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glibc  2.9
bug-regex2.c
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00001 /* Test for memory handling in regex.
00002    Copyright (C) 2001 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
00005 
00006    The GNU C Library is free software; you can redistribute it and/or
00007    modify it under the terms of the GNU Lesser General Public
00008    License as published by the Free Software Foundation; either
00009    version 2.1 of the License, or (at your option) any later version.
00010 
00011    The GNU C Library is distributed in the hope that it will be useful,
00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014    Lesser General Public License for more details.
00015 
00016    You should have received a copy of the GNU Lesser General Public
00017    License along with the GNU C Library; if not, write to the Free
00018    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00019    02111-1307 USA.  */
00020 
00021 #include <sys/types.h>
00022 #include <mcheck.h>
00023 #include <regex.h>
00024 #include <stdio.h>
00025 #include <stdlib.h>
00026 
00027 
00028 static const char text[] = "This is a test; this is a test";
00029 
00030 int
00031 main (void)
00032 {
00033   regex_t re;
00034   regmatch_t rm[2];
00035   int n;
00036 
00037   mtrace ();
00038 
00039   n = regcomp (&re, "a test", REG_EXTENDED);
00040   if (n != 0)
00041     {
00042       char buf[500];
00043       regerror (n, &re, buf, sizeof (buf));
00044       printf ("regcomp failed: %s\n", buf);
00045       exit (1);
00046     }
00047 
00048   for (n = 0; n < 20; ++n)
00049     regexec (&re, text, 2, rm, 0);
00050 
00051   regfree (&re);
00052 
00053   return 0;
00054 }