diff options
Diffstat (limited to 'include/lib/utils_def.h')
| -rw-r--r-- | include/lib/utils_def.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/lib/utils_def.h b/include/lib/utils_def.h index 35ae33a68..23f59bdc3 100644 --- a/include/lib/utils_def.h +++ b/include/lib/utils_def.h @@ -77,6 +77,15 @@ _x > _y ? _x : _y; \ }) +#define CLAMP(x, min, max) __extension__ ({ \ + __typeof__(x) _x = (x); \ + __typeof__(min) _min = (min); \ + __typeof__(max) _max = (max); \ + (void)(&_x == &_min); \ + (void)(&_x == &_max); \ + (_x > _max ? _max : (_x < _min ? _min : _x)); \ +}) + /* * The round_up() macro rounds up a value to the given boundary in a * type-agnostic yet type-safe manner. The boundary must be a power of two. |