xref: /dflybsd-src/contrib/zstd/lib/compress/zstd_lazy.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_LAZY_H
12*a28cd43dSSascha Wildner #define ZSTD_LAZY_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 /**
21*a28cd43dSSascha Wildner  * Dedicated Dictionary Search Structure bucket log. In the
22*a28cd43dSSascha Wildner  * ZSTD_dedicatedDictSearch mode, the hashTable has
23*a28cd43dSSascha Wildner  * 2 ** ZSTD_LAZY_DDSS_BUCKET_LOG entries in each bucket, rather than just
24*a28cd43dSSascha Wildner  * one.
25*a28cd43dSSascha Wildner  */
26*a28cd43dSSascha Wildner #define ZSTD_LAZY_DDSS_BUCKET_LOG 2
27*a28cd43dSSascha Wildner 
28*a28cd43dSSascha Wildner U32 ZSTD_insertAndFindFirstIndex(ZSTD_matchState_t* ms, const BYTE* ip);
29*a28cd43dSSascha Wildner 
30*a28cd43dSSascha Wildner void ZSTD_dedicatedDictSearch_lazy_loadDictionary(ZSTD_matchState_t* ms, const BYTE* const ip);
31*a28cd43dSSascha Wildner 
32*a28cd43dSSascha Wildner void ZSTD_preserveUnsortedMark (U32* const table, U32 const size, U32 const reducerValue);  /*! used in ZSTD_reduceIndex(). preemptively increase value of ZSTD_DUBT_UNSORTED_MARK */
33*a28cd43dSSascha Wildner 
34*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btlazy2(
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_lazy2(
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 size_t ZSTD_compressBlock_lazy(
41*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
42*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
43*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_greedy(
44*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
45*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
46*a28cd43dSSascha Wildner 
47*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btlazy2_dictMatchState(
48*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
49*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
50*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_lazy2_dictMatchState(
51*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
52*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
53*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_lazy_dictMatchState(
54*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
55*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
56*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_greedy_dictMatchState(
57*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
58*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
59*a28cd43dSSascha Wildner 
60*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_lazy2_dedicatedDictSearch(
61*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
62*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
63*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_lazy_dedicatedDictSearch(
64*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
65*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
66*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_greedy_dedicatedDictSearch(
67*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
68*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
69*a28cd43dSSascha Wildner 
70*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_greedy_extDict(
71*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
72*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
73*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_lazy_extDict(
74*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
75*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
76*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_lazy2_extDict(
77*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
78*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
79*a28cd43dSSascha Wildner size_t ZSTD_compressBlock_btlazy2_extDict(
80*a28cd43dSSascha Wildner         ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
81*a28cd43dSSascha Wildner         void const* src, size_t srcSize);
82*a28cd43dSSascha Wildner 
83*a28cd43dSSascha Wildner #if defined (__cplusplus)
84*a28cd43dSSascha Wildner }
85*a28cd43dSSascha Wildner #endif
86*a28cd43dSSascha Wildner 
87*a28cd43dSSascha Wildner #endif /* ZSTD_LAZY_H */
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