Adding ZMQ_LAST_ENDPOINT for wildcard support on TCP and IPC sockets

src/tcp_listener.hpp

@@ -44,6 +44,9 @@ namespace zmq
 
         //  Set address to listen on.
         int set_address (const char *addr_);
+    
+        // Get the bound address for use with wildcards
+        int get_address(unsigned char *addr, size_t *len);
 
     private:
 
@@ -64,6 +67,10 @@ namespace zmq
 
         //  Address to listen on.
         tcp_address_t address;
+        
+        // Store the connected endpoint for binds to port 0
+        char bound_addr[256];
+        size_t bound_addr_len;
 
         //  True, if the undelying file for UNIX domain socket exists.
         bool has_file;