28 lines
866 B
Diff
28 lines
866 B
Diff
From: "Peter S. Mazinger" <ps.m@gmx.net>
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Date: Thu, 21 Apr 2011 21:20:55 +0200
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Subject: [PATCH] endian.h: add some handy macros to be used in syscalls
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Signed-off-by: Peter S. Mazinger <ps.m@gmx.net>
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Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
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---
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--- a/include/endian.h
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+++ b/include/endian.h
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@@ -55,6 +55,17 @@
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# define __LONG_LONG_PAIR(HI, LO) HI, LO
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#endif
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+#ifdef _LIBC
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+# ifndef __ASSEMBLER__
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+# include <stdint.h>
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+# define OFF_HI(offset) (offset >> 31)
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+# define OFF_LO(offset) (offset)
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+# define OFF64_HI(offset) (uint32_t)(offset >> 32)
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+# define OFF64_LO(offset) (uint32_t)(offset & 0xffffffff)
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+# define OFF_HI_LO(offset) __LONG_LONG_PAIR(OFF_HI(offset), OFF_LO(offset))
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+# define OFF64_HI_LO(offset) __LONG_LONG_PAIR(OFF64_HI(offset), OFF64_LO(offset))
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+# endif
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+#endif
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#ifdef __USE_BSD
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/* Conversion interfaces. */
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