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From 3dfbb6b7778d05aa7e3809e139115edfd2e0a342 Mon Sep 17 00:00:00 2001
From: "Peter S. Mazinger" <ps.m@gmx.net>
Date: Thu, 21 Apr 2011 21:20:55 +0200
Subject: [PATCH 6/6] 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>
(cherry picked from commit f6a03f19cf2807170717593b4de8056a1248b99b)
---
include/endian.h | 11 +++++++++++
1 file changed, 11 insertions(+)
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. */
--
1.7.11.1
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