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

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
...@@ -10,10 +10,20 @@ ...@@ -10,10 +10,20 @@
/* This seemed to be the easiest place to define these */ /* This seemed to be the easiest place to define these */
#define U8_MAX ((u8) (~0U)) #define U8_MAX ((u8)(~0U))
#define U16_MAX ((u16) (~0U)) #define U16_MAX ((u16)(~0U))
#define U32_MAX ((u32) (~0U)) #define U32_MAX ((u32)(~0U))
#define U64_MAX ((u64) (~0ULL)) #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, * in all cases,
......
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