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			57 lines
		
	
	
		
			962 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			962 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <malloc.h>
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| #include <stdio.h>
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| #include <stdlib.h>
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| #include <string.h>
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| 
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| #define N 10000
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| 
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| static void *arr[N];
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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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|   for (int i = 0; i < N; ++i)
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|     {
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|       size_t size = random () % 16384;
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| 
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|       if ((arr[i] = malloc (size)) == NULL)
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| 	{
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| 	nomem:
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| 	  puts ("not enough memory");
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| 	  return 0;
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| 	}
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| 
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|       memset (arr[i], size, size);
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|     }
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| 
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|   void *p = malloc (256);
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|   if (p == NULL)
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|     goto nomem;
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|   memset (p, 1, 256);
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| 
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|   puts ("==================================================================");
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| 
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|   for (int i = 0; i < N; ++i)
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|     if (i % 13 != 0)
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|       free (arr[i]);
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| 
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|   puts ("==================================================================");
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| 
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|   malloc_trim (0);
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| 
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|   puts ("==================================================================");
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| 
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|   p = malloc (30000);
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|   if (p == NULL)
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|     goto nomem;
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| 
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|   memset (p, 2, 30000);
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| 
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|   malloc_trim (0);
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| 
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|   return 0;
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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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