tools/pcre/pcre_config.c
author Nicholas Hastings <skamonkey@gmail.com>
Sun Jul 15 12:31:06 2012 -0400 (2012-07-15)
changeset 3579 6d730190a3e4
parent 2762 d2d467bf1b5a
child 3831 babd0eee3c5e
permissions -rw-r--r--
Added missing files to each core and logic makefiles (NPOTB).
     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) 1997-2009 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_NEWLINE:
    87   *((int *)where) = NEWLINE;
    88   break;
    89 
    90   case PCRE_CONFIG_BSR:
    91 #ifdef BSR_ANYCRLF
    92   *((int *)where) = 1;
    93 #else
    94   *((int *)where) = 0;
    95 #endif
    96   break;
    97 
    98   case PCRE_CONFIG_LINK_SIZE:
    99   *((int *)where) = LINK_SIZE;
   100   break;
   101 
   102   case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
   103   *((int *)where) = POSIX_MALLOC_THRESHOLD;
   104   break;
   105 
   106   case PCRE_CONFIG_MATCH_LIMIT:
   107   *((unsigned long int *)where) = MATCH_LIMIT;
   108   break;
   109 
   110   case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
   111   *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
   112   break;
   113 
   114   case PCRE_CONFIG_STACKRECURSE:
   115 #ifdef NO_RECURSE
   116   *((int *)where) = 0;
   117 #else
   118   *((int *)where) = 1;
   119 #endif
   120   break;
   121 
   122   default: return PCRE_ERROR_BADOPTION;
   123   }
   124 
   125 return 0;
   126 }
   127 
   128 /* End of pcre_config.c */