Function amount_msat_add

common/amount.c:255–264

}

WARN_UNUSED_RESULT bool amount_msat_add(struct amount_msat *val,
					struct amount_msat a,
					struct amount_msat b)
{
	if (add_overflows_u64(a.millisatoshis, b.millisatoshis))
		return false;

	val->millisatoshis = a.millisatoshis + b.millisatoshis;
	return true;
}

WARN_UNUSED_RESULT bool amount_msat_sub(struct amount_msat *val,
					struct amount_msat a,