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688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* Copyright (C) 2013-2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <locale.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/test-driver.h>
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/* Verify that strcoll does not crash for large strings for which it
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cannot cache weight lookup results. The size is large enough to
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cause integer overflows on 32-bit as well as buffer overflows on
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64-bit. */
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#define SIZE 0x40000000ul
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int
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do_test (void)
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{
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TEST_VERIFY_EXIT (setlocale (LC_COLLATE, "en_GB.UTF-8") != NULL);
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char *p = malloc (SIZE);
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if (p == NULL)
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{
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puts ("info: could not allocate memory, cannot run test");
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return EXIT_UNSUPPORTED;
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}
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memset (p, 'x', SIZE - 1);
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p[SIZE - 1] = 0;
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printf ("info: strcoll result: %d\n", strcoll (p, p));
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return 0;
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}
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/* This test can rung for a long time, but it should complete within
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this time on reasonably current hardware. */
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#define TIMEOUT 300
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#include <support/test-driver.c>
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