Stop coredump on Solaris if arg not specified (Jason Kau - 1465288)

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1370 f882894a-f735-0410-b71e-b25c423dba1c

2 files changed, 2 insertions, 1 deletions

diff --git a/THANKS.in b/THANKS.in
index 3fb69c8..71d272f 100644
--- a/THANKS.in
+++ b/THANKS.in
@@ -180,3 +180,4 @@ Johan Fischer
 Sakari Lehtonen
 John Rouillard
 Sebastian Wiesinger
+Jason Kau
diff --git a/plugins/utils.c b/plugins/utils.c
index a5245c6..bb4ffbc 100644
--- a/plugins/utils.c
+++ b/plugins/utils.c
@@ -71,7 +71,7 @@ void usage_va (const char *fmt, ...)
 
 void usage2(const char *msg, const char *arg)
 {
-        printf ("%s: %s - %s\n",progname,msg,arg);
+        printf ("%s: %s - %s\n", progname, msg, arg?arg:"(null)" );
         print_usage ();
         exit (STATE_UNKNOWN);
 }