xref: /freebsd/sys/contrib/openzfs/module/zstd/lib/compress/zstd_lazy.h (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
1 /*
2  * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
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_LAZY_H
12 #define ZSTD_LAZY_H
13 
14 #if defined (__cplusplus)
15 extern "C" {
16 #endif
17 
18 #include "zstd_compress_internal.h"
19 
20 U32 ZSTD_insertAndFindFirstIndex(ZSTD_matchState_t* ms, const BYTE* ip);
21 
22 void ZSTD_preserveUnsortedMark (U32* const table, U32 const size, U32 const reducerValue);  /*! used in ZSTD_reduceIndex(). preemptively increase value of ZSTD_DUBT_UNSORTED_MARK */
23 
24 size_t ZSTD_compressBlock_btlazy2(
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_lazy2(
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_lazy(
31         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
32         void const* src, size_t srcSize);
33 size_t ZSTD_compressBlock_greedy(
34         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
35         void const* src, size_t srcSize);
36 
37 size_t ZSTD_compressBlock_btlazy2_dictMatchState(
38         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
39         void const* src, size_t srcSize);
40 size_t ZSTD_compressBlock_lazy2_dictMatchState(
41         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
42         void const* src, size_t srcSize);
43 size_t ZSTD_compressBlock_lazy_dictMatchState(
44         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
45         void const* src, size_t srcSize);
46 size_t ZSTD_compressBlock_greedy_dictMatchState(
47         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
48         void const* src, size_t srcSize);
49 
50 size_t ZSTD_compressBlock_greedy_extDict(
51         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
52         void const* src, size_t srcSize);
53 size_t ZSTD_compressBlock_lazy_extDict(
54         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
55         void const* src, size_t srcSize);
56 size_t ZSTD_compressBlock_lazy2_extDict(
57         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
58         void const* src, size_t srcSize);
59 size_t ZSTD_compressBlock_btlazy2_extDict(
60         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
61         void const* src, size_t srcSize);
62 
63 #if defined (__cplusplus)
64 }
65 #endif
66 
67 #endif /* ZSTD_LAZY_H */
68