diff options
author | Alex Elder <elder@inktank.com> | 2013-04-19 16:34:50 -0400 |
---|---|---|
committer | Sage Weil <sage@inktank.com> | 2013-05-02 00:19:16 -0400 |
commit | b587398a4ff6520753f9a58da294c80ee22443a5 (patch) | |
tree | 3b484127a6c612977b8656d4506ef62a7d277bd7 | |
parent | a9e8ba2cb3eb64cf6cfa509d096ef79bc1c827ae (diff) |
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: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
-rw-r--r-- | include/linux/ceph/decode.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/include/linux/ceph/decode.h b/include/linux/ceph/decode.h index 689f1df37bff..9575a52e011f 100644 --- a/include/linux/ceph/decode.h +++ b/include/linux/ceph/decode.h | |||
@@ -10,10 +10,20 @@ | |||
10 | 10 | ||
11 | /* This seemed to be the easiest place to define these */ | 11 | /* This seemed to be the easiest place to define these */ |
12 | 12 | ||
13 | #define U8_MAX ((u8) (~0U)) | 13 | #define U8_MAX ((u8)(~0U)) |
14 | #define U16_MAX ((u16) (~0U)) | 14 | #define U16_MAX ((u16)(~0U)) |
15 | #define U32_MAX ((u32) (~0U)) | 15 | #define U32_MAX ((u32)(~0U)) |
16 | #define U64_MAX ((u64) (~0ULL)) | 16 | #define U64_MAX ((u64)(~0ULL)) |
17 | |||
18 | #define S8_MAX ((s8)(U8_MAX >> 1)) | ||
19 | #define S16_MAX ((s16)(U16_MAX >> 1)) | ||
20 | #define S32_MAX ((s32)(U32_MAX >> 1)) | ||
21 | #define S64_MAX ((s64)(U64_MAX >> 1LL)) | ||
22 | |||
23 | #define S8_MIN ((s8)(-S8_MAX - 1)) | ||
24 | #define S16_MIN ((s16)(-S16_MAX - 1)) | ||
25 | #define S32_MIN ((s32)(-S32_MAX - 1)) | ||
26 | #define S64_MIN ((s64)(-S64_MAX - 1LL)) | ||
17 | 27 | ||
18 | /* | 28 | /* |
19 | * in all cases, | 29 | * in all cases, |