Function safe_realloc

tools/ipfw/ipfw2.c:549–557

}

void *
safe_realloc(void *ptr, size_t size)
{
	void *ret = realloc(ptr, size);

	if (ret == NULL)
		err(EX_OSERR, "realloc");
	return ret;
}

/*
 * Compare things like interface or table names.