46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "memory_manager.h"
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#define MY_HEAP_SIZE 4096
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#define ALLOC_COUNT 100
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#define ALLOC_SIZE 10
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int main()
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{
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char my_heap[MY_HEAP_SIZE];
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mmInit(my_heap, MY_HEAP_SIZE);
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void* ptr[ALLOC_COUNT];
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printf("TC6: Heap size: %d: allocation count: %d, allocation size: %d - Lots of small allocations with interleaved frees\n", MY_HEAP_SIZE, ALLOC_COUNT, ALLOC_SIZE);
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for(int i = 0 ; i < ALLOC_COUNT; i++) {
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printf("%d - 1 -- Available Memory: %d, Alloc Memory: %d, Fragment Count: %d\n", i, get_remaining_space(), get_allocated_space(), get_fragment_count());
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ptr[i] = mymalloc_ff(ALLOC_SIZE);
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if(ptr[i] == NULL) {
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printf("ptr[%d] - mymalloc_ff(%d) failed\n", i, ALLOC_SIZE);
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exit(EXIT_FAILURE);
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}
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printf("%d 2 -- Available Memory: %d, Alloc Memory: %d, Fragment Count: %d\n", i, get_remaining_space(), get_allocated_space(), get_fragment_count());
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}
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for(int i = 0; i < ALLOC_COUNT; i += 2) {
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printf("Freeing ptr[%d], Fragment Count: %d\n", i, get_fragment_count());
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myfree(ptr[i]);
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}
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for(int i = 1; i < ALLOC_COUNT; i += 2) {
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myfree(ptr[i]);
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printf("Freeing ptr[%d], Fragment Count: %d\n", i, get_fragment_count());
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}
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printf("Total successful mallocs: %d\n", get_mymalloc_count());
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mmDestroy();
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return 0;
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}
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