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			85 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright (C) 2001-2015 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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| 
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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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| 
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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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| 
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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, see
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|    <http://www.gnu.org/licenses/>.  */
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| 
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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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| 
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| static int errors = 0;
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| 
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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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| 
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| static int
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| do_test (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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| 
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|   errno = 0;
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| 
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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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| 
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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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| 
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|   free (malloc (10));
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| 
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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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| 
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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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| 
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|   return errors != 0;
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| }
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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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| 
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| #define TEST_FUNCTION do_test ()
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| #include "../test-skeleton.c"
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