directory: moved code to update.c

The source directory.c mixes several libraries: directory object
management, database management and database update, resulting in a
1000+ line monster.  Move the whole database update code to update.c.

1 files changed, 45 insertions, 0 deletions

diff --git a/src/update.h b/src/update.h
new file mode 100644
index 000000000..574749fce
--- /dev/null
+++ b/src/update.h
@@ -0,0 +1,45 @@
+/* the Music Player Daemon (MPD)
+ * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
+ * Copyright (C) 2008 Max Kellermann <max@duempel.org>
+ * This project's homepage is: 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef UPDATE_H
+#define UPDATE_H
+
+#include "directory.h"
+
+enum update_return {
+	UPDATE_RETURN_ERROR = -1,
+	UPDATE_RETURN_NOUPDATE = 0,
+	UPDATE_RETURN_UPDATED = 1
+};
+
+int isUpdatingDB(void);
+
+enum update_return
+exploreDirectory(Directory * directory);
+
+/*
+ * returns the non-negative update job ID on success,
+ * returns -1 if busy
+ * @path will be freed by this function and should not be reused
+ */
+int directory_update_init(char *path);
+
+void reap_update_task(void);
+
+#endif