int cleanDrivers(PoliceDatabase * database, Driver ** arr){
	int dirty = 0;
	int index = 0;
	//printf("begin\n");
	for (int i = 0; i < database->numDrivers; i++){
		//printf("driver index = %d\n", i);
		for (int j = 0; j < database->numInfractions; j++){
			if(strcmp(database->infractions[j].driver->license, database->drivers[i].license) == 0){
				dirty++;
				break;
			}
		}
	}
	//printf("after dirty count\n");
	int count = (database->numDrivers)-dirty;
	//printf("count = %d\n", count);
	if (count != 0){
		Driver** drivers = (Driver **)malloc((count)*sizeof(Driver *));
		if (drivers == NULL){ return 0;}
		/*
		for (int i = 0; i < count; i++){
			drivers[i] = (Driver *)malloc(sizeof(Driver));
			if(drivers[i] == NULL) return 0;
		}
		*/

		//printf("after alloc\n");

		for (int i = 0; i < database->numDrivers; i++){
			char flag = 0;
			//printf("current driver license = %s\n", database->drivers[i].license);
			for (int j = 0; j < database->numInfractions; j++){
				if(strcmp(database->infractions[j].driver->license, database->drivers[i].license) == 0){
					printf("found dirty\n");
					flag = 1;
					break;
				}
			}
			//printf("checking before add driver index = %d\n", i);
			//printf("checking initial cleans = %d\n", index);
			if (flag == 0){
				//printf("%d\n", index);
				printf("license of driver being added = %s\n", database->drivers[i].license);
				drivers[index++] = &database->drivers[i];
				//printf("%s\n", drivers[index-1]->name);
				if(index >= count){
					//printf("breaking\n");
					break;
				}
			}
			//printf("current number of cleans = %d\n", index);
		}
		//printf("before setting param\n");
		printf("last clean driver = %s\n", drivers[index-1]->license);
		*arr = *drivers;
	}
	//printf("before returning\n");
	return count;
}