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bbcddb127a
This commit only replaces the bundled source and does not include any ZFS integration changes. Because the build depends on integration adjustments, it will fail until the accompanying integration commit is applied. Upstream release: https://github.com/facebook/zstd/releases/tag/v1.5.7 Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Alexander Moch <mail@alexmoch.com> Closes #18089
40 lines
1.6 KiB
C
40 lines
1.6 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 ZSTD_COMPRESS_LITERALS_H
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#define ZSTD_COMPRESS_LITERALS_H
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#include "zstd_compress_internal.h" /* ZSTD_hufCTables_t, ZSTD_minGain() */
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size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t srcSize);
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/* ZSTD_compressRleLiteralsBlock() :
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* Conditions :
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* - All bytes in @src are identical
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* - dstCapacity >= 4 */
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size_t ZSTD_compressRleLiteralsBlock (void* dst, size_t dstCapacity, const void* src, size_t srcSize);
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/* ZSTD_compressLiterals():
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* @entropyWorkspace: must be aligned on 4-bytes boundaries
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* @entropyWorkspaceSize : must be >= HUF_WORKSPACE_SIZE
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* @suspectUncompressible: sampling checks, to potentially skip huffman coding
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*/
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size_t ZSTD_compressLiterals (void* dst, size_t dstCapacity,
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const void* src, size_t srcSize,
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void* entropyWorkspace, size_t entropyWorkspaceSize,
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const ZSTD_hufCTables_t* prevHuf,
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ZSTD_hufCTables_t* nextHuf,
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ZSTD_strategy strategy, int disableLiteralCompression,
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int suspectUncompressible,
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int bmi2);
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#endif /* ZSTD_COMPRESS_LITERALS_H */
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