From 9ad1be45eca79f935db65164ae8624fae0c2b431 Mon Sep 17 00:00:00 2001
From: James Yonan <james@openvpn.net>
Date: Fri, 18 Aug 2017 23:59:24 -0600
Subject: [PATCH] IP::RouteType: added host_bits() method

Signed-off-by: James Yonan <james@openvpn.net>
---
 openvpn/addr/route.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/openvpn/addr/route.hpp b/openvpn/addr/route.hpp
index 9e0dfb93..a0f575bd 100644
--- a/openvpn/addr/route.hpp
+++ b/openvpn/addr/route.hpp
@@ -123,6 +123,14 @@ namespace openvpn {
 	return addr.defined() && prefix_len == addr.size();
       }
 
+      unsigned int host_bits() const
+      {
+	if (prefix_len < addr.size())
+	  return addr.size() - prefix_len;
+	else
+	  return 0;
+      }
+
       bool contains(const ADDR& a) const // assumes canonical address/routes
       {
 	if (addr.defined() && addr.version() == a.version())