update: convert to C++

28 files changed, 134 insertions, 108 deletions

diff --git a/src/inotify_queue.c b/src/InotifyQueue.cxx
index d5e2228c3..572e53fc3 100644
--- a/src/inotify_queue.c
+++ b/src/InotifyQueue.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * 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
@@ -18,8 +18,8 @@
  */
 
 #include "config.h"
-#include "inotify_queue.h"
-#include "update.h"
+#include "InotifyQueue.hxx"
+#include "UpdateGlue.hxx"
 
 #include <glib.h>
 
@@ -67,7 +67,7 @@ mpd_inotify_run_update(G_GNUC_UNUSED gpointer data)
 	unsigned id;
 
 	while (inotify_queue != NULL) {
-		char *uri_utf8 = inotify_queue->data;
+		char *uri_utf8 = (char *)inotify_queue->data;
 
 		id = update_enqueue(uri_utf8, false);
 		if (id == 0)
@@ -108,7 +108,7 @@ mpd_inotify_enqueue(char *uri_utf8)
 
 	inotify_queue = NULL;
 	while (old_queue != NULL) {
-		char *current_uri = old_queue->data;
+		char *current_uri = (char *)old_queue->data;
 
 		if (path_in(uri_utf8, current_uri)) {
 			/* already enqueued */
diff --git a/src/inotify_queue.h b/src/InotifyQueue.hxx
index cfc28ebfe..0c4863ab5 100644
--- a/src/inotify_queue.h
+++ b/src/InotifyQueue.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * 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
@@ -17,8 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_INOTIFY_QUEUE_H
-#define MPD_INOTIFY_QUEUE_H
+#ifndef MPD_INOTIFY_QUEUE_HXX
+#define MPD_INOTIFY_QUEUE_HXX
 
 void
 mpd_inotify_queue_init(void);
diff --git a/src/inotify_source.c b/src/InotifySource.cxx
index 2fbfdff7e..689468102 100644
--- a/src/inotify_source.c
+++ b/src/InotifySource.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * 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
@@ -18,8 +18,12 @@
  */
 
 #include "config.h"
-#include "inotify_source.h"
+#include "InotifySource.hxx"
+
+extern "C" {
 #include "fifo_buffer.h"
+}
+
 #include "fd_util.h"
 #include "mpd_error.h"
 
@@ -63,11 +67,10 @@ mpd_inotify_in_event(G_GNUC_UNUSED GIOChannel *_source,
 		     G_GNUC_UNUSED GIOCondition condition,
 		     gpointer data)
 {
-	struct mpd_inotify_source *source = data;
+	struct mpd_inotify_source *source = (struct mpd_inotify_source *)data;
 	void *dest;
 	size_t length;
 	ssize_t nbytes;
-	const struct inotify_event *event;
 
 	dest = fifo_buffer_write(source->buffer, &length);
 	if (dest == NULL)
@@ -85,7 +88,9 @@ mpd_inotify_in_event(G_GNUC_UNUSED GIOChannel *_source,
 	while (true) {
 		const char *name;
 
-		event = fifo_buffer_read(source->buffer, &length);
+		const struct inotify_event *event =
+			(const struct inotify_event *)
+			fifo_buffer_read(source->buffer, &length);
 		if (event == NULL || length < sizeof(*event) ||
 		    length < sizeof(*event) + event->len)
 			break;
diff --git a/src/inotify_source.h b/src/InotifySource.hxx
index 7aec18b3d..cde2bc269 100644
--- a/src/inotify_source.h
+++ b/src/InotifySource.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * 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
@@ -17,8 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_INOTIFY_SOURCE_H
-#define MPD_INOTIFY_SOURCE_H
+#ifndef MPD_INOTIFY_SOURCE_HXX
+#define MPD_INOTIFY_SOURCE_HXX
 
 #include "gerror.h"
 
diff --git a/src/inotify_update.c b/src/InotifyUpdate.cxx
index 3f4a8c0c4..e9350591b 100644
--- a/src/inotify_update.c
+++ b/src/InotifyUpdate.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * 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
@@ -18,12 +18,15 @@
  */
 
 #include "config.h" /* must be first for large file support */
-#include "inotify_update.h"
-#include "inotify_source.h"
-#include "inotify_queue.h"
+#include "InotifyUpdate.hxx"
+#include "InotifySource.hxx"
+#include "InotifyQueue.hxx"
 #include "database.h"
+
+extern "C" {
 #include "mapper.h"
 #include "path.h"
+}
 
 #include <assert.h>
 #include <sys/inotify.h>
@@ -90,7 +93,8 @@ tree_remove_watch_directory(struct watch_directory *directory)
 static struct watch_directory *
 tree_find_watch_directory(int wd)
 {
-	return g_tree_lookup(inotify_directories, GINT_TO_POINTER(wd));
+	return (struct watch_directory *)
+		g_tree_lookup(inotify_directories, GINT_TO_POINTER(wd));
 }
 
 static void
@@ -109,7 +113,7 @@ remove_watch_directory(struct watch_directory *directory)
 	tree_remove_watch_directory(directory);
 
 	while (directory->children != NULL)
-		remove_watch_directory(directory->children->data);
+		remove_watch_directory((struct watch_directory *)directory->children->data);
 
 	directory->parent->children =
 		g_list_remove(directory->parent->children, directory);
@@ -349,7 +353,7 @@ static gboolean
 free_watch_directory(G_GNUC_UNUSED gpointer key, gpointer value,
 		     G_GNUC_UNUSED gpointer data)
 {
-	struct watch_directory *directory = value;
+	struct watch_directory *directory = (struct watch_directory *)value;
 
 	g_free(directory->name);
 	g_list_free(directory->children);
diff --git a/src/inotify_update.h b/src/InotifyUpdate.hxx
index ca75c0f45..ceb421553 100644
--- a/src/inotify_update.h
+++ b/src/InotifyUpdate.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * 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
@@ -17,8 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_INOTIFY_UPDATE_H
-#define MPD_INOTIFY_UPDATE_H
+#ifndef MPD_INOTIFY_UPDATE_HXX
+#define MPD_INOTIFY_UPDATE_HXX
 
 #include "check.h"
 
diff --git a/src/Main.cxx b/src/Main.cxx
index 057551391..44042d8ca 100644
--- a/src/Main.cxx
+++ b/src/Main.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -20,6 +20,7 @@
 #include "config.h"
 #include "Main.hxx"
 #include "PlaylistFile.hxx"
+#include "UpdateGlue.hxx"
 #include "chunk.h"
 
 extern "C" {
@@ -31,7 +32,6 @@ extern "C" {
 #include "AllCommands.h"
 #include "playlist.h"
 #include "database.h"
-#include "update.h"
 #include "player_thread.h"
 #include "listen.h"
 #include "cmdline.h"
@@ -59,12 +59,12 @@ extern "C" {
 
 #include "mpd_error.h"
 
-extern "C" {
-
 #ifdef ENABLE_INOTIFY
-#include "inotify_update.h"
+#include "InotifyUpdate.hxx"
 #endif
 
+extern "C" {
+
 #ifdef ENABLE_SQLITE
 #include "sticker.h"
 #endif
diff --git a/src/OtherCommands.cxx b/src/OtherCommands.cxx
index a703a2ffe..8518f437f 100644
--- a/src/OtherCommands.cxx
+++ b/src/OtherCommands.cxx
@@ -21,6 +21,7 @@
 #include "OtherCommands.hxx"
 #include "DatabaseCommands.hxx"
 #include "CommandError.hxx"
+#include "UpdateGlue.hxx"
 #include "directory.h"
 #include "song.h"
 
@@ -31,7 +32,6 @@ extern "C" {
 #include "ls.h"
 #include "uri.h"
 #include "decoder_print.h"
-#include "update.h"
 #include "volume.h"
 #include "stats.h"
 #include "permission.h"
diff --git a/src/PlayerCommands.cxx b/src/PlayerCommands.cxx
index 015ac9a15..3aa3f7e63 100644
--- a/src/PlayerCommands.cxx
+++ b/src/PlayerCommands.cxx
@@ -21,13 +21,13 @@
 #include "PlayerCommands.hxx"
 #include "CommandError.hxx"
 #include "PlaylistPrint.hxx"
+#include "UpdateGlue.hxx"
 
 extern "C" {
 #include "protocol/argparser.h"
 #include "protocol/result.h"
 #include "player_control.h"
 #include "playlist.h"
-#include "update.h"
 #include "volume.h"
 #include "client.h"
 #include "client_internal.h"
diff --git a/src/update_archive.c b/src/UpdateArchive.cxx
index 3fb2bc18c..c57534ea4 100644
--- a/src/update_archive.c
+++ b/src/UpdateArchive.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -18,14 +18,17 @@
  */
 
 #include "config.h" /* must be first for large file support */
-#include "update_archive.h"
-#include "update_internal.h"
+#include "UpdateArchive.hxx"
+#include "UpdateInternal.hxx"
 #include "db_lock.h"
 #include "directory.h"
 #include "song.h"
+
+extern "C" {
 #include "mapper.h"
 #include "archive_list.h"
 #include "archive_plugin.h"
+}
 
 #include <glib.h>
 
diff --git a/src/update_archive.h b/src/UpdateArchive.hxx
index a9139b0e0..533f8ffd0 100644
--- a/src/update_archive.h
+++ b/src/UpdateArchive.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -17,8 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_UPDATE_ARCHIVE_H
-#define MPD_UPDATE_ARCHIVE_H
+#ifndef MPD_UPDATE_ARCHIVE_HXX
+#define MPD_UPDATE_ARCHIVE_HXX
 
 #include "check.h"
 #include "gcc.h"
diff --git a/src/update_container.c b/src/UpdateContainer.cxx
index bda95dabe..68f8c3b98 100644
--- a/src/update_container.c
+++ b/src/UpdateContainer.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -18,16 +18,19 @@
  */
 
 #include "config.h" /* must be first for large file support */
-#include "update_container.h"
-#include "update_internal.h"
-#include "update_db.h"
+#include "UpdateContainer.hxx"
+#include "UpdateInternal.hxx"
+#include "UpdateDatabase.hxx"
 #include "db_lock.h"
 #include "directory.h"
 #include "song.h"
-#include "mapper.h"
 #include "decoder_plugin.h"
+
+extern "C" {
+#include "mapper.h"
 #include "tag.h"
 #include "tag_handler.h"
+}
 
 #include <glib.h>
 
diff --git a/src/update_container.h b/src/UpdateContainer.hxx
index 7f42c80ca..81f081a59 100644
--- a/src/update_container.h
+++ b/src/UpdateContainer.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -17,12 +17,11 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_UPDATE_CONTAINER_H
-#define MPD_UPDATE_CONTAINER_H
+#ifndef MPD_UPDATE_CONTAINER_HXX
+#define MPD_UPDATE_CONTAINER_HXX
 
 #include "check.h"
 
-#include <stdbool.h>
 #include <sys/stat.h>
 
 struct directory;
diff --git a/src/update_db.c b/src/UpdateDatabase.cxx
index 8982a53e2..fa3408d66 100644
--- a/src/update_db.c
+++ b/src/UpdateDatabase.cxx
@@ -18,13 +18,16 @@
  */
 
 #include "config.h" /* must be first for large file support */
-#include "update_db.h"
-#include "update_remove.h"
+#include "UpdateDatabase.hxx"
+#include "UpdateRemove.hxx"
 #include "directory.h"
 #include "song.h"
-#include "playlist_vector.h"
 #include "db_lock.h"
 
+extern "C" {
+#include "playlist_vector.h"
+}
+
 #include <glib.h>
 #include <assert.h>
 
diff --git a/src/update_db.h b/src/UpdateDatabase.hxx
index 0a9e46b05..511f75690 100644
--- a/src/update_db.h
+++ b/src/UpdateDatabase.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -17,13 +17,11 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_UPDATE_DB_H
-#define MPD_UPDATE_DB_H
+#ifndef MPD_UPDATE_DATABASE_HXX
+#define MPD_UPDATE_DATABASE_HXX
 
 #include "check.h"
 
-#include <stdbool.h>
-
 struct directory;
 struct song;
 
diff --git a/src/update.c b/src/UpdateGlue.cxx
index e47db8f09..203f16b76 100644
--- a/src/update.c
+++ b/src/UpdateGlue.cxx
@@ -18,18 +18,20 @@
  */
 
 #include "config.h"
-#include "update.h"
-#include "update_queue.h"
-#include "update_walk.h"
-#include "update_remove.h"
-#include "update.h"
+#include "UpdateGlue.hxx"
+#include "UpdateQueue.hxx"
+#include "UpdateWalk.hxx"
+#include "UpdateRemove.hxx"
+
+extern "C" {
 #include "database.h"
 #include "mapper.h"
 #include "playlist.h"
 #include "event_pipe.h"
-#include "update.h"
 #include "idle.h"
 #include "stats.h"
+}
+
 #include "Main.hxx"
 #include "mpd_error.h"
 
@@ -65,7 +67,7 @@ isUpdatingDB(void)
 
 static void * update_task(void *_path)
 {
-	const char *path = _path;
+	const char *path = (const char *)_path;
 
 	if (path != NULL && *path != 0)
 		g_debug("starting: %s", path);
diff --git a/src/update.h b/src/UpdateGlue.hxx
index 3d586b694..9d546a2a3 100644
--- a/src/update.h
+++ b/src/UpdateGlue.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * 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
@@ -17,10 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_UPDATE_H
-#define MPD_UPDATE_H
-
-#include <stdbool.h>
+#ifndef MPD_UPDATE_GLUE_HXX
+#define MPD_UPDATE_GLUE_HXX
 
 void update_global_init(void);
 
diff --git a/src/update_io.c b/src/UpdateIO.cxx
index c6a540a0f..fefbc4d11 100644
--- a/src/update_io.c
+++ b/src/UpdateIO.cxx
@@ -18,11 +18,14 @@
  */
 
 #include "config.h" /* must be first for large file support */
-#include "update_io.h"
-#include "mapper.h"
+#include "UpdateIO.hxx"
 #include "directory.h"
 #include "glib_compat.h"
 
+extern "C" {
+#include "mapper.h"
+}
+
 #include <glib.h>
 
 #include <errno.h>
diff --git a/src/update_io.h b/src/UpdateIO.hxx
index 6ff1ccebd..7b6175fdf 100644
--- a/src/update_io.h
+++ b/src/UpdateIO.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -17,12 +17,11 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_UPDATE_IO_H
-#define MPD_UPDATE_IO_H
+#ifndef MPD_UPDATE_IO_HXX
+#define MPD_UPDATE_IO_HXX
 
 #include "check.h"
 
-#include <stdbool.h>
 #include <sys/stat.h>
 
 struct directory;
diff --git a/src/update_internal.h b/src/UpdateInternal.hxx
index 76ab7bed3..76ab7bed3 100644
--- a/src/update_internal.h
+++ b/src/UpdateInternal.hxx
diff --git a/src/update_queue.c b/src/UpdateQueue.cxx
index 2150fa4e4..85eb22358 100644
--- a/src/update_queue.c
+++ b/src/UpdateQueue.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * 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
@@ -18,7 +18,7 @@
  */
 
 #include "config.h"
-#include "update_queue.h"
+#include "UpdateQueue.hxx"
 
 #include <glib.h>
 
diff --git a/src/update_queue.h b/src/UpdateQueue.hxx
index 84ba474b0..7de06964f 100644
--- a/src/update_queue.h
+++ b/src/UpdateQueue.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -17,13 +17,11 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_UPDATE_QUEUE_H
-#define MPD_UPDATE_QUEUE_H
+#ifndef MPD_UPDATE_QUEUE_HXX
+#define MPD_UPDATE_QUEUE_HXX
 
 #include "check.h"
 
-#include <stdbool.h>
-
 unsigned
 update_queue_push(const char *path, bool discard, unsigned base);
 
diff --git a/src/update_remove.c b/src/UpdateRemove.cxx
index c2e353c63..71852ea96 100644
--- a/src/update_remove.c
+++ b/src/UpdateRemove.cxx
@@ -18,15 +18,21 @@
  */
 
 #include "config.h" /* must be first for large file support */
-#include "update_remove.h"
+#include "UpdateRemove.hxx"
+
+extern "C" {
 #include "event_pipe.h"
-#include "song.h"
 #include "playlist.h"
+}
+
+#include "song.h"
 #include "Main.hxx"
 
 #ifdef ENABLE_SQLITE
+extern "C" {
 #include "sticker.h"
 #include "song_sticker.h"
+}
 #endif
 
 #include <glib.h>
diff --git a/src/update_remove.h b/src/UpdateRemove.hxx
index 479ef83ff..dc15622fc 100644
--- a/src/update_remove.h
+++ b/src/UpdateRemove.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -17,8 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_UPDATE_REMOVE_H
-#define MPD_UPDATE_REMOVE_H
+#ifndef MPD_UPDATE_REMOVE_HXX
+#define MPD_UPDATE_REMOVE_HXX
 
 #include "check.h"
 
diff --git a/src/update_song.c b/src/UpdateSong.cxx
index 1126ad115..8241d46f2 100644
--- a/src/update_song.c
+++ b/src/UpdateSong.cxx
@@ -18,17 +18,20 @@
  */
 
 #include "config.h" /* must be first for large file support */
-#include "update_song.h"
-#include "update_internal.h"
-#include "update_io.h"
-#include "update_db.h"
-#include "update_container.h"
+#include "UpdateSong.hxx"
+#include "UpdateInternal.hxx"
+#include "UpdateIO.hxx"
+#include "UpdateDatabase.hxx"
+#include "UpdateContainer.hxx"
 #include "db_lock.h"
 #include "directory.h"
 #include "song.h"
-#include "decoder_list.h"
 #include "decoder_plugin.h"
 
+extern "C" {
+#include "decoder_list.h"
+}
+
 #include <glib.h>
 
 #include <unistd.h>
@@ -104,7 +107,7 @@ update_song_file(struct directory *directory,
 		 const struct stat *st)
 {
 	const struct decoder_plugin *plugin =
-		decoder_plugin_from_suffix(suffix, false);
+		decoder_plugin_from_suffix(suffix, nullptr);
 	if (plugin == NULL)
 		return false;
 
diff --git a/src/update_song.h b/src/UpdateSong.hxx
index cff63f576..abf25aae9 100644
--- a/src/update_song.h
+++ b/src/UpdateSong.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -17,12 +17,11 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_UPDATE_SONG_H
-#define MPD_UPDATE_SONG_H
+#ifndef MPD_UPDATE_SONG_HXX
+#define MPD_UPDATE_SONG_HXX
 
 #include "check.h"
 
-#include <stdbool.h>
 #include <sys/stat.h>
 
 struct directory;
diff --git a/src/update_walk.c b/src/UpdateWalk.cxx
index 8554e8f3c..a8ca1e4ed 100644
--- a/src/update_walk.c
+++ b/src/UpdateWalk.cxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -18,22 +18,25 @@
  */
 
 #include "config.h" /* must be first for large file support */
-#include "update_walk.h"
-#include "update_io.h"
-#include "update_db.h"
-#include "update_song.h"
-#include "update_archive.h"
-#include "database.h"
+#include "UpdateWalk.hxx"
+#include "UpdateIO.hxx"
+#include "UpdateDatabase.hxx"
+#include "UpdateSong.hxx"
+#include "UpdateArchive.hxx"
 #include "db_lock.h"
-#include "exclude.h"
 #include "directory.h"
 #include "song.h"
+
+extern "C" {
+#include "exclude.h"
+#include "database.h"
 #include "playlist_vector.h"
 #include "uri.h"
 #include "mapper.h"
 #include "path.h"
 #include "playlist_list.h"
 #include "conf.h"
+}
 
 #include <glib.h>
 
diff --git a/src/update_walk.h b/src/UpdateWalk.hxx
index ab1e41fb9..7fa3083fc 100644
--- a/src/update_walk.h
+++ b/src/UpdateWalk.hxx
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * 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
@@ -17,8 +17,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef MPD_UPDATE_WALK_H
-#define MPD_UPDATE_WALK_H
+#ifndef MPD_UPDATE_WALK_HXX
+#define MPD_UPDATE_WALK_HXX
 
 #include "check.h"