1 /* 2 * Copyright (c) Meta Platforms, Inc. and affiliates. 3 * All rights reserved. 4 * 5 * This source code is licensed under both the BSD-style license (found in the 6 * LICENSE file in the root directory of this source tree) and the GPLv2 (found 7 * in the COPYING file in the root directory of this source tree). 8 * You may select, at your option, one of the above-listed licenses. 9 */ 10 11 #ifndef ZSTD_OPT_H 12 #define ZSTD_OPT_H 13 14 #if defined (__cplusplus) 15 extern "C" { 16 #endif 17 18 #include "zstd_compress_internal.h" 19 20 #if !defined(ZSTD_EXCLUDE_BTLAZY2_BLOCK_COMPRESSOR) \ 21 || !defined(ZSTD_EXCLUDE_BTOPT_BLOCK_COMPRESSOR) \ 22 || !defined(ZSTD_EXCLUDE_BTULTRA_BLOCK_COMPRESSOR) 23 /* used in ZSTD_loadDictionaryContent() */ 24 void ZSTD_updateTree(ZSTD_matchState_t* ms, const BYTE* ip, const BYTE* iend); 25 #endif 26 27 #ifndef ZSTD_EXCLUDE_BTOPT_BLOCK_COMPRESSOR 28 size_t ZSTD_compressBlock_btopt( 29 ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM], 30 void const* src, size_t srcSize); 31 size_t ZSTD_compressBlock_btopt_dictMatchState( 32 ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM], 33 void const* src, size_t srcSize); 34 size_t ZSTD_compressBlock_btopt_extDict( 35 ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM], 36 void const* src, size_t srcSize); 37 38 #define ZSTD_COMPRESSBLOCK_BTOPT ZSTD_compressBlock_btopt 39 #define ZSTD_COMPRESSBLOCK_BTOPT_DICTMATCHSTATE ZSTD_compressBlock_btopt_dictMatchState 40 #define ZSTD_COMPRESSBLOCK_BTOPT_EXTDICT ZSTD_compressBlock_btopt_extDict 41 #else 42 #define ZSTD_COMPRESSBLOCK_BTOPT NULL 43 #define ZSTD_COMPRESSBLOCK_BTOPT_DICTMATCHSTATE NULL 44 #define ZSTD_COMPRESSBLOCK_BTOPT_EXTDICT NULL 45 #endif 46 47 #ifndef ZSTD_EXCLUDE_BTULTRA_BLOCK_COMPRESSOR 48 size_t ZSTD_compressBlock_btultra( 49 ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM], 50 void const* src, size_t srcSize); 51 size_t ZSTD_compressBlock_btultra_dictMatchState( 52 ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM], 53 void const* src, size_t srcSize); 54 size_t ZSTD_compressBlock_btultra_extDict( 55 ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM], 56 void const* src, size_t srcSize); 57 58 /* note : no btultra2 variant for extDict nor dictMatchState, 59 * because btultra2 is not meant to work with dictionaries 60 * and is only specific for the first block (no prefix) */ 61 size_t ZSTD_compressBlock_btultra2( 62 ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM], 63 void const* src, size_t srcSize); 64 65 #define ZSTD_COMPRESSBLOCK_BTULTRA ZSTD_compressBlock_btultra 66 #define ZSTD_COMPRESSBLOCK_BTULTRA_DICTMATCHSTATE ZSTD_compressBlock_btultra_dictMatchState 67 #define ZSTD_COMPRESSBLOCK_BTULTRA_EXTDICT ZSTD_compressBlock_btultra_extDict 68 #define ZSTD_COMPRESSBLOCK_BTULTRA2 ZSTD_compressBlock_btultra2 69 #else 70 #define ZSTD_COMPRESSBLOCK_BTULTRA NULL 71 #define ZSTD_COMPRESSBLOCK_BTULTRA_DICTMATCHSTATE NULL 72 #define ZSTD_COMPRESSBLOCK_BTULTRA_EXTDICT NULL 73 #define ZSTD_COMPRESSBLOCK_BTULTRA2 NULL 74 #endif 75 76 #if defined (__cplusplus) 77 } 78 #endif 79 80 #endif /* ZSTD_OPT_H */ 81