posix/bug-regex3.c

   1 /* Test for case handling in regex.
   2    Copyright (C) 2001-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <https://www.gnu.org/licenses/>.  */
  19
  20 #include <sys/types.h>
  21 #include <regex.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24
  25
  26 int
  27 main (void)
  28 {
  29   regex_t re;
  30   int n;
  31
  32   n = regcomp (&re, "[a-bA-B]", REG_ICASE);
  33   if (n != 0)
  34     {
  35       char buf[500];
  36       regerror (n, &re, buf, sizeof (buf));
  37       printf ("regcomp failed: %s\n", buf);
  38       exit (1);
  39     }
  40
  41   regfree (&re);
  42
  43   return 0;
  44 }