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

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