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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, lo, hi);
ARGUMENTS¶
val
current value
lo
lowest allowable value
hi
highest allowable value
DESCRIPTION¶
This macro does strict typechecking of lo/hi to make sure they are of the same type as val. See the unnecessary pointer comparisons.
COPYRIGHT¶
| January 2017 | Kernel Hackers Manual 4.8. |