| 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 | */ |
| 9 | int num_digits(int val) |
| 10 | { |
| 11 | int 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 |