db_save, state_file: convert to C++

src/SongSave.hxx

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_SONG_SAVE_HXX
+#define MPD_SONG_SAVE_HXX
+
+#include <glib.h>
+
+#include <stdio.h>
+
+#define SONG_BEGIN "song_begin: "
+
+struct song;
+struct directory;
+
+void
+song_save(FILE *fp, const struct song *song);
+
+/**
+ * Loads a song from the input file.  Reading stops after the
+ * "song_end" line.
+ *
+ * @param error_r location to store the error occurring, or NULL to
+ * ignore errors
+ * @return true on success, false on error
+ */
+struct song *
+song_load(FILE *fp, struct directory *parent, const char *uri,
+	  GString *buffer, GError **error_r);
+
+#endif