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>