First-fit works

Labs/Lab7/src/allocator.c

@@ -53,9 +53,7 @@ void *allocate(size_t size, int alloc_type){
 	// Best-fit policy 
 	if (alloc_type == 1){
 		curr_data = dlist_iter_begin(free_list);
-		diff = (curr_data->size) - size;
-	 	
-		if (diff < 0){return -1;}
+		size_t diff = (curr_data->size) - size;
 		
 		while(curr_data != NULL){
 
@@ -73,6 +71,7 @@ int deallocate(void *ptr){
 //	dnode_print(removed_data);
 	dlist_add_back(free_list,removed_data->data,removed_data->size);
 	
+	free(removed_data);	
 
 	return 0;