posix/bug-regex2.c

   1 /* Test for memory handling in regex.
   2    Copyright (C) 2001 Free Software Foundation, Inc.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #include <sys/types.h>
  21 #include <mcheck.h>
  22 #include <regex.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25
  26
  27 static const char text[] = "This is a test; this is a test";
  28
  29 int
  30 main (void)
  31 {
  32   regex_t re;
  33   regmatch_t rm[2];
  34   int n;
  35
  36   mtrace ();
  37
  38   n = regcomp (&re, "a test", REG_EXTENDED);
  39   if (n != 0)
  40     {
  41       char buf[500];
  42       regerror (n, &re, buf, sizeof (buf));
  43       printf ("regcomp failed: %s\n", buf);
  44       exit (1);
  45     }
  46
  47   for (n = 0; n < 20; ++n)
  48     regexec (&re, text, 2, rm, 0);
  49
  50   regfree (&re);
  51
  52   return 0;
  53 }