Make print_warning parm a const.

3 files changed, 6 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 4a2b75db..099e42e9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-06-12  Stan Cox  <scox@redhat.com>
+
+	* elaborate.cxx (print_warning): Make parameter a const.
+
 2008-06-11  Frank Ch. Eigler  <fche@elastic.org>
 
 	* Makefile.am (EXTRA_DIST): Add dwarf_wrappers.h.
diff --git a/elaborate.cxx b/elaborate.cxx
index d0665c90..e9746cdd 100644
--- a/elaborate.cxx
+++ b/elaborate.cxx
@@ -1229,7 +1229,7 @@ systemtap_session::print_error (const semantic_error& e)
 }
 
 void
-systemtap_session::print_warning (string message_str)
+systemtap_session::print_warning (const string& message_str)
 {
   // Duplicate elimination
   if (seen_warnings.find (message_str) == seen_warnings.end())
diff --git a/session.h b/session.h
index ba945149..2b6ac79d 100644
--- a/session.h
+++ b/session.h
@@ -167,7 +167,7 @@ struct systemtap_session
   unsigned num_errors () { return seen_errors.size(); }
   // void print_error (const parse_error& e);
   void print_error (const semantic_error& e);
-  void print_warning (std::string w);
+  void print_warning (const std::string& w);
 
   // reNB: new POD members likely need to be explicitly cleared in the ctor.
 };