ObjFW  Diff

{
	uint32_t t;

	if (size == 0)
		return;

	if (isCalculated)
		@throw [OFHashAlreadyCalculatedException newWithClass: isa];
		@throw [OFHashAlreadyCalculatedException newWithClass: isa
								 hash: self];

	/* Update bitcount */
	t = bits[0];
	if ((bits[0] = t + ((uint32_t)size << 3)) < t)
		/* Carry from low to high */
		bits[1]++;
	bits[1] += (uint32_t)size >> 29;