/src/glib/glib/pcre/pcre_config.c
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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 | | #include "config.h" |
45 | | |
46 | | /* Keep the original link size. */ |
47 | | static int real_link_size = LINK_SIZE; |
48 | | |
49 | | #include "pcre_internal.h" |
50 | | |
51 | | |
52 | | /************************************************* |
53 | | * Return info about what features are configured * |
54 | | *************************************************/ |
55 | | |
56 | | /* This function has an extensible interface so that additional items can be |
57 | | added compatibly. |
58 | | |
59 | | Arguments: |
60 | | what what information is required |
61 | | where where to put the information |
62 | | |
63 | | Returns: 0 if data returned, negative on error |
64 | | */ |
65 | | |
66 | | #ifdef COMPILE_PCRE8 |
67 | | PCRE_EXP_DEFN int PCRE_CALL_CONVENTION |
68 | | pcre_config(int what, void *where) |
69 | | #else |
70 | | PCRE_EXP_DEFN int PCRE_CALL_CONVENTION |
71 | | pcre16_config(int what, void *where) |
72 | | #endif |
73 | 0 | { |
74 | 0 | switch (what) |
75 | 0 | { |
76 | 0 | case PCRE_CONFIG_UTF8: |
77 | | #if defined COMPILE_PCRE16 |
78 | | *((int *)where) = 0; |
79 | | return PCRE_ERROR_BADOPTION; |
80 | | #else |
81 | 0 | #if defined SUPPORT_UTF |
82 | 0 | *((int *)where) = 1; |
83 | | #else |
84 | | *((int *)where) = 0; |
85 | | #endif |
86 | 0 | break; |
87 | 0 | #endif |
88 | | |
89 | 0 | case PCRE_CONFIG_UTF16: |
90 | 0 | #if defined COMPILE_PCRE8 |
91 | 0 | *((int *)where) = 0; |
92 | 0 | return PCRE_ERROR_BADOPTION; |
93 | | #else |
94 | | #if defined SUPPORT_UTF |
95 | | *((int *)where) = 1; |
96 | | #else |
97 | | *((int *)where) = 0; |
98 | | #endif |
99 | | break; |
100 | | #endif |
101 | | |
102 | 0 | case PCRE_CONFIG_UNICODE_PROPERTIES: |
103 | 0 | #ifdef SUPPORT_UCP |
104 | 0 | *((int *)where) = 1; |
105 | | #else |
106 | | *((int *)where) = 0; |
107 | | #endif |
108 | 0 | break; |
109 | | |
110 | 0 | case PCRE_CONFIG_JIT: |
111 | | #ifdef SUPPORT_JIT |
112 | | *((int *)where) = 1; |
113 | | #else |
114 | 0 | *((int *)where) = 0; |
115 | 0 | #endif |
116 | 0 | break; |
117 | | |
118 | 0 | case PCRE_CONFIG_JITTARGET: |
119 | | #ifdef SUPPORT_JIT |
120 | | *((const char **)where) = PRIV(jit_get_target)(); |
121 | | #else |
122 | 0 | *((const char **)where) = NULL; |
123 | 0 | #endif |
124 | 0 | break; |
125 | | |
126 | 0 | case PCRE_CONFIG_NEWLINE: |
127 | 0 | *((int *)where) = NEWLINE; |
128 | 0 | break; |
129 | | |
130 | 0 | case PCRE_CONFIG_BSR: |
131 | | #ifdef BSR_ANYCRLF |
132 | | *((int *)where) = 1; |
133 | | #else |
134 | 0 | *((int *)where) = 0; |
135 | 0 | #endif |
136 | 0 | break; |
137 | | |
138 | 0 | case PCRE_CONFIG_LINK_SIZE: |
139 | 0 | *((int *)where) = real_link_size; |
140 | 0 | break; |
141 | | |
142 | 0 | case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD: |
143 | 0 | *((int *)where) = POSIX_MALLOC_THRESHOLD; |
144 | 0 | break; |
145 | | |
146 | 0 | case PCRE_CONFIG_MATCH_LIMIT: |
147 | 0 | *((unsigned long int *)where) = MATCH_LIMIT; |
148 | 0 | break; |
149 | | |
150 | 0 | case PCRE_CONFIG_MATCH_LIMIT_RECURSION: |
151 | 0 | *((unsigned long int *)where) = MATCH_LIMIT_RECURSION; |
152 | 0 | break; |
153 | | |
154 | 0 | case PCRE_CONFIG_STACKRECURSE: |
155 | | #ifdef NO_RECURSE |
156 | | *((int *)where) = 0; |
157 | | #else |
158 | 0 | *((int *)where) = 1; |
159 | 0 | #endif |
160 | 0 | break; |
161 | | |
162 | 0 | default: return PCRE_ERROR_BADOPTION; |
163 | 0 | } |
164 | | |
165 | 0 | return 0; |
166 | 0 | } |
167 | | |
168 | | /* End of pcre_config.c */ |