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commonlib/clamp.h: Add more clamping functions 

Add more clamping functions that work with different types.

Change-Id: I14cf335d5a54f769f8fd9184450957e876affd6b
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64175
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Angel Pons 2022-05-07 20:36:10 +02:00 committed by Felix Held
parent 58d2947855
commit f7571c43f8
1 changed files with 18 additions and 8 deletions
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26
src/commonlib/bsd/include/commonlib/bsd/clamp.h
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@ -8,15 +8,25 @@
/*
* Clamp a value, so that it is between a lower and an upper bound.
*/
static inline u32 clamp_u32(const u32 min, const u32 val, const u32 max)
{
if (val > max)
return max;
#define __MAKE_CLAMP_FUNC(type) \
static inline type clamp_##type(const type min, const type val, const type max) \
{ \
if (val > max) \
return max; \
if (val < min) \
return min; \
return val; \
} \
if (val < min)
return min;
__MAKE_CLAMP_FUNC(s8) /* clamp_s8 */
__MAKE_CLAMP_FUNC(u8) /* clamp_u8 */
__MAKE_CLAMP_FUNC(s16) /* clamp_s16 */
__MAKE_CLAMP_FUNC(u16) /* clamp_u16 */
__MAKE_CLAMP_FUNC(s32) /* clamp_s32 */
__MAKE_CLAMP_FUNC(u32) /* clamp_u32 */
__MAKE_CLAMP_FUNC(s64) /* clamp_s64 */
__MAKE_CLAMP_FUNC(u64) /* clamp_u64 */
return val;
}
#undef __MAKE_CLAMP_FUNC
#endif /* COMMONLIB_BSD_CLAMP_H */