Alex Romosan:

[flightgear.git] / src / ATC / ATCDialog.hxx

diff --git a/src/ATC/ATCDialog.hxx b/src/ATC/ATCDialog.hxx
index 85a6721e6a300fd0473b6355d9cbce94e1fdc8ae..2eddcbb61ab560f3e71787e62fc3caa51abf4f1f 100644 (file)
--- a/src/ATC/ATCDialog.hxx
+++ b/src/ATC/ATCDialog.hxx
@@ -66,10 +66,10 @@ public:
        
        void PopupCallback();
        
-       void add_entry( string station, string transmission, string menutext, atc_type type, int code);
+       void add_entry( const string& station, const string& transmission, const string& menutext, atc_type type, int code);
        
        void remove_entry( const string &station, const string &trans, atc_type type );
-       
+
        void remove_entry( const string &station, int code, atc_type type );
        
        // query the database whether the transmission is already registered; 
@@ -83,7 +83,7 @@ public:
        
        // Display the comm ATC frequencies for airport ident
        // where ident is a valid ICAO code.
-       void FreqDisplay(string ident);
+       void FreqDisplay(string& ident);
 
 private: