1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Count the digits of @val including a possible sign.
 4 *
 5 * (Typed on and submitted from hpa's mobile phone.)
 6 */
 7int num_digits(int val)
 8{
 9	int m = 10;
10	int d = 1;
11
12	if (val < 0) {
13		d++;
14		val = -val;
15	}
16
17	while (val >= m) {
18		m *= 10;
19		d++;
20	}
21	return d;
22}