xref: /freebsd/sys/contrib/zstd/lib/compress/zstd_lazy.h (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
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 #if defined (__cplusplus)
15 extern "C" {
16 #endif
17 
18 #include "zstd_compress_internal.h"
19 
20 /**
21  * Dedicated Dictionary Search Structure bucket log. In the
22  * ZSTD_dedicatedDictSearch mode, the hashTable has
23  * 2 ** ZSTD_LAZY_DDSS_BUCKET_LOG entries in each bucket, rather than just
24  * one.
25  */
26 #define ZSTD_LAZY_DDSS_BUCKET_LOG 2
27 
28 U32 ZSTD_insertAndFindFirstIndex(ZSTD_matchState_t* ms, const BYTE* ip);
29 void ZSTD_row_update(ZSTD_matchState_t* const ms, const BYTE* ip);
30 
31 void ZSTD_dedicatedDictSearch_lazy_loadDictionary(ZSTD_matchState_t* ms, const BYTE* const ip);
32 
33 void ZSTD_preserveUnsortedMark (U32* const table, U32 const size, U32 const reducerValue);  /*! used in ZSTD_reduceIndex(). preemptively increase value of ZSTD_DUBT_UNSORTED_MARK */
34 
35 size_t ZSTD_compressBlock_btlazy2(
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_lazy2(
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_lazy(
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_greedy(
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_lazy2_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_lazy_row(
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_greedy_row(
54         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
55         void const* src, size_t srcSize);
56 
57 size_t ZSTD_compressBlock_btlazy2_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_lazy2_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_lazy_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_greedy_dictMatchState(
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_lazy2_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_lazy_dictMatchState_row(
73         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
74         void const* src, size_t srcSize);
75 size_t ZSTD_compressBlock_greedy_dictMatchState_row(
76         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
77         void const* src, size_t srcSize);
78 
79 size_t ZSTD_compressBlock_lazy2_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_lazy_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_greedy_dedicatedDictSearch(
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_lazy2_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_lazy_dedicatedDictSearch_row(
92         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
93         void const* src, size_t srcSize);
94 size_t ZSTD_compressBlock_greedy_dedicatedDictSearch_row(
95         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
96         void const* src, size_t srcSize);
97 
98 size_t ZSTD_compressBlock_greedy_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_lazy_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_lazy2_extDict(
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_greedy_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_lazy_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_lazy2_extDict_row(
114         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
115         void const* src, size_t srcSize);
116 size_t ZSTD_compressBlock_btlazy2_extDict(
117         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
118         void const* src, size_t srcSize);
119 
120 
121 #if defined (__cplusplus)
122 }
123 #endif
124 
125 #endif /* ZSTD_LAZY_H */
126