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Annotation of embedaddon/pcre/pcre_config.c, revision 1.1.1.1

1.1       misho       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 */