summaryrefslogtreecommitdiff
path: root/xdelta3/xdelta3-cfgs.h
diff options
context:
space:
mode:
Diffstat (limited to 'xdelta3/xdelta3-cfgs.h')
-rwxr-xr-xxdelta3/xdelta3-cfgs.h118
1 files changed, 118 insertions, 0 deletions
diff --git a/xdelta3/xdelta3-cfgs.h b/xdelta3/xdelta3-cfgs.h
new file mode 100755
index 0000000..329f3e9
--- /dev/null
+++ b/xdelta3/xdelta3-cfgs.h
@@ -0,0 +1,118 @@
1/* xdelta 3 - delta compression tools and library
2 * Copyright (C) 2001 and onward. Joshua P. MacDonald
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
19/******************************************************************************************
20 SOFT string matcher
21 ******************************************************************************************/
22
23#if XD3_BUILD_SOFT
24
25#define TEMPLATE soft
26#define LLOOK stream->large_look
27#define LSTEP stream->large_step
28#define SLOOK stream->small_look
29#define SCHAIN stream->small_chain
30#define SLCHAIN stream->small_lchain
31#define SSMATCH stream->ssmatch
32#define TRYLAZY stream->try_lazy
33#define MAXLAZY stream->max_lazy
34#define LONGENOUGH stream->long_enough
35#define PROMOTE stream->promote
36
37#define SOFTCFG 1
38#include "xdelta3.c"
39#undef SOFTCFG
40
41#undef TEMPLATE
42#undef LLOOK
43#undef SLOOK
44#undef LSTEP
45#undef SCHAIN
46#undef SLCHAIN
47#undef SSMATCH
48#undef TRYLAZY
49#undef MAXLAZY
50#undef LONGENOUGH
51#undef PROMOTE
52#endif
53
54#define SOFTCFG 0
55
56/******************************************************************************************
57 FAST string matcher
58 ******************************************************************************************/
59#if XD3_BUILD_FAST
60#define TEMPLATE fast
61#define LLOOK 32
62#define LSTEP 32
63#define SLOOK 4
64
65#define SCHAIN 2 // For testcase/3, this produces miserable performance
66#define SLCHAIN 2 // with these values != 1 and large input window size
67
68#define SSMATCH 1
69#define TRYLAZY 0
70#define MAXLAZY 0
71#define LONGENOUGH 64
72#define PROMOTE 0
73
74#include "xdelta3.c"
75
76#undef TEMPLATE
77#undef LLOOK
78#undef SLOOK
79#undef LSTEP
80#undef SCHAIN
81#undef SLCHAIN
82#undef SSMATCH
83#undef TRYLAZY
84#undef MAXLAZY
85#undef LONGENOUGH
86#undef PROMOTE
87#endif
88
89/******************************************************************************************
90 SLOW string matcher
91 ******************************************************************************************/
92#if XD3_BUILD_SLOW
93#define TEMPLATE slow
94#define LLOOK 64
95#define LSTEP 64 // TODO
96#define SLOOK 4
97#define SCHAIN 128
98#define SLCHAIN 16
99#define SSMATCH 0
100#define TRYLAZY 1
101#define MAXLAZY 8
102#define LONGENOUGH 128
103#define PROMOTE 0
104
105#include "xdelta3.c"
106
107#undef TEMPLATE
108#undef LLOOK
109#undef SLOOK
110#undef LSTEP
111#undef SCHAIN
112#undef SLCHAIN
113#undef SSMATCH
114#undef TRYLAZY
115#undef MAXLAZY
116#undef LONGENOUGH
117#undef PROMOTE
118#endif