xref: /freebsd-src/sys/contrib/openzfs/module/zstd/lib/compress/zstd_opt.h (revision c03c5b1c80914ec656fbee84539355d1fad68bf9)
1*c03c5b1cSMartin Matuska /*
2*c03c5b1cSMartin Matuska  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
3*c03c5b1cSMartin Matuska  * All rights reserved.
4*c03c5b1cSMartin Matuska  *
5*c03c5b1cSMartin Matuska  * This source code is licensed under both the BSD-style license (found in the
6*c03c5b1cSMartin Matuska  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
7*c03c5b1cSMartin Matuska  * in the COPYING file in the root directory of this source tree).
8*c03c5b1cSMartin Matuska  * You may select, at your option, one of the above-listed licenses.
9*c03c5b1cSMartin Matuska  */
10*c03c5b1cSMartin Matuska 
11*c03c5b1cSMartin Matuska #ifndef ZSTD_OPT_H
12*c03c5b1cSMartin Matuska #define ZSTD_OPT_H
13*c03c5b1cSMartin Matuska 
14*c03c5b1cSMartin Matuska #if defined (__cplusplus)
15*c03c5b1cSMartin Matuska extern "C" {
16*c03c5b1cSMartin Matuska #endif
17*c03c5b1cSMartin Matuska 
18*c03c5b1cSMartin Matuska #include "zstd_compress_internal.h"
19*c03c5b1cSMartin Matuska 
20*c03c5b1cSMartin Matuska /* used in ZSTD_loadDictionaryContent() */
21*c03c5b1cSMartin Matuska void ZSTD_updateTree(ZSTD_matchState_t* ms, const BYTE* ip, const BYTE* iend);
22*c03c5b1cSMartin Matuska 
23*c03c5b1cSMartin Matuska size_t ZSTD_compressBlock_btopt(
24*c03c5b1cSMartin Matuska         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
25*c03c5b1cSMartin Matuska         void const* src, size_t srcSize);
26*c03c5b1cSMartin Matuska size_t ZSTD_compressBlock_btultra(
27*c03c5b1cSMartin Matuska         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
28*c03c5b1cSMartin Matuska         void const* src, size_t srcSize);
29*c03c5b1cSMartin Matuska size_t ZSTD_compressBlock_btultra2(
30*c03c5b1cSMartin Matuska         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
31*c03c5b1cSMartin Matuska         void const* src, size_t srcSize);
32*c03c5b1cSMartin Matuska 
33*c03c5b1cSMartin Matuska 
34*c03c5b1cSMartin Matuska size_t ZSTD_compressBlock_btopt_dictMatchState(
35*c03c5b1cSMartin Matuska         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
36*c03c5b1cSMartin Matuska         void const* src, size_t srcSize);
37*c03c5b1cSMartin Matuska size_t ZSTD_compressBlock_btultra_dictMatchState(
38*c03c5b1cSMartin Matuska         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
39*c03c5b1cSMartin Matuska         void const* src, size_t srcSize);
40*c03c5b1cSMartin Matuska 
41*c03c5b1cSMartin Matuska size_t ZSTD_compressBlock_btopt_extDict(
42*c03c5b1cSMartin Matuska         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
43*c03c5b1cSMartin Matuska         void const* src, size_t srcSize);
44*c03c5b1cSMartin Matuska size_t ZSTD_compressBlock_btultra_extDict(
45*c03c5b1cSMartin Matuska         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
46*c03c5b1cSMartin Matuska         void const* src, size_t srcSize);
47*c03c5b1cSMartin Matuska 
48*c03c5b1cSMartin Matuska         /* note : no btultra2 variant for extDict nor dictMatchState,
49*c03c5b1cSMartin Matuska          * because btultra2 is not meant to work with dictionaries
50*c03c5b1cSMartin Matuska          * and is only specific for the first block (no prefix) */
51*c03c5b1cSMartin Matuska 
52*c03c5b1cSMartin Matuska #if defined (__cplusplus)
53*c03c5b1cSMartin Matuska }
54*c03c5b1cSMartin Matuska #endif
55*c03c5b1cSMartin Matuska 
56*c03c5b1cSMartin Matuska #endif /* ZSTD_OPT_H */
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