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