1  /*
       2   * xregcomp.c: regcomp with error checking
       3   *
       4   * Copyright (C) 2008 Colin Watson.
       5   *
       6   * This file is part of man-db.
       7   *
       8   * man-db is free software; you can redistribute it and/or modify it
       9   * under the terms of the GNU General Public License as published by
      10   * the Free Software Foundation; either version 2 of the License, or
      11   * (at your option) any later version.
      12   *
      13   * man-db is distributed in the hope that it will be useful, but
      14   * WITHOUT ANY WARRANTY; without even the implied warranty of
      15   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16   * GNU General Public License for more details.
      17   *
      18   * You should have received a copy of the GNU General Public License
      19   * along with man-db; if not, write to the Free Software Foundation,
      20   * Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
      21   */
      22  
      23  #ifdef HAVE_CONFIG_H
      24  #  include "config.h"
      25  #endif /* HAVE_CONFIG_H */
      26  
      27  #include <stddef.h>
      28  
      29  #include "regex.h"
      30  
      31  #include "gettext.h"
      32  #include <locale.h>
      33  #define _(String) gettext (String)
      34  
      35  #include "manconfig.h"
      36  
      37  #include "fatal.h"
      38  #include "xalloc.h"
      39  #include "xregcomp.h"
      40  
      41  void xregcomp (regex_t *preg, const char *regex, int cflags)
      42  {
      43  	int err = regcomp (preg, regex, cflags);
      44  	if (err) {
      45  		size_t errstrsize;
      46  		char *errstr;
      47  		errstrsize = regerror (err, preg, NULL, 0);
      48  		errstr = xmalloc (errstrsize);
      49  		regerror (err, preg, errstr, errstrsize);
      50  		fatal (0, _("fatal: regex `%s': %s"), regex, errstr);
      51  	}
      52  }