From e9a5bdb12befd37c611e6223e6afc33570dfea3c Mon Sep 17 00:00:00 2001
From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Wed, 9 Oct 2019 02:34:15 +0200
Subject: [PATCH] iputils.hh: Netmask: Add getNormalized()

---
 pdns/iputils.hh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pdns/iputils.hh b/pdns/iputils.hh
index 9bfb317dfe..09134e2ad4 100644
--- a/pdns/iputils.hh
+++ b/pdns/iputils.hh
@@ -537,6 +537,10 @@ public:
     return d_network.sin4.sin_family==0;
   }
 
+  //! Get normalized version of the netmask. This means that all address bits below the network bits are zero.
+  Netmask getNormalized() const {
+    return Netmask(getMaskedNetwork(), d_bits);
+  }
 private:
   ComboAddress d_network;
   uint32_t d_mask;
-- 
2.47.3