X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=flower%2Fstd-string.cc;h=347f0f3688a449fe1d219cd6a4040804cf4ee9dc;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=dbfb0edd832a5b7c3dbf7630aef236a72e1d5156;hpb=863b09e94acb2b3e543cb68b096e8b40db1889f1;p=lilypond.git

diff --git a/flower/std-string.cc b/flower/std-string.cc
index dbfb0edd83..347f0f3688 100644
--- a/flower/std-string.cc
+++ b/flower/std-string.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 2006--2011  Jan Nieuwenhuizen <janneke@gnu.org>
+  Copyright (C) 2006--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
@@ -21,7 +21,7 @@
 #include "string-convert.hh"
 
 string
-to_string (string s)
+to_string (const string &s)
 {
   return s;
 }
@@ -106,7 +106,7 @@ replace_all (string *str, char find, char replace)
 }
 
 char *
-string_copy (string s)
+string_copy (const string &s)
 {
   ssize len = s.length ();
   char *dest = new char[len + 1];
@@ -144,7 +144,7 @@ string_split (string str, char c)
 }
 
 string
-string_join (vector<string> const &strs, string infix)
+string_join (vector<string> const &strs, const string &infix)
 {
   string result;
   for (vsize i = 0; i < strs.size (); i++)