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/* Test of reallocarray function.
Copyright (C) 2010-2020 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdlib.h>
#include <errno.h>
#include "signature.h"
SIGNATURE_CHECK (reallocarray, void *, (void *, size_t, size_t));
int
main ()
{
size_t n;
/* Check that reallocarray fails when requested to allocate a block
of memory larger than SIZE_MAX bytes. */
for (n = 2; n != 0; n <<= 1)
{
if (reallocarray (NULL, (size_t) -1 / n + 1, n))
return 1;
/* Ensure that errno is correctly set. */
if (errno != ENOMEM)
return 1;
}
return 0;
}
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