1/* Test of safe automatic memory allocation.
2   Copyright (C) 2005, 2007, 2009, 2010 Free Software Foundation, Inc.
3
4   This program is free software: you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 3 of the License, or
7   (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
16
17/* Written by Bruno Haible <bruno@clisp.org>, 2005.  */
18
19#include <config.h>
20
21#include "malloca.h"
22
23#include <stdlib.h>
24
25static void
26do_allocation (int n)
27{
28  void *ptr = malloca (n);
29  freea (ptr);
30  ptr = safe_alloca (n);
31}
32
33void (*func) (int) = do_allocation;
34
35int
36main ()
37{
38  int i;
39
40  /* Repeat a lot of times, to make sure there's no memory leak.  */
41  for (i = 0; i < 50000; i++)
42    {
43      /* Try various values.
44         n = 0 gave a crash on Alpha with gcc-2.5.8.
45         Some versions of MacOS X have a stack size limit of 512 KB.  */
46      func (34);
47      func (134);
48      func (399);
49      func (510823);
50      func (129321);
51      func (0);
52      func (4070);
53      func (4095);
54      func (1);
55      func (16582);
56    }
57
58  return 0;
59}
60