Files
CS3841/06-MemoryManager/testcases/tc6.c
p-w-rs 7bb91e666d stuff
2022-09-07 11:18:56 -05:00

46 lines
1.3 KiB
C

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