diff options
| -rw-r--r-- | isp/tools.h | 41 |
1 files changed, 39 insertions, 2 deletions
diff --git a/isp/tools.h b/isp/tools.h index b60cc2e..af29dd9 100644 --- a/isp/tools.h +++ b/isp/tools.h @@ -25,8 +25,45 @@ #define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0])) -#define min(a, b) ((a) < (b) ? (a) : (b)) -#define max(a, b) ((a) > (b) ? (a) : (b)) +#define min(a, b) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + __a < __b ? __a : __b; \ +}) + +#define min_t(type, a, b) ({ \ + type __a = (a); \ + type __b = (b); \ + __a < __b ? __a : __b; \ +}) + +#define max(a, b) ({ \ + typeof(a) __a = (a); \ + typeof(b) __b = (b); \ + __a > __b ? __a : __b; \ +}) + +#define max_t(type, a, b) ({ \ + type __a = (a); \ + type __b = (b); \ + __a > __b ? __a : __b; \ +}) + +#define clamp(val, min, max) ({ \ + typeof(val) __val = (val); \ + typeof(min) __min = (min); \ + typeof(max) __max = (max); \ + __val = __val < __min ? __min : __val; \ + __val > __max ? __max : __val; \ +}) + +#define clamp_t(type, val, min, max) ({ \ + type __val = (val); \ + type __min = (min); \ + type __max = (max); \ + __val = __val < __min ? __min : __val; \ + __val > __max ? __max : __val; \ +}) #define container_of(ptr, type, member) \ (type *)((char *)(ptr) - offsetof(type, member)) |