diff options
author | 2023-12-11 10:48:02 +1100 | |
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committer | 2023-12-11 10:48:02 +1100 | |
commit | 05e69b43e9770e16c4bf1c6ca3e585e64c3f6ff9 (patch) | |
tree | 00ff2118ddc01455ee55785283a2fcfb9bfaf77e /3rdparty/zstd/lib/deprecated/zbuff_decompress.c | |
parent | 1a4287925e3982e2f782dee6f62b198984b839de (diff) |
Added Zstandard support for zip archives and CHDs. (#11827)
* 3rdparty/zstd: Added Zstandard compression library version 1.5.5.
* util/unzip.cpp: Added support for Zstandard compression (method 93).
* util/chdcodec.cpp: Added support for Zstandard compression.
* 3rdparty/flac: Always define NDEBUG to avoid log spam.
Diffstat (limited to '3rdparty/zstd/lib/deprecated/zbuff_decompress.c')
-rw-r--r-- | 3rdparty/zstd/lib/deprecated/zbuff_decompress.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/3rdparty/zstd/lib/deprecated/zbuff_decompress.c b/3rdparty/zstd/lib/deprecated/zbuff_decompress.c new file mode 100644 index 00000000000..12a66af7412 --- /dev/null +++ b/3rdparty/zstd/lib/deprecated/zbuff_decompress.c @@ -0,0 +1,77 @@ +/* + * Copyright (c) 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. + */ + + + +/* ************************************* +* Dependencies +***************************************/ +#define ZSTD_DISABLE_DEPRECATE_WARNINGS /* suppress warning on ZSTD_initDStream_usingDict */ +#include "../zstd.h" /* ZSTD_CStream, ZSTD_DStream, ZSTDLIB_API */ +#define ZBUFF_STATIC_LINKING_ONLY +#include "zbuff.h" + + +ZBUFF_DCtx* ZBUFF_createDCtx(void) +{ + return ZSTD_createDStream(); +} + +ZBUFF_DCtx* ZBUFF_createDCtx_advanced(ZSTD_customMem customMem) +{ + return ZSTD_createDStream_advanced(customMem); +} + +size_t ZBUFF_freeDCtx(ZBUFF_DCtx* zbd) +{ + return ZSTD_freeDStream(zbd); +} + + +/* *** Initialization *** */ + +size_t ZBUFF_decompressInitDictionary(ZBUFF_DCtx* zbd, const void* dict, size_t dictSize) +{ + return ZSTD_initDStream_usingDict(zbd, dict, dictSize); +} + +size_t ZBUFF_decompressInit(ZBUFF_DCtx* zbd) +{ + return ZSTD_initDStream(zbd); +} + + +/* *** Decompression *** */ + +size_t ZBUFF_decompressContinue(ZBUFF_DCtx* zbd, + void* dst, size_t* dstCapacityPtr, + const void* src, size_t* srcSizePtr) +{ + ZSTD_outBuffer outBuff; + ZSTD_inBuffer inBuff; + size_t result; + outBuff.dst = dst; + outBuff.pos = 0; + outBuff.size = *dstCapacityPtr; + inBuff.src = src; + inBuff.pos = 0; + inBuff.size = *srcSizePtr; + result = ZSTD_decompressStream(zbd, &outBuff, &inBuff); + *dstCapacityPtr = outBuff.pos; + *srcSizePtr = inBuff.pos; + return result; +} + + +/* ************************************* +* Tool functions +***************************************/ +size_t ZBUFF_recommendedDInSize(void) { return ZSTD_DStreamInSize(); } +size_t ZBUFF_recommendedDOutSize(void) { return ZSTD_DStreamOutSize(); } |