diff options
| author | wdfk-prog <[email protected]> | 2023-06-11 23:04:18 +0800 |
|---|---|---|
| committer | Man, Jianting (Meco) <[email protected]> | 2023-06-11 11:41:50 -0400 |
| commit | 780806feb42261142476dc8c0027252e33f4680c (patch) | |
| tree | 134d5e30dd504bcb4aaeacd7eaa5934a1b30f99f /include/rtdef.h | |
| parent | e36b97ff946766bdca362d1bb2f1c64402f1d937 (diff) | |
[rtdef] RT_IS_ALIGN marco add a null address exclusive
Diffstat (limited to 'include/rtdef.h')
| -rw-r--r-- | include/rtdef.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/rtdef.h b/include/rtdef.h index eb5f047f1b..1f0610cbcd 100644 --- a/include/rtdef.h +++ b/include/rtdef.h @@ -393,8 +393,9 @@ typedef int (*init_fn_t)(void); * Return true(1) or false(0). * RT_IS_ALIGN(128, 4) is judging whether 128 aligns with 4. * The result is 1, which means 128 aligns with 4. + * @note If the address is NULL, false(0) will be returned */ -#define RT_IS_ALIGN(addr, align) (!(addr & (align - 1))) +#define RT_IS_ALIGN(addr, align) ((!(addr & (align - 1))) && (addr != RT_NULL)) /** * @ingroup BasicDef |