table of contents
| CLAMP_VAL(9) | Driver Basics | 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.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |