xref: /kernel/linux/linux-5.10/arch/x86/lib/misc.c (revision 8c2ecf20) 
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	long long 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}
23