posix/tst-fnmatch5.c

   1 /* Test for fnmatch handling of collating elements
   2    Copyright (C) 2019-2023 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 <fnmatch.h>
  20 #include <locale.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <support/check.h>
  24
  25 #define LENGTH 20000000
  26
  27 static char pattern[LENGTH + 7];
  28
  29 static int
  30 do_test (void)
  31 {
  32   TEST_VERIFY_EXIT (setlocale (LC_ALL, "en_US.UTF-8") != NULL);
  33
  34   pattern[0] = '[';
  35   pattern[1] = '[';
  36   pattern[2] = '.';
  37   memset (pattern + 3, 'a', LENGTH);
  38   pattern[LENGTH + 3] = '.';
  39   pattern[LENGTH + 4] = ']';
  40   pattern[LENGTH + 5] = ']';
  41   TEST_VERIFY (fnmatch (pattern, "a", 0) != 0);
  42
  43   return 0;
  44 }
  45
  46 #include <support/test-driver.c>