[src/trunk]: src/usr.bin/systat Make this build with clang:

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

details:   https://anonhg.NetBSD.org/src/rev/3458db6869b3
branches:  trunk
changeset: 346828:3458db6869b3
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Thu Aug 04 12:56:31 2016 +0000

description:
Make this build with clang:
 - Remove unused static const variables
 - Adjust impossibleish comparision.

diffstat:

 usr.bin/systat/ifstat.c |  9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)

diffs (40 lines):

diff -r 7239766c0b8b -r 3458db6869b3 usr.bin/systat/ifstat.c
--- a/usr.bin/systat/ifstat.c   Thu Aug 04 12:38:11 2016 +0000
+++ b/usr.bin/systat/ifstat.c   Thu Aug 04 12:56:31 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ifstat.c,v 1.2 2016/08/02 17:53:46 scole Exp $ */
+/*     $NetBSD: ifstat.c,v 1.3 2016/08/04 12:56:31 jakllsch Exp $      */
 
 /*
  * Copyright (c) 2003, Trent Nelson, <trent%arpa.com@localhost>.
@@ -32,7 +32,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: ifstat.c,v 1.2 2016/08/02 17:53:46 scole Exp $");
+__RCSID("$NetBSD: ifstat.c,v 1.3 2016/08/04 12:56:31 jakllsch Exp $");
 #endif /* not lint */
 
 #include <sys/types.h>
@@ -60,12 +60,9 @@
 #define C4     60              /* 60-80 */
 #define C5     80              /* Used for label positioning. */
 
-static const int col0 = 0;
-static const int col1 = C1;
 static const int col2 = C2;
 static const int col3 = C3;
 static const int col4 = C4;
-static const int col5 = C5;
 
 SLIST_HEAD(, if_stat)          curlist;
 
@@ -356,7 +353,7 @@
        int      str_len = 0, pad_len = 0;
        char    *newstr = NULL, *ptr = NULL;
 
-       if (ifp == NULL || ifp->if_mib.ifdr_name == NULL)
+       if (ifp == NULL || ifp->if_mib.ifdr_name[0] == '\0')
                return;
        else {
                /* string length + '\0' */