X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fmidi-stream.cc;h=d0f853109468727e0d038adeb1fb2a5194f4ad36;hb=90e4d7057f3857da049dfda3d130017d4719bd6b;hp=2d9429c76753c98a8b31bd4161eaa67947b142e7;hpb=999595939c26d7f060ca73c6fd537248962942e0;p=lilypond.git

diff --git a/lily/midi-stream.cc b/lily/midi-stream.cc
index 2d9429c767..d0f8531094 100644
--- a/lily/midi-stream.cc
+++ b/lily/midi-stream.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1997--2012 Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 1997--2015 Jan Nieuwenhuizen <janneke@gnu.org>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -30,7 +30,7 @@ using namespace std;
 #include "string-convert.hh"
 #include "warn.hh"
 
-Midi_stream::Midi_stream (string file_name)
+Midi_stream::Midi_stream (const string &file_name)
 {
   file_name_string_ = file_name;
   out_file_ = fopen (file_name.c_str (), "wb");
@@ -44,14 +44,14 @@ Midi_stream::~Midi_stream ()
 }
 
 void
-Midi_stream::write (string str)
+Midi_stream::write (const string &str)
 {
   size_t sz = sizeof (Byte);
   size_t n = str.length ();
   size_t written = fwrite (str.data (), sz, n, out_file_);
 
   if (written != sz * n)
-    warning (_f ("cannot write to file: `%s'", str.data ()));
+    warning (_f ("cannot write to file: `%s'", file_name_string_.c_str ()));
 }
 
 void