Alex Romosan:

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

diff --git a/src/ATC/commlist.hxx b/src/ATC/commlist.hxx
index ac8dcd011b8cc10cffaa7a3beb347500b986931a..73c17e72d3669a0e68f30086db3a070876aa2b65 100644 (file)
--- a/src/ATC/commlist.hxx
+++ b/src/ATC/commlist.hxx
@@ -44,6 +44,7 @@
 #include "ATC.hxx"
 #include "atis.hxx"
 
+SG_USING_STD(list);
 SG_USING_STD(map);
 SG_USING_STD(vector);
 SG_USING_STD(string);
@@ -67,7 +68,7 @@ public:
     ~FGCommList();
 
     // load all comm frequencies and build the map
-    bool init( SGPath path );
+    bool init( const SGPath& path );
 
     // query the database for the specified frequency, lon and lat are
     // in degrees, elev is in meters.
@@ -96,11 +97,11 @@ public:
        double FindClosest( double lon, double lat, double elev, ATCData& ad, atc_type tp = INVALID, double max_range = 100.0 );
        
        // Find by Airport code.
-       bool FindByCode( string ICAO, ATCData& ad, atc_type tp = INVALID );
+       bool FindByCode( const string& ICAO, ATCData& ad, atc_type tp = INVALID );
 
     // Return the callsign for an ATIS transmission given transmission time and airport id
        // This maybe should get moved somewhere else!!
-    int GetCallSign( string apt_id, int hours, int mins );
+    int GetCallSign( const string& apt_id, int hours, int mins );
        
 private:
        
@@ -111,7 +112,7 @@ private:
        comm_map_type commlist_bck;
 
        // Load comms from a specified path (which must include the filename)   
-       bool LoadComms(SGPath path);
+       bool LoadComms(const SGPath& path);
 
 //----------- This stuff is left over from atislist.[ch]xx and maybe should move somewhere else
        // Add structure and map for storing a log of atis transmissions