[src/trunk]: src/usr.sbin use -Wno-error=format-truncation for code that seem...

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

details:   https://anonhg.NetBSD.org/src/rev/ca484fe11d5f
branches:  trunk
changeset: 448519:ca484fe11d5f
user:      mrg <mrg%NetBSD.org@localhost>
date:      Mon Feb 04 10:22:15 2019 +0000

description:
use -Wno-error=format-truncation for code that seems particularly annoying
or unlikely to actually fail.  some of the syslogd ones are not too hard
to fix, but most remain.

diffstat:

 usr.sbin/sysinst/Makefile.inc |  7 ++++++-
 usr.sbin/syslogd/Makefile     |  7 ++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diffs (40 lines):

diff -r cc679f54a11f -r ca484fe11d5f usr.sbin/sysinst/Makefile.inc
--- a/usr.sbin/sysinst/Makefile.inc     Mon Feb 04 10:09:31 2019 +0000
+++ b/usr.sbin/sysinst/Makefile.inc     Mon Feb 04 10:22:15 2019 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.inc,v 1.16 2018/12/17 01:16:49 uwe Exp $
+#      $NetBSD: Makefile.inc,v 1.17 2019/02/04 10:22:15 mrg Exp $
 #
 # Makefile for sysinst
 
@@ -118,6 +118,11 @@
 COPTS.md.c += -Wno-format-nonliteral
 COPTS.partman.c += -Wno-format-nonliteral -Wno-stack-protector
 
+# Lots of warnings
+.if defined(HAVE_GCC) && ${HAVE_GCC} == 7 && ${ACTIVE_CC} == "gcc"
+COPTS.partman.c+=      -Wno-error=format-truncation
+.endif
+
 # Host to ftp from.  Default:
 #      "ftp.NetBSD.org"
 #
diff -r cc679f54a11f -r ca484fe11d5f usr.sbin/syslogd/Makefile
--- a/usr.sbin/syslogd/Makefile Mon Feb 04 10:09:31 2019 +0000
+++ b/usr.sbin/syslogd/Makefile Mon Feb 04 10:22:15 2019 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.27 2018/02/09 02:23:32 christos Exp $
+#      $NetBSD: Makefile,v 1.28 2019/02/04 10:22:15 mrg Exp $
 #      from: @(#)Makefile      8.1 (Berkeley) 6/6/93
 .include <bsd.own.mk>
 
@@ -30,4 +30,9 @@
 
 LDADD+=        -lssl -lcrypto
 
+# Overflow that appears impossible
+.if defined(HAVE_GCC) && ${HAVE_GCC} == 7 && ${ACTIVE_CC} == "gcc"
+COPTS.syslogd.c+=        -Wno-error=format-truncation
+.endif
+
 .include <bsd.prog.mk>