| // 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) | |
| { | |
| long long m = 10; | |
| int d = 1; | |
| if (val < 0) { | |
| d++; | |
| val = -val; | |
| } | |
| while (val >= m) { | |
| m *= 10; | |
| d++; | |
| } | |
| return d; | |
| } |