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      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 #include "zstd_compress_internal.h"
     15 
     16 #if !defined(ZSTD_EXCLUDE_BTLAZY2_BLOCK_COMPRESSOR) \
     17  || !defined(ZSTD_EXCLUDE_BTOPT_BLOCK_COMPRESSOR) \
     18  || !defined(ZSTD_EXCLUDE_BTULTRA_BLOCK_COMPRESSOR)
     19 /* used in ZSTD_loadDictionaryContent() */
     20 void ZSTD_updateTree(ZSTD_MatchState_t* ms, const BYTE* ip, const BYTE* iend);
     21 #endif
     22 
     23 #ifndef ZSTD_EXCLUDE_BTOPT_BLOCK_COMPRESSOR
     24 size_t ZSTD_compressBlock_btopt(
     25         ZSTD_MatchState_t* ms, SeqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
     26         void const* src, size_t srcSize);
     27 size_t ZSTD_compressBlock_btopt_dictMatchState(
     28         ZSTD_MatchState_t* ms, SeqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
     29         void const* src, size_t srcSize);
     30 size_t ZSTD_compressBlock_btopt_extDict(
     31         ZSTD_MatchState_t* ms, SeqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
     32         void const* src, size_t srcSize);
     33 
     34 #define ZSTD_COMPRESSBLOCK_BTOPT ZSTD_compressBlock_btopt
     35 #define ZSTD_COMPRESSBLOCK_BTOPT_DICTMATCHSTATE ZSTD_compressBlock_btopt_dictMatchState
     36 #define ZSTD_COMPRESSBLOCK_BTOPT_EXTDICT ZSTD_compressBlock_btopt_extDict
     37 #else
     38 #define ZSTD_COMPRESSBLOCK_BTOPT NULL
     39 #define ZSTD_COMPRESSBLOCK_BTOPT_DICTMATCHSTATE NULL
     40 #define ZSTD_COMPRESSBLOCK_BTOPT_EXTDICT NULL
     41 #endif
     42 
     43 #ifndef ZSTD_EXCLUDE_BTULTRA_BLOCK_COMPRESSOR
     44 size_t ZSTD_compressBlock_btultra(
     45         ZSTD_MatchState_t* ms, SeqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
     46         void const* src, size_t srcSize);
     47 size_t ZSTD_compressBlock_btultra_dictMatchState(
     48         ZSTD_MatchState_t* ms, SeqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
     49         void const* src, size_t srcSize);
     50 size_t ZSTD_compressBlock_btultra_extDict(
     51         ZSTD_MatchState_t* ms, SeqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
     52         void const* src, size_t srcSize);
     53 
     54         /* note : no btultra2 variant for extDict nor dictMatchState,
     55          * because btultra2 is not meant to work with dictionaries
     56          * and is only specific for the first block (no prefix) */
     57 size_t ZSTD_compressBlock_btultra2(
     58         ZSTD_MatchState_t* ms, SeqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
     59         void const* src, size_t srcSize);
     60 
     61 #define ZSTD_COMPRESSBLOCK_BTULTRA ZSTD_compressBlock_btultra
     62 #define ZSTD_COMPRESSBLOCK_BTULTRA_DICTMATCHSTATE ZSTD_compressBlock_btultra_dictMatchState
     63 #define ZSTD_COMPRESSBLOCK_BTULTRA_EXTDICT ZSTD_compressBlock_btultra_extDict
     64 #define ZSTD_COMPRESSBLOCK_BTULTRA2 ZSTD_compressBlock_btultra2
     65 #else
     66 #define ZSTD_COMPRESSBLOCK_BTULTRA NULL
     67 #define ZSTD_COMPRESSBLOCK_BTULTRA_DICTMATCHSTATE NULL
     68 #define ZSTD_COMPRESSBLOCK_BTULTRA_EXTDICT NULL
     69 #define ZSTD_COMPRESSBLOCK_BTULTRA2 NULL
     70 #endif
     71 
     72 #endif /* ZSTD_OPT_H */
     73