[git commit future] endian.h: add some handy macros to be used in syscalls
Peter S. Mazinger
ps.m at gmx.net
Wed Apr 20 10:50:38 UTC 2011
commit: http://git.uclibc.org/uClibc/commit/?id=341208e9023427a2510f5eed34f9acd87729e79e
branch: http://git.uclibc.org/uClibc/commit/?id=refs/heads/future
Signed-off-by: Peter S. Mazinger <ps.m at gmx.net>
---
include/endian.h | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/include/endian.h b/include/endian.h
index 0ba7384..1e2fc93 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. */
--
1.7.3.4
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