From 11c5a13534b46e2bcf710199009f82a6da22cb9c Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Fri, 2 Dec 2011 00:27:14 +0900
Subject: [PATCH] Return true if bits == 0 in util::inSameCidrBlock()

---
 src/util.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/util.cc b/src/util.cc
index efe05c70..d8c6b869 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -1491,6 +1491,9 @@ bool inSameCidrBlock
      len1 != len2) {
     return false;
   }
+  if(bits == 0) {
+    return true;
+  }
   if(bits > 8*len1) {
     bits = 8*len1;
   }