CLAMP(9) Driver Basics CLAMP(9)NAMEclamp - return a value clamped to a given range with strict
typechecking
SYNOPSIS
clamp(val, min, max);
ARGUMENTS
val
current value
min
minimum allowable value
max
maximum allowable value
DESCRIPTION
This macro does strict typechecking of min/max to make sure they are of
the same type as val. See the unnecessary pointer comparisons.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 CLAMP(9)