blob: 329f3e96c87c2f13d1ef5a643a68a608680f7d15 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/* xdelta 3 - delta compression tools and library
* Copyright (C) 2001 and onward. Joshua P. MacDonald
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/******************************************************************************************
SOFT string matcher
******************************************************************************************/
#if XD3_BUILD_SOFT
#define TEMPLATE soft
#define LLOOK stream->large_look
#define LSTEP stream->large_step
#define SLOOK stream->small_look
#define SCHAIN stream->small_chain
#define SLCHAIN stream->small_lchain
#define SSMATCH stream->ssmatch
#define TRYLAZY stream->try_lazy
#define MAXLAZY stream->max_lazy
#define LONGENOUGH stream->long_enough
#define PROMOTE stream->promote
#define SOFTCFG 1
#include "xdelta3.c"
#undef SOFTCFG
#undef TEMPLATE
#undef LLOOK
#undef SLOOK
#undef LSTEP
#undef SCHAIN
#undef SLCHAIN
#undef SSMATCH
#undef TRYLAZY
#undef MAXLAZY
#undef LONGENOUGH
#undef PROMOTE
#endif
#define SOFTCFG 0
/******************************************************************************************
FAST string matcher
******************************************************************************************/
#if XD3_BUILD_FAST
#define TEMPLATE fast
#define LLOOK 32
#define LSTEP 32
#define SLOOK 4
#define SCHAIN 2 // For testcase/3, this produces miserable performance
#define SLCHAIN 2 // with these values != 1 and large input window size
#define SSMATCH 1
#define TRYLAZY 0
#define MAXLAZY 0
#define LONGENOUGH 64
#define PROMOTE 0
#include "xdelta3.c"
#undef TEMPLATE
#undef LLOOK
#undef SLOOK
#undef LSTEP
#undef SCHAIN
#undef SLCHAIN
#undef SSMATCH
#undef TRYLAZY
#undef MAXLAZY
#undef LONGENOUGH
#undef PROMOTE
#endif
/******************************************************************************************
SLOW string matcher
******************************************************************************************/
#if XD3_BUILD_SLOW
#define TEMPLATE slow
#define LLOOK 64
#define LSTEP 64 // TODO
#define SLOOK 4
#define SCHAIN 128
#define SLCHAIN 16
#define SSMATCH 0
#define TRYLAZY 1
#define MAXLAZY 8
#define LONGENOUGH 128
#define PROMOTE 0
#include "xdelta3.c"
#undef TEMPLATE
#undef LLOOK
#undef SLOOK
#undef LSTEP
#undef SCHAIN
#undef SLCHAIN
#undef SSMATCH
#undef TRYLAZY
#undef MAXLAZY
#undef LONGENOUGH
#undef PROMOTE
#endif
|
