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60 lines
2.0 KiB
C
60 lines
2.0 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_DEC_BLOCK_H
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#define ZSTD_DEC_BLOCK_H
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/*-*******************************************************
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* Dependencies
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*********************************************************/
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#include <stddef.h> /* size_t */
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#include "zstd.h" /* DCtx, and some public functions */
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#include "zstd_internal.h" /* blockProperties_t, and some public functions */
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#include "zstd_decompress_internal.h" /* ZSTD_seqSymbol */
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/* === Prototypes === */
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/* note: prototypes already published within `zstd.h` :
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* ZSTD_decompressBlock()
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*/
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/* note: prototypes already published within `zstd_internal.h` :
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* ZSTD_getcBlockSize()
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* ZSTD_decodeSeqHeaders()
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*/
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/* ZSTD_decompressBlock_internal() :
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* decompress block, starting at `src`,
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* into destination buffer `dst`.
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* @return : decompressed block size,
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* or an error code (which can be tested using ZSTD_isError())
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*/
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size_t ZSTD_decompressBlock_internal(ZSTD_DCtx* dctx,
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void* dst, size_t dstCapacity,
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const void* src, size_t srcSize, const int frame);
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/* ZSTD_buildFSETable() :
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* generate FSE decoding table for one symbol (ll, ml or off)
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* this function must be called with valid parameters only
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* (dt is large enough, normalizedCounter distribution total is a power of 2, max is within range, etc.)
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* in which case it cannot fail.
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* Internal use only.
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*/
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void ZSTD_buildFSETable(ZSTD_seqSymbol* dt,
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const short* normalizedCounter, unsigned maxSymbolValue,
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const U32* baseValue, const U32* nbAdditionalBits,
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unsigned tableLog);
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#endif /* ZSTD_DEC_BLOCK_H */
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