# HG changeset patch
# User Antti Mäkelä <zarhan@cc.hut.fi>
# Date 1264132654 28800
# Node ID e8bf52d9ee24bd0a9fadba1768a3195f10e984f7
# Parent  b89ce2e9eed5d640d4a2bad69bb134010732aa6f
[bug 794] Ipv4Mask constructor for /yy-notation is wrong

diff -r b89ce2e9eed5 -r e8bf52d9ee24 src/node/ipv4-address.cc
--- a/src/node/ipv4-address.cc	Tue Jan 19 17:06:18 2010 +0100
+++ b/src/node/ipv4-address.cc	Thu Jan 21 19:57:34 2010 -0800
@@ -72,8 +72,16 @@
 {
   if (*mask == ASCII_SLASH)
     {
-      m_mask = static_cast<uint32_t> (atoi (++mask));
-      NS_ASSERT (m_mask <= 32);
+      uint32_t plen = static_cast<uint32_t> (atoi (++mask));
+      NS_ASSERT (plen <= 32);
+      if (plen > 0)
+        {
+          m_mask = 0xffffffff << (32 - plen);
+        }
+      else
+        {
+          m_mask = 0;
+        }
     }
   else
     {