David Venhoff
cfcea9ee67
Based off b80915eb99
and compacted into a single commit so that it will fit on the uni git server
23 lines
301 B
C
23 lines
301 B
C
// 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;
|
|
}
|