295ab0dbfa
Zstdmt uses prefixes to load the overlap between segments. Loading extra positions makes compression non-deterministic, depending on the previous job the context was used for. Since loading extra position takes extra time as well, only do it when creating a `ZSTD_CDict`. Fixes #1077.
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
/*
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* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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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_DOUBLE_FAST_H
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#define ZSTD_DOUBLE_FAST_H
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#if defined (__cplusplus)
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extern "C" {
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#endif
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#include "mem.h" /* U32 */
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#include "zstd_compress_internal.h" /* ZSTD_CCtx, size_t */
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void ZSTD_fillDoubleHashTable(ZSTD_matchState_t* ms,
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ZSTD_compressionParameters const* cParams,
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void const* end, ZSTD_dictTableLoadMethod_e dtlm);
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size_t ZSTD_compressBlock_doubleFast(
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ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
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ZSTD_compressionParameters const* cParams, void const* src, size_t srcSize);
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size_t ZSTD_compressBlock_doubleFast_extDict(
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ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
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ZSTD_compressionParameters const* cParams, void const* src, size_t srcSize);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* ZSTD_DOUBLE_FAST_H */
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