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[simgear.git] / simgear / io / iochannel.cxx

diff --git a/simgear/io/iochannel.cxx b/simgear/io/iochannel.cxx
index ab83fc09711971e530b1891ab23e4e29bb6aba5a..cc6292b310b73ccc328a4894dff34ed315398687 100644 (file)
--- a/simgear/io/iochannel.cxx
+++ b/simgear/io/iochannel.cxx
@@ -2,7 +2,7 @@
 //
 // Written by Curtis Olson, started November 1999.
 //
-// Copyright (C) 1999  Curtis L. Olson - curt@flightgear.org
+// Copyright (C) 1999  Curtis L. Olson - http://www.flightgear.org/~curt
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License as
@@ -22,8 +22,6 @@
 
 
 #include "iochannel.hxx"
-// #include "garmin.hxx"
-// #include "nmea.hxx"
 
 
 // constructor
@@ -39,7 +37,7 @@ SGIOChannel::~SGIOChannel()
 
 
 // dummy configure routine
-bool SGIOChannel::open( SGProtocolDir dir ) {
+bool SGIOChannel::open( const SGProtocolDir d ) {
     return false;
 }
 
@@ -57,13 +55,13 @@ int SGIOChannel::readline( char *buf, int length ) {
 
 
 // dummy process routine
-int SGIOChannel::write( char *buf, int length ) {
+int SGIOChannel::write( const char *buf, const int length ) {
     return false;
 }
 
 
 // dummy process routine
-int SGIOChannel::writestring( char *str ) {
+int SGIOChannel::writestring( const char *str ) {
     return false;
 }