LXR linux/arch/x86/lib/misc.c

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Count the digits of @val including a possible sign.
   4 *
   5 * (Typed on and submitted from hpa's mobile phone.)
   6 */
   7int num_digits(int val)
   8{
   9        int m = 10;
  10        int d = 1;
  11
  12        if (val < 0) {
  13                d++;
  14                val = -val;
  15        }
  16
  17        while (val >= m) {
  18                m *= 10;
  19                d++;
  20        }
  21        return d;
  22}
  23