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add *_MAX and *_MIN macros 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2009-04-24 21:47:07 +02:00
parent 8bd42496f7
commit 505d65fc5c
1 changed files with 13 additions and 0 deletions
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13
include/common.h
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@ -150,4 +150,17 @@ int run_shell(void);
const typeof( ((type *)0)->member ) *__mptr = (ptr); \
(type *)( (char *)__mptr - offsetof(type,member) );})
#define USHORT_MAX ((u16)(~0U))
#define SHORT_MAX ((s16)(USHORT_MAX>>1))
#define SHORT_MIN (-SHORT_MAX - 1)
#define INT_MAX ((int)(~0U>>1))
#define INT_MIN (-INT_MAX - 1)
#define UINT_MAX (~0U)
#define LONG_MAX ((long)(~0UL>>1))
#define LONG_MIN (-LONG_MAX - 1)
#define ULONG_MAX (~0UL)
#define LLONG_MAX ((long long)(~0ULL>>1))
#define LLONG_MIN (-LLONG_MAX - 1)
#define ULLONG_MAX (~0ULL)
#endif /* __COMMON_H_ */