posix/bug-regex21.c

   1 /* Test for memory leaks in regcomp.
   2    Copyright (C) 2003-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the 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    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <mcheck.h>
  20 #include <regex.h>
  21 #include <stdio.h>
  22
  23 int main (void)
  24 {
  25   regex_t re;
  26   int i;
  27   int ret = 0;
  28
  29   mtrace ();
  30
  31   for (i = 0; i < 32; ++i)
  32     {
  33       if (regcomp (&re, "X-.+:.+Y=\".*\\.(A|B|C|D|E|F|G|H|I",
  34                    REG_EXTENDED | REG_ICASE) == 0)
  35         {
  36           puts ("regcomp unexpectedly succeeded");
  37           ret = 1;
  38         }
  39       else
  40         regfree (&re);
  41     }
  42   return ret;
  43 }