From 51cd482ece2d780c02b82e0cafaa5c77f7281007 Mon Sep 17 00:00:00 2001
From: Doug MacEachern <dougm@hyperic.com>
Date: Mon, 3 Sep 2007 17:08:57 +0000
Subject: [PATCH] fixup hwaddr

---
 bindings/ruby/examples/ifconfig.rb | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bindings/ruby/examples/ifconfig.rb b/bindings/ruby/examples/ifconfig.rb
index e8459e2a..b8b87eaa 100644
--- a/bindings/ruby/examples/ifconfig.rb
+++ b/bindings/ruby/examples/ifconfig.rb
@@ -7,7 +7,13 @@ iflist.each do |ifname|
   ifconfig = sigar.net_interface_config(ifname)
   flags = ifconfig.flags
   encap = ifconfig.type
+
   hwaddr = ifconfig.hwaddr
+  if hwaddr == Sigar::NULL_HWADDR
+    hwaddr = ""
+  else
+    hwaddr = " HWaddr " + hwaddr
+  end
 
   puts ifname + "\t" + "Link encap:" + encap + hwaddr