commit b0948a5e73a2c96fc904d65495686b87c342b984
author Jeff Thompson <jefft0@gmail.com> Thu Sep 12 14:38:26 2013 -0700
committer Jeff Thompson <jefft0@gmail.com> Thu Sep 12 14:38:26 2013 -0700
tree 26236cdaa0d1f6975423b5b5b69d16d16ab5c31b
parent 03616c9dbace73f6f39ffb45b37a5198c526a86b

In toHex, if argument is null, return "".

ndn-cpp/common.cpp

diff --git a/ndn-cpp/common.cpp b/ndn-cpp/common.cpp
index b4a1bd8..3a00593 100644
--- a/ndn-cpp/common.cpp
+++ b/ndn-cpp/common.cpp
@@ -12,6 +12,9 @@
 
 string toHex(const vector<unsigned char>& array) 
 {
+  if (!&array)
+    return "";
+  
   ostringstream result;
   result.flags(ios::hex | ios::uppercase);
   for (unsigned int i = 0; i < array.size(); ++i) {