Reviewed-by: Josh Durgin <[email protected]>
On 04/21/2013 02:14 PM, Alex Elder wrote:
(Sorry, the subject line didn't match the content. Please ignore the previous one--this is the right patch.) Flesh out the limits defined in <linux/ceph/decode.h> to include the maximum and minimum values for signed type S8, S16, S32, and S64. Signed-off-by: Alex Elder <[email protected]> --- include/linux/ceph/decode.h | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/include/linux/ceph/decode.h b/include/linux/ceph/decode.h index 689f1df..9575a52 100644 --- a/include/linux/ceph/decode.h +++ b/include/linux/ceph/decode.h @@ -10,10 +10,20 @@ /* This seemed to be the easiest place to define these */ -#define U8_MAX ((u8) (~0U)) -#define U16_MAX ((u16) (~0U)) -#define U32_MAX ((u32) (~0U)) -#define U64_MAX ((u64) (~0ULL)) +#define U8_MAX ((u8)(~0U)) +#define U16_MAX ((u16)(~0U)) +#define U32_MAX ((u32)(~0U)) +#define U64_MAX ((u64)(~0ULL)) + +#define S8_MAX ((s8)(U8_MAX >> 1)) +#define S16_MAX ((s16)(U16_MAX >> 1)) +#define S32_MAX ((s32)(U32_MAX >> 1)) +#define S64_MAX ((s64)(U64_MAX >> 1LL)) + +#define S8_MIN ((s8)(-S8_MAX - 1)) +#define S16_MIN ((s16)(-S16_MAX - 1)) +#define S32_MIN ((s32)(-S32_MAX - 1)) +#define S64_MIN ((s64)(-S64_MAX - 1LL)) /* * in all cases,
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