83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
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/* Copyright (C) 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Wolfram Gloger <wg@malloc.de>, 2001.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <stdio.h>
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#include "malloc.h"
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static int errors = 0;
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static void
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merror (const char *msg)
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{
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++errors;
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printf ("Error: %s\n", msg);
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}
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int
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main (void)
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{
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void *p1, *p2;
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void *save_state;
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long i;
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errno = 0;
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p1 = malloc (10);
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if (p1 == NULL)
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merror ("malloc (10) failed.");
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p2 = malloc (20);
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if (p2 == NULL)
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merror ("malloc (20) failed.");
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free (malloc (10));
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for (i=0; i<100; ++i)
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{
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save_state = malloc_get_state ();
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if (save_state == NULL)
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{
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merror ("malloc_get_state () failed.");
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break;
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}
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/*free (malloc (10)); This could change the top chunk! */
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malloc_set_state (save_state);
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p1 = realloc (p1, i*4 + 4);
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if (p1 == NULL)
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merror ("realloc (i*4) failed.");
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free (save_state);
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}
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p1 = realloc (p1, 40);
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free (p2);
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p2 = malloc (10);
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if (p2 == NULL)
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merror ("malloc (10) failed.");
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free (p1);
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return errors != 0;
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}
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/*
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* Local variables:
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* c-basic-offset: 2
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* End:
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*/
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