[src/trunk]: src/sys/sys Enclose (void *)0 in an extra set of parenthese to m...

[dsl <dsl%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/124a5b802a7a
branches:  trunk
changeset: 748097:124a5b802a7a
user:      dsl <dsl%NetBSD.org@localhost>
date:      Tue Oct 13 17:19:00 2009 +0000

description:
Enclose (void *)0 in an extra set of parenthese to make the result usable
in arbitrary expressions.
Fixes PR/41890, I can't think of any downsides!

diffstat:

 sys/sys/null.h |  4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diffs (17 lines):

diff -r 3f7f449f8c75 -r 124a5b802a7a sys/sys/null.h
--- a/sys/sys/null.h    Tue Oct 13 12:55:53 2009 +0000
+++ b/sys/sys/null.h    Tue Oct 13 17:19:00 2009 +0000
@@ -1,11 +1,11 @@
-/*     $NetBSD: null.h,v 1.7 2005/12/03 17:10:46 christos Exp $        */
+/*     $NetBSD: null.h,v 1.8 2009/10/13 17:19:00 dsl Exp $     */
 
 #ifndef _SYS_NULL_H_
 #define _SYS_NULL_H_
 #ifndef        NULL
 #if !defined(__GNUG__) || __GNUG__ < 2 || (__GNUG__ == 2 && __GNUC_MINOR__ < 90)
 #if !defined(__cplusplus)
-#define        NULL    (void *)0
+#define        NULL    ((void *)0)
 #else
 #define        NULL    0
 #endif /* !__cplusplus */