From 681ef857bb2522e93b03ab8b3adb74c76977da65 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Sun, 18 Oct 2009 02:21:56 +0200
Subject: [PATCH] mpdclient: removed mpdclient_cmd_swap()

Not used anymore.
---
 src/mpdclient.c | 50 -------------------------------------------------
 src/mpdclient.h |  3 ---
 src/playlist.h  | 11 -----------
 3 files changed, 64 deletions(-)

diff --git a/src/mpdclient.c b/src/mpdclient.c
index f627936..0a93bc9 100644
--- a/src/mpdclient.c
+++ b/src/mpdclient.c
@@ -618,56 +618,6 @@ mpdclient_cmd_delete_range(struct mpdclient *c, unsigned start, unsigned end)
 	return true;
 }
 
-bool
-mpdclient_cmd_swap(struct mpdclient *c, gint old_index, gint new_index)
-{
-	struct mpd_connection *connection = mpdclient_get_connection(c);
-	const struct mpd_song *song1, *song2;
-	struct mpd_status *status;
-
-	if (connection == NULL)
-		return false;
-
-	if (old_index == new_index || new_index < 0 ||
-	    (guint)new_index >= c->playlist.list->len)
-		return false;
-
-	song1 = playlist_get(&c->playlist, old_index);
-	song2 = playlist_get(&c->playlist, new_index);
-
-	/* send the delete command to mpd; at the same time, get the
-	   new status (to verify the playlist id) */
-
-	if (!mpd_command_list_begin(connection, false) ||
-	    !mpd_send_swap_id(connection, mpd_song_get_id(song1),
-			      mpd_song_get_id(song2)) ||
-	    !mpd_send_status(connection) ||
-	    !mpd_command_list_end(connection))
-		return mpdclient_handle_error(c);
-
-	c->events |= MPD_IDLE_PLAYLIST;
-
-	status = mpdclient_recv_status(c);
-	if (status == NULL)
-		return false;
-
-	if (!mpd_response_finish(connection))
-		return mpdclient_handle_error(c);
-
-	if (mpd_status_get_queue_length(status) == playlist_length(&c->playlist) &&
-	    mpd_status_get_queue_version(status) == c->playlist.version + 1) {
-		/* the cheap route: match on the new playlist length
-		   and its version, we can keep our local playlist
-		   copy in sync */
-		c->playlist.version = mpd_status_get_queue_version(status);
-
-		/* swap songs in the local playlist */
-		playlist_swap(&c->playlist, old_index, new_index);
-	}
-
-	return true;
-}
-
 bool
 mpdclient_cmd_move(struct mpdclient *c, unsigned dest_pos, unsigned src_pos)
 {
diff --git a/src/mpdclient.h b/src/mpdclient.h
index 940b3eb..8309aa3 100644
--- a/src/mpdclient.h
+++ b/src/mpdclient.h
@@ -119,9 +119,6 @@ mpdclient_cmd_delete(struct mpdclient *c, gint index);
 bool
 mpdclient_cmd_delete_range(struct mpdclient *c, unsigned start, unsigned end);
 
-bool
-mpdclient_cmd_swap(struct mpdclient *c, gint old_index, gint new_index);
-
 bool
 mpdclient_cmd_move(struct mpdclient *c, unsigned dest, unsigned src);
 
diff --git a/src/playlist.h b/src/playlist.h
index 8768b9e..c5256e6 100644
--- a/src/playlist.h
+++ b/src/playlist.h
@@ -102,17 +102,6 @@ playlist_remove(struct mpdclient_playlist *playlist, guint idx)
 	mpd_song_free(playlist_remove_reuse(playlist, idx));
 }
 
-static inline void
-playlist_swap(struct mpdclient_playlist *playlist, guint idx1, guint idx2)
-{
-	struct mpd_song *song1 = playlist_get(playlist, idx1);
-	struct mpd_song *song2 = playlist_get(playlist, idx2);
-
-	/* update the array */
-	g_ptr_array_index(playlist->list, idx1) = song2;
-	g_ptr_array_index(playlist->list, idx2) = song1;
-}
-
 void
 playlist_move(struct mpdclient_playlist *playlist,
 	      unsigned dest, unsigned src);
-- 
2.30.2