Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Count the digits of @val including a possible sign.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * (Typed on and submitted from hpa's mobile phone.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) int num_digits(int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 	int m = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 	int d = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	if (val < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 		d++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		val = -val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	while (val >= m) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		m *= 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		d++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	return d;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) }