1// SPDX-License-Identifier: GPL-2.0
2#include <asm/misc.h>
3
4/*
5 * Count the digits of @val including a possible sign.
6 *
7 * (Typed on and submitted from hpa's mobile phone.)
8 */
9int num_digits(int val)
10{
11	long long m = 10;
12	int d = 1;
13
14	if (val < 0) {
15		d++;
16		val = -val;
17	}
18
19	while (val >= m) {
20		m *= 10;
21		d++;
22	}
23	return d;
24}
25