[src/trunk]: src/sys/nfs Use __CTASSERT instead of handrolled version.

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

details:   https://anonhg.NetBSD.org/src/rev/8d587fa86017
branches:  trunk
changeset: 789649:8d587fa86017
user:      dholland <dholland%NetBSD.org@localhost>
date:      Fri Aug 30 07:35:44 2013 +0000

description:
Use __CTASSERT instead of handrolled version.

diffstat:

 sys/nfs/nfs_export.c |  12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diffs (33 lines):

diff -r 447b717b7d8e -r 8d587fa86017 sys/nfs/nfs_export.c
--- a/sys/nfs/nfs_export.c      Fri Aug 30 07:30:50 2013 +0000
+++ b/sys/nfs/nfs_export.c      Fri Aug 30 07:35:44 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nfs_export.c,v 1.53 2013/08/30 07:30:50 dholland Exp $ */
+/*     $NetBSD: nfs_export.c,v 1.54 2013/08/30 07:35:44 dholland Exp $ */
 
 /*-
  * Copyright (c) 1997, 1998, 2004, 2005, 2008 The NetBSD Foundation, Inc.
@@ -77,7 +77,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nfs_export.c,v 1.53 2013/08/30 07:30:50 dholland Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nfs_export.c,v 1.54 2013/08/30 07:35:44 dholland Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -445,9 +445,11 @@
                 * value that used to be in MNT_DELEXPORT. */
                mel.mel_nexports = 0;
        } else {
-               /* The following assumes export_args has not changed since
-                * export_args30 - typedef checks sizes. */
-               typedef char x[sizeof args->eargs == sizeof *mel.mel_exports ? 1 : -1];
+               /*
+                * The following code assumes export_args has not
+                * changed since export_args30, so check that.
+                */
+               __CTASSERT(sizeof(args->eargs) == sizeof(*mel.mel_exports));
 
                mel.mel_nexports = 1;
                mel.mel_exports = (void *)&args->eargs;