zstd_decompress_block.h
59 lines
| 2.0 KiB
| text/x-c
|
CLexer
Gregory Szorc
|
r42237 | /* | ||
| * Copyright (c) 2016-present, Yann Collet, Facebook, Inc. | ||||
| * 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. | ||||
| */ | ||||
| #ifndef ZSTD_DEC_BLOCK_H | ||||
| #define ZSTD_DEC_BLOCK_H | ||||
| /*-******************************************************* | ||||
| * Dependencies | ||||
| *********************************************************/ | ||||
| #include <stddef.h> /* size_t */ | ||||
| #include "zstd.h" /* DCtx, and some public functions */ | ||||
| #include "zstd_internal.h" /* blockProperties_t, and some public functions */ | ||||
| #include "zstd_decompress_internal.h" /* ZSTD_seqSymbol */ | ||||
| /* === Prototypes === */ | ||||
| /* note: prototypes already published within `zstd.h` : | ||||
| * ZSTD_decompressBlock() | ||||
| */ | ||||
| /* note: prototypes already published within `zstd_internal.h` : | ||||
| * ZSTD_getcBlockSize() | ||||
| * ZSTD_decodeSeqHeaders() | ||||
| */ | ||||
| /* ZSTD_decompressBlock_internal() : | ||||
| * decompress block, starting at `src`, | ||||
| * into destination buffer `dst`. | ||||
| * @return : decompressed block size, | ||||
| * or an error code (which can be tested using ZSTD_isError()) | ||||
| */ | ||||
| size_t ZSTD_decompressBlock_internal(ZSTD_DCtx* dctx, | ||||
| void* dst, size_t dstCapacity, | ||||
| const void* src, size_t srcSize, const int frame); | ||||
| /* ZSTD_buildFSETable() : | ||||
| * generate FSE decoding table for one symbol (ll, ml or off) | ||||
| * this function must be called with valid parameters only | ||||
| * (dt is large enough, normalizedCounter distribution total is a power of 2, max is within range, etc.) | ||||
| * in which case it cannot fail. | ||||
| * Internal use only. | ||||
| */ | ||||
| void ZSTD_buildFSETable(ZSTD_seqSymbol* dt, | ||||
| const short* normalizedCounter, unsigned maxSymbolValue, | ||||
| const U32* baseValue, const U32* nbAdditionalBits, | ||||
| unsigned tableLog); | ||||
| #endif /* ZSTD_DEC_BLOCK_H */ | ||||