posix/bug-regex3.c

   1 /* Test for case handling in regex.
   2    Copyright (C) 2001-2023 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 <sys/types.h>
  20 #include <regex.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23
  24
  25 int
  26 main (void)
  27 {
  28   regex_t re;
  29   int n;
  30
  31   n = regcomp (&re, "[a-bA-B]", REG_ICASE);
  32   if (n != 0)
  33     {
  34       char buf[500];
  35       regerror (n, &re, buf, sizeof (buf));
  36       printf ("regcomp failed: %s\n", buf);
  37       exit (1);
  38     }
  39
  40   regfree (&re);
  41
  42   return 0;
  43 }