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| author | Peter S. Mazinger <ps.m@gmx.net> | 2011-04-21 21:20:55 +0200 |
|---|---|---|
| committer | Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> | 2012-06-15 14:00:40 +0200 |
| commit | f6a03f19cf2807170717593b4de8056a1248b99b (patch) | |
| tree | be4dd0571ceab269cde781a95d75821f4889cd89 /include | |
| parent | 9f68f0cbf8c8eea6a7f9e195e4617bbaa808d7c6 (diff) | |
endian.h: add some handy macros to be used in syscalls
Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/endian.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/endian.h b/include/endian.h index 0ba738463..1e2fc938b 100644 --- a/include/endian.h +++ b/include/endian.h @@ -55,6 +55,17 @@ # define __LONG_LONG_PAIR(HI, LO) HI, LO #endif +#ifdef _LIBC +# ifndef __ASSEMBLER__ +# include <stdint.h> +# define OFF_HI(offset) (offset >> 31) +# define OFF_LO(offset) (offset) +# define OFF64_HI(offset) (uint32_t)(offset >> 32) +# define OFF64_LO(offset) (uint32_t)(offset & 0xffffffff) +# define OFF_HI_LO(offset) __LONG_LONG_PAIR(OFF_HI(offset), OFF_LO(offset)) +# define OFF64_HI_LO(offset) __LONG_LONG_PAIR(OFF64_HI(offset), OFF64_LO(offset)) +# endif +#endif #ifdef __USE_BSD /* Conversion interfaces. */ |