[src/trunk]: src updates for GCC 6.4:

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

details:   https://anonhg.NetBSD.org/src/rev/f2283e9557ec
branches:  trunk
changeset: 829498:f2283e9557ec
user:      mrg <mrg%NetBSD.org@localhost>
date:      Sun Feb 04 09:03:23 2018 +0000

description:
updates for GCC 6.4:

identd has aliasing violations, use -fno-strict-aliasing.

newfs_msdos's getbpbinfo() has missing {} issues.

sysctl's kern_cp_id() has missing {} issues.

diffstat:

 libexec/identd/Makefile       |  5 ++++-
 sbin/newfs_msdos/mkfs_msdos.c |  7 ++++---
 sbin/sysctl/sysctl.c          |  7 ++++---
 3 files changed, 12 insertions(+), 7 deletions(-)

diffs (81 lines):

diff -r c024e0f9fb4a -r f2283e9557ec libexec/identd/Makefile
--- a/libexec/identd/Makefile   Sun Feb 04 09:01:12 2018 +0000
+++ b/libexec/identd/Makefile   Sun Feb 04 09:03:23 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.15 2016/12/11 15:43:48 christos Exp $
+# $NetBSD: Makefile,v 1.16 2018/02/04 09:03:23 mrg Exp $
 
 .include <bsd.own.mk>
 
@@ -26,4 +26,7 @@
 DPADD+=${LIBNPF} ${LIBPROP}
 .endif
 
+# XXX
+COPTS+=        -fno-strict-aliasing
+
 .include <bsd.prog.mk>
diff -r c024e0f9fb4a -r f2283e9557ec sbin/newfs_msdos/mkfs_msdos.c
--- a/sbin/newfs_msdos/mkfs_msdos.c     Sun Feb 04 09:01:12 2018 +0000
+++ b/sbin/newfs_msdos/mkfs_msdos.c     Sun Feb 04 09:03:23 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mkfs_msdos.c,v 1.13 2017/04/14 15:39:29 christos Exp $ */
+/*     $NetBSD: mkfs_msdos.c,v 1.14 2018/02/04 09:03:23 mrg Exp $      */
 
 /*
  * Copyright (c) 1998 Robert Nordier
@@ -37,7 +37,7 @@
 static const char rcsid[] =
   "$FreeBSD: src/sbin/newfs_msdos/newfs_msdos.c,v 1.15 2000/10/10 01:49:37 wollman Exp $";
 #else
-__RCSID("$NetBSD: mkfs_msdos.c,v 1.13 2017/04/14 15:39:29 christos Exp $");
+__RCSID("$NetBSD: mkfs_msdos.c,v 1.14 2018/02/04 09:03:23 mrg Exp $");
 #endif
 #endif /* not lint */
 
@@ -896,10 +896,11 @@
            return -1;
        bpb->spt = nsectors;
     }
-    if (!bpb->hds)
+    if (!bpb->hds) {
        if (ckgeom(fname, ntracks, "drive heads") == -1)
            return -1;
        bpb->hds = ntracks;
+    }
     if (!bpb->bsec)
        bpb->bsec = size;
 
diff -r c024e0f9fb4a -r f2283e9557ec sbin/sysctl/sysctl.c
--- a/sbin/sysctl/sysctl.c      Sun Feb 04 09:01:12 2018 +0000
+++ b/sbin/sysctl/sysctl.c      Sun Feb 04 09:03:23 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sysctl.c,v 1.159 2017/04/13 14:46:32 christos Exp $ */
+/*     $NetBSD: sysctl.c,v 1.160 2018/02/04 09:03:23 mrg Exp $ */
 
 /*-
  * Copyright (c) 2003 The NetBSD Foundation, Inc.
@@ -68,7 +68,7 @@
 #if 0
 static char sccsid[] = "@(#)sysctl.c   8.1 (Berkeley) 6/6/93";
 #else
-__RCSID("$NetBSD: sysctl.c,v 1.159 2017/04/13 14:46:32 christos Exp $");
+__RCSID("$NetBSD: sysctl.c,v 1.160 2018/02/04 09:03:23 mrg Exp $");
 #endif
 #endif /* not lint */
 
@@ -2454,12 +2454,13 @@
                               sizeof(u_int64_t),
                               DISPLAY_VALUE);
        else if (Aflag) {
-               for (i = 0; i < n; i++)
+               for (i = 0; i < n; i++) {
                        (void)snprintf(s, sizeof(s), "%s%s%d", sname, sep, i);
                        tname = s;
                        display_number(&node, tname, &cp_id[i],
                                       sizeof(u_int64_t),
                                       DISPLAY_VALUE);
+               }
        }
        else {
                if (xflag || rflag)