1 | // SPDX-License-Identifier: GPL-2.0 |
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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 | 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 |