xref: /dflybsd-src/contrib/zstd/lib/compress/zstd_opt.h (revision a28cd43d19e8b720a6c852a4bbc5ae147a26165a)
1a28cd43dSSascha Wildner /*
2a28cd43dSSascha Wildner  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
3a28cd43dSSascha Wildner  * All rights reserved.
4a28cd43dSSascha Wildner  *
5a28cd43dSSascha Wildner  * This source code is licensed under both the BSD-style license (found in the
6a28cd43dSSascha Wildner  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
7a28cd43dSSascha Wildner  * in the COPYING file in the root directory of this source tree).
8a28cd43dSSascha Wildner  * You may select, at your option, one of the above-listed licenses.
9a28cd43dSSascha Wildner  */
10a28cd43dSSascha Wildner 
11a28cd43dSSascha Wildner #ifndef ZSTD_OPT_H
12a28cd43dSSascha Wildner #define ZSTD_OPT_H
13a28cd43dSSascha Wildner 
14a28cd43dSSascha Wildner #if defined (__cplusplus)
15a28cd43dSSascha Wildner extern "C" {
16a28cd43dSSascha Wildner #endif
17a28cd43dSSascha Wildner 
18a28cd43dSSascha Wildner #include "zstd_compress_internal.h"
19a28cd43dSSascha Wildner 
20a28cd43dSSascha Wildner /* used in ZSTD_loadDictionaryContent() */
21a28cd43dSSascha Wildner void ZSTD_updateTree(ZSTD_matchState_t* ms, const BYTE* ip, const BYTE* iend);
22a28cd43dSSascha Wildner 
23a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btopt(
24a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
25a28cd43dSSascha Wildner         void const* src, size_t srcSize);
26a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btultra(
27a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
28a28cd43dSSascha Wildner         void const* src, size_t srcSize);
29a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btultra2(
30a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
31a28cd43dSSascha Wildner         void const* src, size_t srcSize);
32a28cd43dSSascha Wildner 
33a28cd43dSSascha Wildner 
34a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btopt_dictMatchState(
35a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
36a28cd43dSSascha Wildner         void const* src, size_t srcSize);
37a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btultra_dictMatchState(
38a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
39a28cd43dSSascha Wildner         void const* src, size_t srcSize);
40a28cd43dSSascha Wildner 
41a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btopt_extDict(
42a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
43a28cd43dSSascha Wildner         void const* src, size_t srcSize);
44a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btultra_extDict(
45a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
46a28cd43dSSascha Wildner         void const* src, size_t srcSize);
47a28cd43dSSascha Wildner 
48a28cd43dSSascha Wildner         /* note : no btultra2 variant for extDict nor dictMatchState,
49a28cd43dSSascha Wildner          * because btultra2 is not meant to work with dictionaries
50a28cd43dSSascha Wildner          * and is only specific for the first block (no prefix) */
51a28cd43dSSascha Wildner 
52a28cd43dSSascha Wildner #if defined (__cplusplus)
53a28cd43dSSascha Wildner }
54a28cd43dSSascha Wildner #endif
55a28cd43dSSascha Wildner 
56a28cd43dSSascha Wildner #endif /* ZSTD_OPT_H */
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