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| author | Ian Moffett <ian@osmora.org> | 2025-01-27 22:21:41 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-01-27 22:21:41 -0500 |
| commit | ce697974b68a265b0ee02ef76b4a6d8d31f4f365 (patch) | |
| tree | 0019084ba474eea09cc21f5c33f403e80cbd59dd | |
| parent | 9bb4cca1abdb9789c98fbab4387bed3091cb6f26 (diff) | |
kernel: param: Add IN_RANGE macro
Signed-off-by: Ian Moffett <ian@osmora.org>
| -rw-r--r-- | sys/include/sys/param.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/include/sys/param.h b/sys/include/sys/param.h index 7783b66..2e888ab 100644 --- a/sys/include/sys/param.h +++ b/sys/include/sys/param.h @@ -57,6 +57,12 @@ #define COMBINE16(h, l) ((uint32_t)((uint32_t)(h) << 16) | (l)) #define COMBINE32(h, l) ((uint64_t)((uint64_t)(h) << 32) | (l)) +/* + * Checks if value, `v' is in range of least, 'l' + * and max, 'm'. + */ +#define IN_RANGE(V, L, M) (((V) >= (L)) && ((V) <= (M))) + /* Gives 1 if pointer is aligned */ #define PTR_ALIGNED(PTR, ALIGN) (!((uintptr_t)PTR & (ALIGN - 1))) |