Issue 5167/6: Changes: show \markup xxx = ... \etc assignments

[lilypond.git] / lily / program-option.cc

diff --git a/lily/program-option.cc b/lily/program-option.cc
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..21fc5c166c9c2cf51737259c21b8f4929330f6d7 100644 (file)
--- a/lily/program-option.cc
+++ b/lily/program-option.cc
@@ -0,0 +1,36 @@
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2007--2015 Han-Wen Nienhuys <hanwen@lilypond.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
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "program-option.hh"
+
+string
+get_output_backend_name ()
+{
+  return ly_symbol2string (ly_get_option (ly_symbol2scm ("backend")));
+}
+
+bool
+get_program_option (const char *s)
+{
+  SCM sym = ly_symbol2scm (s);
+
+  return to_boolean (ly_get_option (sym));
+}
+