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