x86/lib/misc.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * Count the digits of @val including a possible sign.
0004  *
0005  * (Typed on and submitted from hpa's mobile phone.)
0006  */
0007 int num_digits(int val)
0008 {
0009     int m = 10;
0010     int d = 1;
0011
0012     if (val < 0) {
0013         d++;
0014         val = -val;
0015     }
0016
0017     while (val >= m) {
0018         m *= 10;
0019         d++;
0020     }
0021     return d;
0022 }