From 87e665b104665198caa5c8b6682ccb43b095eb12 Mon Sep 17 00:00:00 2001
From: bert hubert <bert.hubert@netherlabs.nl>
Date: Wed, 11 Nov 2015 10:15:55 +0100
Subject: [PATCH] teach Netmask is can be 'empty', like DNSName.

---
 pdns/iputils.hh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pdns/iputils.hh b/pdns/iputils.hh
index b035809ea..db7670a67 100644
--- a/pdns/iputils.hh
+++ b/pdns/iputils.hh
@@ -358,6 +358,11 @@ public:
     return tie(d_network, d_bits) == tie(rhs.d_network, rhs.d_bits);
   }
 
+  bool empty() const 
+  {
+    return d_network.sin4.sin_family==0;
+  }
+
 private:
   ComboAddress d_network;
   uint32_t d_mask;
-- 
2.40.0