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