?? fillheap.c
字號:
#include <stdio.h>
#include <alloc.h>
void main(void)
{
char *buffer1, *buffer2, *buffer3;
int i, state;
buffer1 = malloc(100);
buffer2 = malloc(200);
buffer3 = malloc(300);
free(buffer2); // Free space in the middle
state = heapfillfree('A');
if (state == _HEAPOK)
printf("Heap is ok\n");
else if (state == _HEAPCORRUPT)
printf("Heap is corrupt\n");
for (i = 0; i <= 150; i++)
buffer1[i] = i;
state = heapcheckfree('A');
if (state == _HEAPOK)
printf("Heap is ok\n");
else if (state == _HEAPCORRUPT)
printf("Heap is corrupt\n");
else if (state == _BADVALUE)
printf("Value has been changed in free space\n");
}
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