/* Copyright (C) 2013-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <locale.h>

#include <stdio.h>

#include <stdint.h>

#include <stdlib.h>

#include <string.h>

#include <support/check.h>

#include <support/test-driver.h>

/* Verify that strcoll does not crash for large strings for which it

   cannot cache weight lookup results.  The size is large enough to

   cause integer overflows on 32-bit as well as buffer overflows on

   64-bit.  */

#define SIZE 0x40000000ul

int

do_test (void)

{

  TEST_VERIFY_EXIT (setlocale (LC_COLLATE, "en_GB.UTF-8") != NULL);

  char *p = malloc (SIZE);

  if (p == NULL)

    {

      puts ("info: could not allocate memory, cannot run test");

      return EXIT_UNSUPPORTED;

    }

  memset (p, 'x', SIZE - 1);

  p[SIZE - 1] = 0;

  printf ("info: strcoll result: %d\n", strcoll (p, p));

  return 0;

}

/* This test can rung for a long time, but it should complete within

   this time on reasonably current hardware.  */

#define TIMEOUT 300

#include <support/test-driver.c>