X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fsource-file.cc;h=26426ae8af1e80824e2626f41c1ff1449e134d99;hb=00216e16c717470ae53dbbfd1d52850d1b102e29;hp=6ecedc9854f1880df2106802053df8dfa0aadb92;hpb=c0a691181c981f55ef28e5daa8410b41e37ef808;p=lilypond.git

diff --git a/lily/source-file.cc b/lily/source-file.cc
index 6ecedc9854..26426ae8af 100644
--- a/lily/source-file.cc
+++ b/lily/source-file.cc
@@ -55,7 +55,7 @@ Source_file::load_stdin ()
   return contents of FILENAME. *Not 0-terminated!*
  */
 vector<char>
-gulp_file (string filename, int desired_size)
+gulp_file (const string &filename, int desired_size)
 {
   /* "b" must ensure to open literally, avoiding text (CR/LF)
      conversions.  */
@@ -106,7 +106,7 @@ Source_file::init ()
   smobify_self ();
 }
 
-Source_file::Source_file (string filename, string data)
+Source_file::Source_file (const string &filename, const string &data)
 {
   init ();
 
@@ -124,7 +124,7 @@ Source_file::Source_file (string filename, string data)
       newline_locations_.push_back (&characters_[0] + i);
 }
 
-Source_file::Source_file (string filename_string)
+Source_file::Source_file (const string &filename_string)
 {
   init ();