Tristan Matthews | 0461646 | 2013-11-14 16:09:34 -0500 | [diff] [blame] | 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) 1997-2011 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 | #include "pcre_internal.h" |
| 49 | |
| 50 | |
| 51 | /************************************************* |
| 52 | * Return info about what features are configured * |
| 53 | *************************************************/ |
| 54 | |
| 55 | /* This function has an extensible interface so that additional items can be |
| 56 | added compatibly. |
| 57 | |
| 58 | Arguments: |
| 59 | what what information is required |
| 60 | where where to put the information |
| 61 | |
| 62 | Returns: 0 if data returned, negative on error |
| 63 | */ |
| 64 | |
| 65 | PCRE_EXP_DEFN int PCRE_CALL_CONVENTION |
| 66 | pcre_config(int what, void *where) |
| 67 | { |
| 68 | switch (what) |
| 69 | { |
| 70 | case PCRE_CONFIG_UTF8: |
| 71 | #ifdef SUPPORT_UTF8 |
| 72 | *((int *)where) = 1; |
| 73 | #else |
| 74 | *((int *)where) = 0; |
| 75 | #endif |
| 76 | break; |
| 77 | |
| 78 | case PCRE_CONFIG_UNICODE_PROPERTIES: |
| 79 | #ifdef SUPPORT_UCP |
| 80 | *((int *)where) = 1; |
| 81 | #else |
| 82 | *((int *)where) = 0; |
| 83 | #endif |
| 84 | break; |
| 85 | |
| 86 | case PCRE_CONFIG_JIT: |
| 87 | #ifdef SUPPORT_JIT |
| 88 | *((int *)where) = 1; |
| 89 | #else |
| 90 | *((int *)where) = 0; |
| 91 | #endif |
| 92 | break; |
| 93 | |
| 94 | case PCRE_CONFIG_NEWLINE: |
| 95 | *((int *)where) = NEWLINE; |
| 96 | break; |
| 97 | |
| 98 | case PCRE_CONFIG_BSR: |
| 99 | #ifdef BSR_ANYCRLF |
| 100 | *((int *)where) = 1; |
| 101 | #else |
| 102 | *((int *)where) = 0; |
| 103 | #endif |
| 104 | break; |
| 105 | |
| 106 | case PCRE_CONFIG_LINK_SIZE: |
| 107 | *((int *)where) = LINK_SIZE; |
| 108 | break; |
| 109 | |
| 110 | case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD: |
| 111 | *((int *)where) = POSIX_MALLOC_THRESHOLD; |
| 112 | break; |
| 113 | |
| 114 | case PCRE_CONFIG_MATCH_LIMIT: |
| 115 | *((unsigned long int *)where) = MATCH_LIMIT; |
| 116 | break; |
| 117 | |
| 118 | case PCRE_CONFIG_MATCH_LIMIT_RECURSION: |
| 119 | *((unsigned long int *)where) = MATCH_LIMIT_RECURSION; |
| 120 | break; |
| 121 | |
| 122 | case PCRE_CONFIG_STACKRECURSE: |
| 123 | #ifdef NO_RECURSE |
| 124 | *((int *)where) = 0; |
| 125 | #else |
| 126 | *((int *)where) = 1; |
| 127 | #endif |
| 128 | break; |
| 129 | |
| 130 | default: return PCRE_ERROR_BADOPTION; |
| 131 | } |
| 132 | |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | /* End of pcre_config.c */ |