pcre_config.c

/*************************************************
*      Perl-Compatible Regular Expressions       *
*************************************************/

/* PCRE is a library of functions to support regular expressions whose syntax
and semantics are as close as possible to those of the Perl 5 language.

                       Written by Philip Hazel
           Copyright (c) 1997-2008 University of Cambridge

-----------------------------------------------------------------------------
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    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

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      contributors may be used to endorse or promote products derived from
      this software without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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*/


/* This module contains the external function pcre_config(). */


#ifdef WIN32
#include "pcre_winconfig.h"
#else
#include "config.h"
#endif

#include "pcre_internal.h"


/*************************************************
* Return info about what features are configured *
*************************************************/

/* This function has an extensible interface so that additional items can be
added compatibly.

Arguments:
  what             what information is required
  where            where to put the information

Returns:           0 if data returned, negative on error
*/

PCRE_EXP_DEFN int
pcre_config(int what, void *where)
{
switch (what)
  {
  case PCRE_CONFIG_UTF8:
#ifdef SUPPORT_UTF8
  *((int *)where) = 1;
#else
  *((int *)where) = 0;
#endif
  break;

  case PCRE_CONFIG_UNICODE_PROPERTIES:
#ifdef SUPPORT_UCP
  *((int *)where) = 1;
#else
  *((int *)where) = 0;
#endif
  break;

  case PCRE_CONFIG_NEWLINE:
  *((int *)where) = NEWLINE;
  break;

  case PCRE_CONFIG_BSR:
#ifdef BSR_ANYCRLF
  *((int *)where) = 1;
#else
  *((int *)where) = 0;
#endif
  break;

  case PCRE_CONFIG_LINK_SIZE:
  *((int *)where) = LINK_SIZE;
  break;

  case PCRE_CONFIG_POSIX_MALLOC_THRESHOLD:
  *((int *)where) = POSIX_MALLOC_THRESHOLD;
  break;

  case PCRE_CONFIG_MATCH_LIMIT:
  *((unsigned int *)where) = MATCH_LIMIT;
  break;

  case PCRE_CONFIG_MATCH_LIMIT_RECURSION:
  *((unsigned int *)where) = MATCH_LIMIT_RECURSION;
  break;

  case PCRE_CONFIG_STACKRECURSE:
#ifdef NO_RECURSE
  *((int *)where) = 0;
#else
  *((int *)where) = 1;
#endif
  break;

  default: return PCRE_ERROR_BADOPTION;
  }

return 0;
}

/* End of pcre_config.c */