1 /*************************************************
2 * Perl-Compatible Regular Expressions *
3 *************************************************/
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.
8 Written by Philip Hazel
9 Copyright (c) 1997-2012 University of Cambridge
11 -----------------------------------------------------------------------------
12 Redistribution and use in source and binary forms, with or without
13 modification, are permitted provided that the following conditions are met:
15 * Redistributions of source code must retain the above copyright notice,
16 this list of conditions and the following disclaimer.
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.
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.
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 -----------------------------------------------------------------------------
41 /* This module contains the external function pcre_config(). */
48 /* Keep the original link size. */
49 static int real_link_size = LINK_SIZE;
51 #include "pcre_internal.h"
54 /*************************************************
55 * Return info about what features are configured *
56 *************************************************/
58 /* This function has an extensible interface so that additional items can be
62 what what information is required
63 where where to put the information
65 Returns: 0 if data returned, negative on error
68 #if defined COMPILE_PCRE8
69 PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
70 pcre_config(int what, void *where)
71 #elif defined COMPILE_PCRE16
72 PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
73 pcre16_config(int what, void *where)
74 #elif defined COMPILE_PCRE32
75 PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
76 pcre32_config(int what, void *where)
81 case PCRE_CONFIG_UTF8:
82 #if defined COMPILE_PCRE16 || defined COMPILE_PCRE32
84 return PCRE_ERROR_BADOPTION;
86 #if defined SUPPORT_UTF
94 case PCRE_CONFIG_UTF16:
95 #if defined COMPILE_PCRE8 || defined COMPILE_PCRE32
97 return PCRE_ERROR_BADOPTION;
99 #if defined SUPPORT_UTF
107 case PCRE_CONFIG_UTF32:
108 #if defined COMPILE_PCRE8 || defined COMPILE_PCRE16
110 return PCRE_ERROR_BADOPTION;
112 #if defined SUPPORT_UTF
120 case PCRE_CONFIG_UNICODE_PROPERTIES:
128 case PCRE_CONFIG_JIT:
136 case PCRE_CONFIG_JITTARGET:
138 *((const char **)where) = PRIV(jit_get_target)();
140 *((const char **)where) = NULL;
144 case PCRE_CONFIG_NEWLINE:
145 *((int *)where) = NEWLINE;
148 case PCRE_CONFIG_BSR:
156 case PCRE_CONFIG_LINK_SIZE:
157 *((int *)where) = real_link_size;
160 case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
161 *((int *)where) = POSIX_MALLOC_THRESHOLD;
164 case PCRE_CONFIG_PARENS_LIMIT:
165 *((unsigned long int *)where) = PARENS_NEST_LIMIT;
168 case PCRE_CONFIG_MATCH_LIMIT:
169 *((unsigned long int *)where) = MATCH_LIMIT;
172 case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
173 *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
176 case PCRE_CONFIG_STACKRECURSE:
184 default: return PCRE_ERROR_BADOPTION;
190 /* End of pcre_config.c */