/* Test of safe automatic memory allocation.

   Copyright (C) 2005, 2007, 2009-2017 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 <http://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2005.  */

#include <config.h>

#include "malloca.h"

#include <stdlib.h>

static void

do_allocation (int n)

{

  void *ptr = malloca (n);

  freea (ptr);

  safe_alloca (n);

}

void (*func) (int) = do_allocation;

int

main ()

{

  int i;

  /* This slows down malloc a lot.  */

  unsetenv ("MALLOC_PERTURB_");

  /* Repeat a lot of times, to make sure there's no memory leak.  */

  for (i = 0; i < 50000; 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);

    }

  return 0;

}