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CLAMP(9) Driver Basics CLAMP(9)

NAME

clamp - 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.

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June 2024 Kernel Hackers Manual 3.10