xref: /linux/lib/zstd/compress/zstd_lazy.h (revision 07f0148aafe8c95a3a76cd59e9e75b4d78d1d31d)
1 /*
2  * Copyright (c) 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 
15 #include "zstd_compress_internal.h"
16 
17 /*
18  * Dedicated Dictionary Search Structure bucket log. In the
19  * ZSTD_dedicatedDictSearch mode, the hashTable has
20  * 2 ** ZSTD_LAZY_DDSS_BUCKET_LOG entries in each bucket, rather than just
21  * one.
22  */
23 #define ZSTD_LAZY_DDSS_BUCKET_LOG 2
24 
25 U32 ZSTD_insertAndFindFirstIndex(ZSTD_matchState_t* ms, const BYTE* ip);
26 void ZSTD_row_update(ZSTD_matchState_t* const ms, const BYTE* ip);
27 
28 void ZSTD_dedicatedDictSearch_lazy_loadDictionary(ZSTD_matchState_t* ms, const BYTE* const ip);
29 
30 void ZSTD_preserveUnsortedMark (U32* const table, U32 const size, U32 const reducerValue);  /*! used in ZSTD_reduceIndex(). preemptively increase value of ZSTD_DUBT_UNSORTED_MARK */
31 
32 size_t ZSTD_compressBlock_btlazy2(
33         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
34         void const* src, size_t srcSize);
35 size_t ZSTD_compressBlock_lazy2(
36         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
37         void const* src, size_t srcSize);
38 size_t ZSTD_compressBlock_lazy(
39         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
40         void const* src, size_t srcSize);
41 size_t ZSTD_compressBlock_greedy(
42         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
43         void const* src, size_t srcSize);
44 size_t ZSTD_compressBlock_lazy2_row(
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_lazy_row(
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_greedy_row(
51         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
52         void const* src, size_t srcSize);
53 
54 size_t ZSTD_compressBlock_btlazy2_dictMatchState(
55         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
56         void const* src, size_t srcSize);
57 size_t ZSTD_compressBlock_lazy2_dictMatchState(
58         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
59         void const* src, size_t srcSize);
60 size_t ZSTD_compressBlock_lazy_dictMatchState(
61         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
62         void const* src, size_t srcSize);
63 size_t ZSTD_compressBlock_greedy_dictMatchState(
64         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
65         void const* src, size_t srcSize);
66 size_t ZSTD_compressBlock_lazy2_dictMatchState_row(
67         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
68         void const* src, size_t srcSize);
69 size_t ZSTD_compressBlock_lazy_dictMatchState_row(
70         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
71         void const* src, size_t srcSize);
72 size_t ZSTD_compressBlock_greedy_dictMatchState_row(
73         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
74         void const* src, size_t srcSize);
75 
76 size_t ZSTD_compressBlock_lazy2_dedicatedDictSearch(
77         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
78         void const* src, size_t srcSize);
79 size_t ZSTD_compressBlock_lazy_dedicatedDictSearch(
80         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
81         void const* src, size_t srcSize);
82 size_t ZSTD_compressBlock_greedy_dedicatedDictSearch(
83         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
84         void const* src, size_t srcSize);
85 size_t ZSTD_compressBlock_lazy2_dedicatedDictSearch_row(
86         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
87         void const* src, size_t srcSize);
88 size_t ZSTD_compressBlock_lazy_dedicatedDictSearch_row(
89         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
90         void const* src, size_t srcSize);
91 size_t ZSTD_compressBlock_greedy_dedicatedDictSearch_row(
92         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
93         void const* src, size_t srcSize);
94 
95 size_t ZSTD_compressBlock_greedy_extDict(
96         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
97         void const* src, size_t srcSize);
98 size_t ZSTD_compressBlock_lazy_extDict(
99         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
100         void const* src, size_t srcSize);
101 size_t ZSTD_compressBlock_lazy2_extDict(
102         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
103         void const* src, size_t srcSize);
104 size_t ZSTD_compressBlock_greedy_extDict_row(
105         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
106         void const* src, size_t srcSize);
107 size_t ZSTD_compressBlock_lazy_extDict_row(
108         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
109         void const* src, size_t srcSize);
110 size_t ZSTD_compressBlock_lazy2_extDict_row(
111         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
112         void const* src, size_t srcSize);
113 size_t ZSTD_compressBlock_btlazy2_extDict(
114         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
115         void const* src, size_t srcSize);
116 
117 
118 
119 #endif /* ZSTD_LAZY_H */
120