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/* Copyright (C) 2013-2023 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
<https://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>
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