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Member "AutoHotkey_L-1.1.33.09/source/lib_pcre/pcre/pcre_config.c" (8 May 2021, 4464 Bytes) of package /windows/misc/AutoHotkey_L-1.1.33.09.zip:


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    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) 1997-2012 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 /* Keep the original link size. */
   49 static int real_link_size = LINK_SIZE;
   50 
   51 #include "pcre_internal.h"
   52 
   53 
   54 /*************************************************
   55 * Return info about what features are configured *
   56 *************************************************/
   57 
   58 /* This function has an extensible interface so that additional items can be
   59 added compatibly.
   60 
   61 Arguments:
   62   what             what information is required
   63   where            where to put the information
   64 
   65 Returns:           0 if data returned, negative on error
   66 */
   67 
   68 #ifdef COMPILE_PCRE8
   69 PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
   70 pcre_config(int what, void *where)
   71 #else
   72 PCRE_EXP_DEFN int PCRE_CALL_CONVENTION
   73 pcre16_config(int what, void *where)
   74 #endif
   75 {
   76 switch (what)
   77   {
   78   case PCRE_CONFIG_UTF8:
   79 #if defined COMPILE_PCRE16
   80   *((int *)where) = 0;
   81   return PCRE_ERROR_BADOPTION;
   82 #else
   83 #if defined SUPPORT_UTF
   84   *((int *)where) = 1;
   85 #else
   86   *((int *)where) = 0;
   87 #endif
   88   break;
   89 #endif
   90 
   91   case PCRE_CONFIG_UTF16:
   92 #if defined COMPILE_PCRE8
   93   *((int *)where) = 0;
   94   return PCRE_ERROR_BADOPTION;
   95 #else
   96 #if defined SUPPORT_UTF
   97   *((int *)where) = 1;
   98 #else
   99   *((int *)where) = 0;
  100 #endif
  101   break;
  102 #endif
  103 
  104   case PCRE_CONFIG_UNICODE_PROPERTIES:
  105 #ifdef SUPPORT_UCP
  106   *((int *)where) = 1;
  107 #else
  108   *((int *)where) = 0;
  109 #endif
  110   break;
  111 
  112   case PCRE_CONFIG_JIT:
  113 #ifdef SUPPORT_JIT
  114   *((int *)where) = 1;
  115 #else
  116   *((int *)where) = 0;
  117 #endif
  118   break;
  119 
  120   case PCRE_CONFIG_JITTARGET:
  121 #ifdef SUPPORT_JIT
  122   *((const char **)where) = PRIV(jit_get_target)();
  123 #else
  124   *((const char **)where) = NULL;
  125 #endif
  126   break;
  127 
  128   case PCRE_CONFIG_NEWLINE:
  129   *((int *)where) = NEWLINE;
  130   break;
  131 
  132   case PCRE_CONFIG_BSR:
  133 #ifdef BSR_ANYCRLF
  134   *((int *)where) = 1;
  135 #else
  136   *((int *)where) = 0;
  137 #endif
  138   break;
  139 
  140   case PCRE_CONFIG_LINK_SIZE:
  141   *((int *)where) = real_link_size;
  142   break;
  143 
  144   case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
  145   *((int *)where) = POSIX_MALLOC_THRESHOLD;
  146   break;
  147 
  148   case PCRE_CONFIG_MATCH_LIMIT:
  149   *((unsigned long int *)where) = MATCH_LIMIT;
  150   break;
  151 
  152   case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
  153   *((unsigned long int *)where) = MATCH_LIMIT_RECURSION;
  154   break;
  155 
  156   case PCRE_CONFIG_STACKRECURSE:
  157 #ifdef NO_RECURSE
  158   *((int *)where) = 0;
  159 #else
  160   *((int *)where) = 1;
  161 #endif
  162   break;
  163 
  164   default: return PCRE_ERROR_BADOPTION;
  165   }
  166 
  167 return 0;
  168 }
  169 
  170 /* End of pcre_config.c */