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[src/trunk]: src/sys/sys define __alignof() in terms of __alignof__ if it is ...
details: https://anonhg.NetBSD.org/src/rev/a87e7e1f7a35
branches: trunk
changeset: 782232:a87e7e1f7a35
user: christos <christos%NetBSD.org@localhost>
date: Mon Oct 22 14:00:07 2012 +0000
description:
define __alignof() in terms of __alignof__ if it is available.
diffstat:
sys/sys/cdefs.h | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diffs (22 lines):
diff -r 56846d553c98 -r a87e7e1f7a35 sys/sys/cdefs.h
--- a/sys/sys/cdefs.h Mon Oct 22 10:37:44 2012 +0000
+++ b/sys/sys/cdefs.h Mon Oct 22 14:00:07 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: cdefs.h,v 1.101 2012/10/21 22:35:52 christos Exp $ */
+/* $NetBSD: cdefs.h,v 1.102 2012/10/22 14:00:07 christos Exp $ */
/*
* Copyright (c) 1991, 1993
@@ -500,7 +500,11 @@
/*
* Return the natural alignment in bytes for the given type
*/
-#define __alignof(__t) (sizeof(struct { char __x; __t __y; }) - sizeof(__t))
+#ifdef __alignof__
+#define __alignof(__t) __alignof__(__t)
+#else
+#define __alignof(__t) (sizeof(struct { char __x; __t __y; }) - sizeof(__t))
+#endif
/*
* Return the number of elements in a statically-allocated array,
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