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/* Test of optional automatic memory allocation.
Copyright (C) 2005, 2007, 2009-2024 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/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
#include <config.h>
#include <alloca.h>
#if HAVE_ALLOCA
static void
do_allocation (int n)
{
void *volatile ptr = alloca (n);
(void) ptr;
}
void (*volatile func) (int) = do_allocation;
#endif
int
main ()
{
#if HAVE_ALLOCA
int i;
/* Repeat a lot of times, to make sure there's no memory leak. */
for (i = 0; i < 100000; i++)
{
/* Try various values.
n = 0 gave a crash on Alpha with gcc-2.5.8.
Some versions of Mac OS X have a stack size limit of 512 KB. */
func (34);
func (134);
func (399);
func (510823);
func (129321);
func (0);
func (4070);
func (4095);
func (1);
func (16582);
}
#endif
return 0;
}
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