clamp_val(9)

clamp_val9

Return a value clamped to a given range using val's type

Usage

clamp_val(val, min, max);

Arguments

val

current value

min

minimum allowable value

max

maximum allowable value

Overview

This macro does no typechecking and uses temporary variables of whatever type the input argument 'val' is. This is useful when val is an unsigned type and min and max are literals that will otherwise be assigned a signed integer type.

Releases

4 releases since Debian 5.0 (Lenny); the text changed 3 times.

  1. 5.0
  2. 6.0
  3. 7
  4. 8

From linux-manual-3.16 3.16.56-1+deb8u1 in Debian 8 (Jessie). Parsed by carta from the page's man source.