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) 1997-2006 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 : /*************************************************
48 : * Return info about what features are configured *
49 : *************************************************/
50 :
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 :
61 : PCRE_DATA_SCOPE int
62 : pcre_config(int what, void *where)
63 0 : {
64 0 : switch (what)
65 : {
66 : case PCRE_CONFIG_UTF8:
67 : #ifdef SUPPORT_UTF8
68 0 : *((int *)where) = 1;
69 : #else
70 : *((int *)where) = 0;
71 : #endif
72 0 : break;
73 :
74 : case PCRE_CONFIG_UNICODE_PROPERTIES:
75 : #ifdef SUPPORT_UCP
76 0 : *((int *)where) = 1;
77 : #else
78 : *((int *)where) = 0;
79 : #endif
80 0 : break;
81 :
82 : case PCRE_CONFIG_NEWLINE:
83 0 : *((int *)where) = NEWLINE;
84 0 : break;
85 :
86 : case PCRE_CONFIG_LINK_SIZE:
87 0 : *((int *)where) = LINK_SIZE;
88 0 : break;
89 :
90 : case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
91 0 : *((int *)where) = POSIX_MALLOC_THRESHOLD;
92 0 : break;
93 :
94 : case PCRE_CONFIG_MATCH_LIMIT:
95 0 : *((unsigned int *)where) = MATCH_LIMIT;
96 0 : break;
97 :
98 : case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
99 0 : *((unsigned int *)where) = MATCH_LIMIT_RECURSION;
100 0 : break;
101 :
102 : case PCRE_CONFIG_STACKRECURSE:
103 : #ifdef NO_RECURSE
104 : *((int *)where) = 0;
105 : #else
106 0 : *((int *)where) = 1;
107 : #endif
108 0 : break;
109 :
110 0 : default: return PCRE_ERROR_BADOPTION;
111 : }
112 :
113 0 : return 0;
114 : }
115 :
116 : /* End of pcre_config.c */
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