static int ones_complement_sum()

in util/netconsblaster.c [49:74]

• 18 lines of code
• 5 McCabe index (conditional complexity)

static int ones_complement_sum(uint16_t *data, int len, int sum)
{
	unsigned int tmp;
	int i;

	for (i = 0; i < len / 2; i++) {
		tmp = ntohs(data[i]);

		/*
		 * Kill -0
		 */
		if (tmp == 65535)
			tmp = 0;

		sum += tmp;
		if (sum >= 65536) {
			sum &= 65535;
			sum++;
		}
	}

	if (len & 1)
		fatal("Use test data with even lengths please\n");

	return sum;
}