1 files changed, 2 insertions, 2 deletions
diff --git a/packetSource.h b/packetSource.h
index d2902d9..a085b04 100644
--- a/packetSource.h
+++ b/packetSource.h
@@ -37,7 +37,7 @@ class PacketSource
 public:
   virtual ~PacketSource() {}
 
-  virtual u_int32_t recv(Buffer& buf, std::string addr, u_int16_t &port) = 0;
+  virtual u_int32_t recv(Buffer& buf, std::string& addr, u_int16_t &port) = 0;
   virtual void send(Buffer& buf, std::string addr, u_int16_t port) = 0;
 };
 
@@ -48,7 +48,7 @@ public:
   UDPPacketSource(u_int16_t port);
   UDPPacketSource(std::string localaddr, u_int16_t port);
 
-  u_int32_t recv(Buffer& buf, std::string addr, u_int16_t &port);
+  u_int32_t recv(Buffer& buf, std::string& addr, u_int16_t &port);
   void send(Buffer& buf, std::string addr, u_int16_t port);
 };