clamp_val(9)
NAME
clamp_val - return a value clamped to a given range using val's type
SYNOPSIS
clamp_val(val, min, max);
ARGUMENTS
- val
- current value
- min
- minimum allowable value
- max
- maximum allowable value
DESCRIPTION
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.