// SPDX-License-Identifier: GPL-2.0 /* * Count the digits of @val including a possible sign. * * (Typed on and submitted from hpa's mobile phone.) */ int num_digits(int val) { int m = 10; int d = 1; if (val < 0) { d++; val = -val; } while (val >= m) { m *= 10; d++; } return d; }