/* common.c
 *
 * Created by Rory Healy (healyr@student.unimelb.edu.au)
 * Created on 25th August 2021
 * Last modified 8th September 2021
 *
 * Contains functions for general use throughout other files.
 *
 */

#ifndef COMMON_HEADER
#include "common.h"
#endif 

/* Checks if a given pointer is null. Used for malloc() and realloc(). */
void checkNullPointer(void *ptr) {
	if (!ptr) {
		fputs("Error: Cannot allocate memory.\n", stderr);
		exit(EXIT_FAILURE);
	}
}