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php5  5.3.10
pcre_config.c
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00001 /*************************************************
00002 *      Perl-Compatible Regular Expressions       *
00003 *************************************************/
00004 
00005 /* PCRE is a library of functions to support regular expressions whose syntax
00006 and semantics are as close as possible to those of the Perl 5 language.
00007 
00008                        Written by Philip Hazel
00009            Copyright (c) 1997-2009 University of Cambridge
00010 
00011 -----------------------------------------------------------------------------
00012 Redistribution and use in source and binary forms, with or without
00013 modification, are permitted provided that the following conditions are met:
00014 
00015     * Redistributions of source code must retain the above copyright notice,
00016       this list of conditions and the following disclaimer.
00017 
00018     * Redistributions in binary form must reproduce the above copyright
00019       notice, this list of conditions and the following disclaimer in the
00020       documentation and/or other materials provided with the distribution.
00021 
00022     * Neither the name of the University of Cambridge nor the names of its
00023       contributors may be used to endorse or promote products derived from
00024       this software without specific prior written permission.
00025 
00026 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00027 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00028 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00029 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00030 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00031 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00032 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00033 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00034 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00035 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00036 POSSIBILITY OF SUCH DAMAGE.
00037 -----------------------------------------------------------------------------
00038 */
00039 
00040 
00041 /* This module contains the external function pcre_config(). */
00042 
00043 
00044 #include "config.h"
00045 
00046 #include "pcre_internal.h"
00047 
00048 
00049 /*************************************************
00050 * Return info about what features are configured *
00051 *************************************************/
00052 
00053 /* This function has an extensible interface so that additional items can be
00054 added compatibly.
00055 
00056 Arguments:
00057   what             what information is required
00058   where            where to put the information
00059 
00060 Returns:           0 if data returned, negative on error
00061 */
00062 
00063 PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
00064 pcre_config(int what, void *where)
00065 {
00066 switch (what)
00067   {
00068   case PCRE_CONFIG_UTF8:
00069 #ifdef SUPPORT_UTF8
00070   *((int *)where) = 1;
00071 #else
00072   *((int *)where) = 0;
00073 #endif
00074   break;
00075 
00076   case PCRE_CONFIG_UNICODE_PROPERTIES:
00077 #ifdef SUPPORT_UCP
00078   *((int *)where) = 1;
00079 #else
00080   *((int *)where) = 0;
00081 #endif
00082   break;
00083 
00084   case PCRE_CONFIG_NEWLINE:
00085   *((int *)where) = NEWLINE;
00086   break;
00087 
00088   case PCRE_CONFIG_BSR:
00089 #ifdef BSR_ANYCRLF
00090   *((int *)where) = 1;
00091 #else
00092   *((int *)where) = 0;
00093 #endif
00094   break;
00095 
00096   case PCRE_CONFIG_LINK_SIZE:
00097   *((int *)where) = LINK_SIZE;
00098   break;
00099 
00100   case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
00101   *((int *)where) = POSIX_MALLOC_THRESHOLD;
00102   break;
00103 
00104   case PCRE_CONFIG_MATCH_LIMIT:
00105   *((unsigned long int *)where) = MATCH_LIMIT;
00106   break;
00107 
00108   case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
00109   *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
00110   break;
00111 
00112   case PCRE_CONFIG_STACKRECURSE:
00113 #ifdef NO_RECURSE
00114   *((int *)where) = 0;
00115 #else
00116   *((int *)where) = 1;
00117 #endif
00118   break;
00119 
00120   default: return PCRE_ERROR_BADOPTION;
00121   }
00122 
00123 return 0;
00124 }
00125 
00126 /* End of pcre_config.c */