Commit b587398a authored by Alex Elder's avatar Alex Elder Committed by Sage Weil
Browse files

libceph: add signed type limits 



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: default avatarAlex Elder <elder@inktank.com>
Reviewed-by: default avatarJosh Durgin <josh.durgin@inktank.com>
parent a9e8ba2c

include/linux/ceph/decode.h

+14 −4
Original line number Diff line number Diff line
@@ -15,6 +15,16 @@ 
#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,

 *   void **p     pointer to position pointer