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pcre_config.c
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1 
5 /* PCRE is a library of functions to support regular expressions whose syntax
6 and semantics are as close as possible to those of the Perl 5 language.
7 
8  Written by Philip Hazel
9  Copyright (c) 1997-2006 University of Cambridge
10 
11 -----------------------------------------------------------------------------
12 Redistribution and use in source and binary forms, with or without
13 modification, are permitted provided that the following conditions are met:
14 
15  * Redistributions of source code must retain the above copyright notice,
16  this list of conditions and the following disclaimer.
17 
18  * Redistributions in binary form must reproduce the above copyright
19  notice, this list of conditions and the following disclaimer in the
20  documentation and/or other materials provided with the distribution.
21 
22  * Neither the name of the University of Cambridge nor the names of its
23  contributors may be used to endorse or promote products derived from
24  this software without specific prior written permission.
25 
26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
30 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 POSSIBILITY OF SUCH DAMAGE.
37 -----------------------------------------------------------------------------
38 */
39 
40 
41 /* This module contains the external function pcre_config(). */
42 
43 
44 #include "pcre_internal.h"
45 
46 
47 
51 /* This function has an extensible interface so that additional items can be
52 added compatibly.
53 
54 Arguments:
55  what what information is required
56  where where to put the information
57 
58 Returns: 0 if data returned, negative on error
59 */
60 
62 pcre_config(int what, void *where)
63 {
64 switch (what)
65  {
66  case PCRE_CONFIG_UTF8:
67 #ifdef SUPPORT_UTF8
68  *((int *)where) = 1;
69 #else
70  *((int *)where) = 0;
71 #endif
72  break;
73 
75 #ifdef SUPPORT_UCP
76  *((int *)where) = 1;
77 #else
78  *((int *)where) = 0;
79 #endif
80  break;
81 
83  *((int *)where) = NEWLINE;
84  break;
85 
87  *((int *)where) = LINK_SIZE;
88  break;
89 
91  *((int *)where) = POSIX_MALLOC_THRESHOLD;
92  break;
93 
95  *((unsigned int *)where) = MATCH_LIMIT;
96  break;
97 
99  *((unsigned int *)where) = MATCH_LIMIT_RECURSION;
100  break;
101 
103 #ifdef NO_RECURSE
104  *((int *)where) = 0;
105 #else
106  *((int *)where) = 1;
107 #endif
108  break;
109 
110  default: return PCRE_ERROR_BADOPTION;
111  }
112 
113 return 0;
114 }
115 
116 /* End of pcre_config.c */
PCRE_ERROR_BADOPTION
#define PCRE_ERROR_BADOPTION
Definition: pcre.h:127
PCRE_CONFIG_STACKRECURSE
#define PCRE_CONFIG_STACKRECURSE
Definition: pcre.h:174
PCRE_CONFIG_UTF8
#define PCRE_CONFIG_UTF8
Definition: pcre.h:169
PCRE_CONFIG_MATCH_LIMIT
#define PCRE_CONFIG_MATCH_LIMIT
Definition: pcre.h:173
pcre_config
int pcre_config(int what, void *where)
Definition: pcre_config.c:62
PCRE_CONFIG_MATCH_LIMIT_RECURSION
#define PCRE_CONFIG_MATCH_LIMIT_RECURSION
Definition: pcre.h:176
PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
#define PCRE_CONFIG_POSIX_MALLOC_THRESHOLD
Definition: pcre.h:172
PCRE_DATA_SCOPE
#define PCRE_DATA_SCOPE
Definition: pcre.h:81
PCRE_CONFIG_NEWLINE
#define PCRE_CONFIG_NEWLINE
Definition: pcre.h:170
pcre_internal.h
PCRE_CONFIG_LINK_SIZE
#define PCRE_CONFIG_LINK_SIZE
Definition: pcre.h:171
POSIX_MALLOC_THRESHOLD
#define POSIX_MALLOC_THRESHOLD
Definition: config.h:6
PCRE_CONFIG_UNICODE_PROPERTIES
#define PCRE_CONFIG_UNICODE_PROPERTIES
Definition: pcre.h:175