Safe memory allocation in C

safealloc.c

void * safe_malloc(size_t const size)
{
	void * p = malloc(size);
	
	if (p == NULL) {
		fprintf(stderr, "Out of memory\n");
		exit(1);
	}
	
	return p;
}

void * safe_realloc(void * p, size_t const size)
{
	p = realloc(p, size);
	
	if (p == NULL) {
		fprintf(stderr, "Out of memory\n");
		exit(1);
	}
	
	return p;
}