diff options
| -rw-r--r-- | components/drivers/include/drivers/misc.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/misc.h b/components/drivers/include/drivers/misc.h index 1e017d8be2..9579773e9a 100644 --- a/components/drivers/include/drivers/misc.h +++ b/components/drivers/include/drivers/misc.h @@ -54,6 +54,12 @@ #define rt_offsetof(s, field) ((rt_size_t)&((s *)0)->field) +#define rt_err_ptr(err) ((void *)(rt_base_t)(err)) +#define rt_ptr_err(ptr) ((rt_err_t)(rt_base_t)(ptr)) +#define rt_is_err_value(ptr) ((rt_ubase_t)(void *)(ptr) >= (rt_ubase_t)-4095) +#define rt_is_err(ptr) rt_is_err_value(ptr) +#define rt_is_err_or_null(ptr) (!(ptr) || rt_is_err_value((rt_ubase_t)(ptr))) + #define rt_upper_32_bits(n) ((rt_uint32_t)(((n) >> 16) >> 16)) #define rt_lower_32_bits(n) ((rt_uint32_t)((n) & 0xffffffff)) #define rt_upper_16_bits(n) ((rt_uint16_t)((n) >> 16)) |