/[pcre]/code/trunk/pcre_config.c
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Contents of /code/trunk/pcre_config.c

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Revision 872 - (show annotations)
Sat Jan 14 16:27:27 2012 UTC (7 years, 9 months ago) by ph10
File MIME type: text/plain
File size: 4306 byte(s)
Make pcre[16]_config set 0 in the data field when it returns BADOPTION because 
PCRE_INFO_UTF8/16 has been called in the wrong library.
1 /*************************************************
2 * Perl-Compatible Regular Expressions *
3 *************************************************/
4
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) 1997-2012 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 #ifdef HAVE_CONFIG_H
45 #include "config.h"
46 #endif
47
48 /* Keep the original link size. */
49 static int real_link_size = LINK_SIZE;
50
51 #include "pcre_internal.h"
52
53
54 /*************************************************
55 * Return info about what features are configured *
56 *************************************************/
57
58 /* This function has an extensible interface so that additional items can be
59 added compatibly.
60
61 Arguments:
62 what what information is required
63 where where to put the information
64
65 Returns: 0 if data returned, negative on error
66 */
67
68 #ifdef COMPILE_PCRE8
69 PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
70 pcre_config(int what, void *where)
71 #else
72 PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
73 pcre16_config(int what, void *where)
74 #endif
75 {
76 switch (what)
77 {
78 case PCRE_CONFIG_UTF8:
79 #if defined COMPILE_PCRE16
80 *((int *)where) = 0;
81 return PCRE_ERROR_BADOPTION;
82 #else
83 #if defined SUPPORT_UTF
84 *((int *)where) = 1;
85 #else
86 *((int *)where) = 0;
87 #endif
88 break;
89 #endif
90
91 case PCRE_CONFIG_UTF16:
92 #if defined COMPILE_PCRE8
93 *((int *)where) = 0;
94 return PCRE_ERROR_BADOPTION;
95 #else
96 #if defined SUPPORT_UTF
97 *((int *)where) = 1;
98 #else
99 *((int *)where) = 0;
100 #endif
101 break;
102 #endif
103
104 case PCRE_CONFIG_UNICODE_PROPERTIES:
105 #ifdef SUPPORT_UCP
106 *((int *)where) = 1;
107 #else
108 *((int *)where) = 0;
109 #endif
110 break;
111
112 case PCRE_CONFIG_JIT:
113 #ifdef SUPPORT_JIT
114 *((int *)where) = 1;
115 #else
116 *((int *)where) = 0;
117 #endif
118 break;
119
120 case PCRE_CONFIG_NEWLINE:
121 *((int *)where) = NEWLINE;
122 break;
123
124 case PCRE_CONFIG_BSR:
125 #ifdef BSR_ANYCRLF
126 *((int *)where) = 1;
127 #else
128 *((int *)where) = 0;
129 #endif
130 break;
131
132 case PCRE_CONFIG_LINK_SIZE:
133 *((int *)where) = real_link_size;
134 break;
135
136 case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
137 *((int *)where) = POSIX_MALLOC_THRESHOLD;
138 break;
139
140 case PCRE_CONFIG_MATCH_LIMIT:
141 *((unsigned long int *)where) = MATCH_LIMIT;
142 break;
143
144 case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
145 *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
146 break;
147
148 case PCRE_CONFIG_STACKRECURSE:
149 #ifdef NO_RECURSE
150 *((int *)where) = 0;
151 #else
152 *((int *)where) = 1;
153 #endif
154 break;
155
156 default: return PCRE_ERROR_BADOPTION;
157 }
158
159 return 0;
160 }
161
162 /* End of pcre_config.c */

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