_isError() : tells if the result of ZSTDv03_decompress() is an error -*/ -unsigned ZSTDv03_isError(size_t code); - - -/* ************************************* -* Advanced functions -***************************************/ -typedef struct ZSTDv03_Dctx_s ZSTDv03_Dctx; -ZSTDv03_Dctx* ZSTDv03_createDCtx(void); -size_t ZSTDv03_freeDCtx(ZSTDv03_Dctx* dctx); - -size_t ZSTDv03_decompressDCtx(void* ctx, - void* dst, size_t maxOriginalSize, - const void* src, size_t compressedSize); - -/* ************************************* -* Streaming functions -***************************************/ -size_t ZSTDv03_resetDCtx(ZSTDv03_Dctx* dctx); - -size_t ZSTDv03_nextSrcSizeToDecompress(ZSTDv03_Dctx* dctx); -size_t ZSTDv03_decompressContinue(ZSTDv03_Dctx* dctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize); -/** - Use above functions alternatively. - ZSTD_nextSrcSizeToDecompress() tells how much bytes to provide as 'srcSize' to ZSTD_decompressContinue(). - ZSTD_decompressContinue() will use previous data blocks to improve compression if they are located prior to current block. - Result is the number of bytes regenerated within 'dst'. - It can be zero, which is not an error; it just means ZSTD_decompressContinue() has decoded some header. -*/ - -/* ************************************* -* Prefix - version detection -***************************************/ -#define ZSTDv03_magicNumber 0xFD2FB523 /* v0.3 */ - - -#if defined (__cplusplus) -} -#endif +ZSTDv03_isError() : tells if the result of ZSTDv03_decompress() is an error +*/ +unsigned ZSTDv03_isError(size_t code); + + +/* ************************************* +* Advanced functions +***************************************/ +typedef struct ZSTDv03_Dctx_s ZSTDv03_Dctx; +ZSTDv03_Dctx* ZSTDv03_createDCtx(void); +size_t ZSTDv03_freeDCtx(ZSTDv03_Dctx* dctx); + +size_t ZSTDv03_decompressDCtx(void* ctx, + void* dst, size_t maxOriginalSize, + const void* src, size_t compressedSize); + +/* ************************************* +* Streaming functions +***************************************/ +size_t ZSTDv03_resetDCtx(ZSTDv03_Dctx* dctx); + +size_t ZSTDv03_nextSrcSizeToDecompress(ZSTDv03_Dctx* dctx); +size_t ZSTDv03_decompressContinue(ZSTDv03_Dctx* dctx, void* dst, size_t maxDstSize, const void* src, size_t srcSize); +/** + Use above functions alternatively. + ZSTD_nextSrcSizeToDecompress() tells how much bytes to provide as 'srcSize' to ZSTD_decompressContinue(). + ZSTD_decompressContinue() will use previous data blocks to improve compression if they are located prior to current block. + Result is the number of bytes regenerated within 'dst'. + It can be zero, which is not an error; it just means ZSTD_decompressContinue() has decoded some header. +*/ + +/* ************************************* +* Prefix - version detection +***************************************/ +#define ZSTDv03_magicNumber 0xFD2FB523 /* v0.3 */ + + +#if defined (__cplusplus) +} +#endif #endif /* ZSTD_V03_H_298734209782 */ |