11 files changed, 128 insertions, 107 deletions

diff --git a/src/command.c b/src/command.c
index b2cf24975..9aff88567 100644
--- a/src/command.c
+++ b/src/command.c
@@ -399,7 +399,7 @@ handle_play(struct client *client, int argc, char *argv[])
 
 	if (argc == 2 && !check_int(client, &song, argv[1], need_positive))
 		return COMMAND_RETURN_ERROR;
-	result = playPlaylist(&g_playlist, song);
+	result = playlist_play(&g_playlist, song);
 	return print_playlist_result(client, result);
 }
 
@@ -412,7 +412,7 @@ handle_playid(struct client *client, int argc, char *argv[])
 	if (argc == 2 && !check_int(client, &id, argv[1], need_positive))
 		return COMMAND_RETURN_ERROR;
 
-	result = playPlaylistById(&g_playlist, id);
+	result = playlist_play_id(&g_playlist, id);
 	return print_playlist_result(client, result);
 }
 
@@ -420,7 +420,7 @@ static enum command_return
 handle_stop(G_GNUC_UNUSED struct client *client,
 	    G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[])
 {
-	stopPlaylist(&g_playlist);
+	playlist_stop(&g_playlist);
 	return COMMAND_RETURN_OK;
 }
 
@@ -479,21 +479,21 @@ handle_status(struct client *client,
 		      COMMAND_STATUS_CROSSFADE ": %i\n"
 		      COMMAND_STATUS_STATE ": %s\n",
 		      volume_level_get(),
-		      getPlaylistRepeatStatus(&g_playlist),
-		      getPlaylistRandomStatus(&g_playlist),
-		      getPlaylistSingleStatus(&g_playlist),
-		      getPlaylistConsumeStatus(&g_playlist),
-		      getPlaylistVersion(&g_playlist),
-		      getPlaylistLength(&g_playlist),
+		      playlist_get_repeat(&g_playlist),
+		      playlist_get_random(&g_playlist),
+		      playlist_get_single(&g_playlist),
+		      playlist_get_consume(&g_playlist),
+		      playlist_get_version(&g_playlist),
+		      playlist_get_length(&g_playlist),
 		      (int)(getPlayerCrossFade() + 0.5),
 		      state);
 
-	song = getPlaylistCurrentSong(&g_playlist);
+	song = playlist_get_current_song(&g_playlist);
 	if (song >= 0) {
 		client_printf(client,
 			      COMMAND_STATUS_SONG ": %i\n"
 			      COMMAND_STATUS_SONGID ": %u\n",
-			      song, getPlaylistSongId(&g_playlist, song));
+			      song, playlist_get_song_id(&g_playlist, song));
 	}
 
 	if (getPlayerState() != PLAYER_STATE_STOP) {
@@ -521,12 +521,12 @@ handle_status(struct client *client,
 			      getPlayerErrorStr());
 	}
 
-	song = getPlaylistNextSong(&g_playlist);
+	song = playlist_get_next_song(&g_playlist);
 	if (song >= 0) {
 		client_printf(client,
 			      COMMAND_STATUS_NEXTSONG ": %i\n"
 			      COMMAND_STATUS_NEXTSONGID ": %u\n",
-			      song, getPlaylistSongId(&g_playlist, song));
+			      song, playlist_get_song_id(&g_playlist, song));
 	}
 
 	return COMMAND_RETURN_OK;
@@ -1021,7 +1021,7 @@ handle_next(G_GNUC_UNUSED struct client *client,
 	int single = g_playlist.queue.single;
 	g_playlist.queue.single = false;
 
-	nextSongInPlaylist(&g_playlist);
+	playlist_next(&g_playlist);
 
 	g_playlist.queue.single = single;
 	return COMMAND_RETURN_OK;
@@ -1031,7 +1031,7 @@ static enum command_return
 handle_previous(G_GNUC_UNUSED struct client *client,
 		G_GNUC_UNUSED int argc, G_GNUC_UNUSED char *argv[])
 {
-	previousSongInPlaylist(&g_playlist);
+	playlist_previous(&g_playlist);
 	return COMMAND_RETURN_OK;
 }
 
@@ -1090,7 +1090,7 @@ handle_repeat(struct client *client, G_GNUC_UNUSED int argc, char *argv[])
 		return COMMAND_RETURN_ERROR;
 	}
 
-	setPlaylistRepeatStatus(&g_playlist, status);
+	playlist_set_repeat(&g_playlist, status);
 	return COMMAND_RETURN_OK;
 }
 
@@ -1108,7 +1108,7 @@ handle_single(struct client *client, G_GNUC_UNUSED int argc, char *argv[])
 		return COMMAND_RETURN_ERROR;
 	}
 
-	setPlaylistSingleStatus(&g_playlist, status);
+	playlist_set_single(&g_playlist, status);
 	return COMMAND_RETURN_OK;
 }
 
@@ -1126,7 +1126,7 @@ handle_consume(struct client *client, G_GNUC_UNUSED int argc, char *argv[])
 		return COMMAND_RETURN_ERROR;
 	}
 
-	setPlaylistConsumeStatus(&g_playlist, status);
+	playlist_set_consume(&g_playlist, status);
 	return COMMAND_RETURN_OK;
 }
 
@@ -1144,7 +1144,7 @@ handle_random(struct client *client, G_GNUC_UNUSED int argc, char *argv[])
 		return COMMAND_RETURN_ERROR;
 	}
 
-	setPlaylistRandomStatus(&g_playlist, status);
+	playlist_set_random(&g_playlist, status);
 	return COMMAND_RETURN_OK;
 }
 
@@ -1285,7 +1285,7 @@ handle_seek(struct client *client, G_GNUC_UNUSED int argc, char *argv[])
 	if (!check_int(client, &seek_time, argv[2], check_integer, argv[2]))
 		return COMMAND_RETURN_ERROR;
 
-	result = seekSongInPlaylist(&g_playlist, song, seek_time);
+	result = playlist_seek_song(&g_playlist, song, seek_time);
 	return print_playlist_result(client, result);
 }
 
@@ -1300,7 +1300,7 @@ handle_seekid(struct client *client, G_GNUC_UNUSED int argc, char *argv[])
 	if (!check_int(client, &seek_time, argv[2], check_integer, argv[2]))
 		return COMMAND_RETURN_ERROR;
 
-	result = seekSongInPlaylistById(&g_playlist, id, seek_time);
+	result = playlist_seek_song_id(&g_playlist, id, seek_time);
 	return print_playlist_result(client, result);
 }
 
diff --git a/src/event_pipe.h b/src/event_pipe.h
index ecb7ec9e8..33f92d440 100644
--- a/src/event_pipe.h
+++ b/src/event_pipe.h
@@ -32,7 +32,7 @@ enum pipe_event {
 	/** an idle event was emitted */
 	PIPE_EVENT_IDLE,
 
-	/** must call syncPlayerAndPlaylist() */
+	/** must call playlist_sync() */
 	PIPE_EVENT_PLAYLIST,
 
 	/** the current song's tag has changed */
diff --git a/src/playlist.c b/src/playlist.c
index ef20894e2..162103c2e 100644
--- a/src/playlist.c
+++ b/src/playlist.c
@@ -34,7 +34,8 @@
 #undef G_LOG_DOMAIN
 #define G_LOG_DOMAIN "playlist"
 
-void playlistVersionChange(struct playlist *playlist)
+void
+playlist_increment_version_all(struct playlist *playlist)
 {
 	queue_modify_all(&playlist->queue);
 	idle_add(IDLE_PLAYLIST);
@@ -98,7 +99,8 @@ playlist_queue_song_order(struct playlist *playlist, unsigned order)
  * Check if the player thread has already started playing the "queued"
  * song.
  */
-static void syncPlaylistWithQueue(struct playlist *playlist)
+static void
+playlist_sync_with_queue(struct playlist *playlist)
 {
 	if (pc.next_song == NULL && playlist->queued != -1) {
 		/* queued song has started: copy queued to current,
@@ -178,7 +180,7 @@ playlist_update_queued_song(struct playlist *playlist, const struct song *prev)
 }
 
 void
-playPlaylistOrderNumber(struct playlist *playlist, int orderNum)
+playlist_play_order(struct playlist *playlist, int orderNum)
 {
 	struct song *song;
 	char *uri;
@@ -197,13 +199,14 @@ playPlaylistOrderNumber(struct playlist *playlist, int orderNum)
 }
 
 static void
-playPlaylistIfPlayerStopped(struct playlist *playlist);
+playlist_resume_playback(struct playlist *playlist);
 
 /**
  * This is the "PLAYLIST" event handler.  It is invoked by the player
  * thread whenever it requests a new queued song, or when it exits.
  */
-void syncPlayerAndPlaylist(struct playlist *playlist)
+void
+playlist_sync(struct playlist *playlist)
 {
 	if (!playlist->playing)
 		/* this event has reached us out of sync: we aren't
@@ -215,11 +218,11 @@ void syncPlayerAndPlaylist(struct playlist *playlist)
 		   should be restarted with the next song.  That can
 		   happen if the playlist isn't filling the queue fast
 		   enough */
-		playPlaylistIfPlayerStopped(playlist);
+		playlist_resume_playback(playlist);
 	else {
 		/* check if the player thread has already started
 		   playing the queued song */
-		syncPlaylistWithQueue(playlist);
+		playlist_sync_with_queue(playlist);
 
 		/* make sure the queued song is always set (if
 		   possible) */
@@ -233,7 +236,7 @@ void syncPlayerAndPlaylist(struct playlist *playlist)
  * decide whether to re-start playback
  */
 static void
-playPlaylistIfPlayerStopped(struct playlist *playlist)
+playlist_resume_playback(struct playlist *playlist)
 {
 	enum player_error error;
 
@@ -251,37 +254,38 @@ playPlaylistIfPlayerStopped(struct playlist *playlist)
 	    playlist->error_count >= queue_length(&playlist->queue))
 		/* too many errors, or critical error: stop
 		   playback */
-		stopPlaylist(playlist);
+		playlist_stop(playlist);
 	else
 		/* continue playback at the next song */
-		nextSongInPlaylist(playlist);
+		playlist_next(playlist);
 }
 
 bool
-getPlaylistRepeatStatus(const struct playlist *playlist)
+playlist_get_repeat(const struct playlist *playlist)
 {
 	return playlist->queue.repeat;
 }
 
 bool
-getPlaylistRandomStatus(const struct playlist *playlist)
+playlist_get_random(const struct playlist *playlist)
 {
 	return playlist->queue.random;
 }
 
 bool
-getPlaylistSingleStatus(const struct playlist *playlist)
+playlist_get_single(const struct playlist *playlist)
 {
 	return playlist->queue.single;
 }
 
 bool
-getPlaylistConsumeStatus(const struct playlist *playlist)
+playlist_get_consume(const struct playlist *playlist)
 {
 	return playlist->queue.consume;
 }
 
-void setPlaylistRepeatStatus(struct playlist *playlist, bool status)
+void
+playlist_set_repeat(struct playlist *playlist, bool status)
 {
 	if (status == playlist->queue.repeat)
 		return;
@@ -296,7 +300,8 @@ void setPlaylistRepeatStatus(struct playlist *playlist, bool status)
 	idle_add(IDLE_OPTIONS);
 }
 
-static void orderPlaylist(struct playlist *playlist)
+static void
+playlist_order(struct playlist *playlist)
 {
 	if (playlist->current >= 0)
 		/* update playlist.current, order==position now */
@@ -306,7 +311,8 @@ static void orderPlaylist(struct playlist *playlist)
 	queue_restore_order(&playlist->queue);
 }
 
-void setPlaylistSingleStatus(struct playlist *playlist, bool status)
+void
+playlist_set_single(struct playlist *playlist, bool status)
 {
 	if (status == playlist->queue.single)
 		return;
@@ -321,7 +327,8 @@ void setPlaylistSingleStatus(struct playlist *playlist, bool status)
 	idle_add(IDLE_OPTIONS);
 }
 
-void setPlaylistConsumeStatus(struct playlist *playlist, bool status)
+void
+playlist_set_consume(struct playlist *playlist, bool status)
 {
 	if (status == playlist->queue.consume)
 		return;
@@ -330,7 +337,8 @@ void setPlaylistConsumeStatus(struct playlist *playlist, bool status)
 	idle_add(IDLE_OPTIONS);
 }
 
-void setPlaylistRandomStatus(struct playlist *playlist, bool status)
+void
+playlist_set_random(struct playlist *playlist, bool status)
 {
 	const struct song *queued;
 
@@ -365,14 +373,15 @@ void setPlaylistRandomStatus(struct playlist *playlist, bool status)
 		} else
 			playlist->current = -1;
 	} else
-		orderPlaylist(playlist);
+		playlist_order(playlist);
 
 	playlist_update_queued_song(playlist, queued);
 
 	idle_add(IDLE_OPTIONS);
 }
 
-int getPlaylistCurrentSong(const struct playlist *playlist)
+int
+playlist_get_current_song(const struct playlist *playlist)
 {
 	if (playlist->current >= 0)
 		return queue_order_to_position(&playlist->queue,
@@ -381,7 +390,8 @@ int getPlaylistCurrentSong(const struct playlist *playlist)
 	return -1;
 }
 
-int getPlaylistNextSong(const struct playlist *playlist)
+int
+playlist_get_next_song(const struct playlist *playlist)
 {
 	if (playlist->current >= 0)
 	{
@@ -404,19 +414,19 @@ int getPlaylistNextSong(const struct playlist *playlist)
 }
 
 unsigned long
-getPlaylistVersion(const struct playlist *playlist)
+playlist_get_version(const struct playlist *playlist)
 {
 	return playlist->queue.version;
 }
 
 int
-getPlaylistLength(const struct playlist *playlist)
+playlist_get_length(const struct playlist *playlist)
 {
 	return queue_length(&playlist->queue);
 }
 
 unsigned
-getPlaylistSongId(const struct playlist *playlist, unsigned song)
+playlist_get_song_id(const struct playlist *playlist, unsigned song)
 {
 	return queue_position_to_id(&playlist->queue, song);
 }
diff --git a/src/playlist.h b/src/playlist.h
index db2e750ab..4126c67c3 100644
--- a/src/playlist.h
+++ b/src/playlist.h
@@ -117,7 +117,8 @@ playlist_get_queue(const struct playlist *playlist)
 	return &playlist->queue;
 }
 
-void playlist_clear(struct playlist *playlist);
+void
+playlist_clear(struct playlist *playlist);
 
 #ifndef WIN32
 /**
@@ -143,19 +144,23 @@ playlist_delete(struct playlist *playlist, unsigned song);
 enum playlist_result
 playlist_delete_id(struct playlist *playlist, unsigned song);
 
-void stopPlaylist(struct playlist *playlist);
+void
+playlist_stop(struct playlist *playlist);
 
 enum playlist_result
-playPlaylist(struct playlist *playlist, int song);
+playlist_play(struct playlist *playlist, int song);
 
 enum playlist_result
-playPlaylistById(struct playlist *playlist, int song);
+playlist_play_id(struct playlist *playlist, int song);
 
-void nextSongInPlaylist(struct playlist *playlist);
+void
+playlist_next(struct playlist *playlist);
 
-void syncPlayerAndPlaylist(struct playlist *playlist);
+void
+playlist_sync(struct playlist *playlist);
 
-void previousSongInPlaylist(struct playlist *playlist);
+void
+playlist_previous(struct playlist *playlist);
 
 void
 playlist_shuffle(struct playlist *playlist, unsigned start, unsigned end);
@@ -176,46 +181,52 @@ enum playlist_result
 playlist_swap_songs_id(struct playlist *playlist, unsigned id1, unsigned id2);
 
 bool
-getPlaylistRepeatStatus(const struct playlist *playlist);
+playlist_get_repeat(const struct playlist *playlist);
 
-void setPlaylistRepeatStatus(struct playlist *playlist, bool status);
+void
+playlist_set_repeat(struct playlist *playlist, bool status);
 
 bool
-getPlaylistRandomStatus(const struct playlist *playlist);
+playlist_get_random(const struct playlist *playlist);
 
-void setPlaylistRandomStatus(struct playlist *playlist, bool status);
+void
+playlist_set_random(struct playlist *playlist, bool status);
 
 bool
-getPlaylistSingleStatus(const struct playlist *playlist);
+playlist_get_single(const struct playlist *playlist);
 
-void setPlaylistSingleStatus(struct playlist *playlist, bool status);
+void
+playlist_set_single(struct playlist *playlist, bool status);
 
 bool
-getPlaylistConsumeStatus(const struct playlist *playlist);
+playlist_get_consume(const struct playlist *playlist);
 
-void setPlaylistConsumeStatus(struct playlist *playlist, bool status);
+void
+playlist_set_consume(struct playlist *playlist, bool status);
 
-int getPlaylistCurrentSong(const struct playlist *playlist);
+int
+playlist_get_current_song(const struct playlist *playlist);
 
-int getPlaylistNextSong(const struct playlist *playlist);
+int
+playlist_get_next_song(const struct playlist *playlist);
 
 unsigned
-getPlaylistSongId(const struct playlist *playlist, unsigned song);
+playlist_get_song_id(const struct playlist *playlist, unsigned song);
 
-int getPlaylistLength(const struct playlist *playlist);
+int
+playlist_get_length(const struct playlist *playlist);
 
 unsigned long
-getPlaylistVersion(const struct playlist *playlist);
+playlist_get_version(const struct playlist *playlist);
 
 enum playlist_result
-seekSongInPlaylist(struct playlist *playlist, unsigned song, float seek_time);
+playlist_seek_song(struct playlist *playlist, unsigned song, float seek_time);
 
 enum playlist_result
-seekSongInPlaylistById(struct playlist *playlist,
+playlist_seek_song_id(struct playlist *playlist,
 		       unsigned id, float seek_time);
 
-void playlistVersionChange(struct playlist *playlist);
-
-int is_valid_playlist_name(const char *utf8path);
+void
+playlist_increment_version_all(struct playlist *playlist);
 
 #endif
diff --git a/src/playlist_control.c b/src/playlist_control.c
index 932a45cf2..cfbcd19f1 100644
--- a/src/playlist_control.c
+++ b/src/playlist_control.c
@@ -38,7 +38,7 @@ enum {
 	PLAYLIST_PREV_UNLESS_ELAPSED = 10,
 };
 
-void stopPlaylist(struct playlist *playlist)
+void playlist_stop(struct playlist *playlist)
 {
 	if (!playlist->playing)
 		return;
@@ -68,7 +68,7 @@ void stopPlaylist(struct playlist *playlist)
 	}
 }
 
-enum playlist_result playPlaylist(struct playlist *playlist, int song)
+enum playlist_result playlist_play(struct playlist *playlist, int song)
 {
 	unsigned i = song;
 
@@ -115,28 +115,28 @@ enum playlist_result playPlaylist(struct playlist *playlist, int song)
 	playlist->stop_on_error = false;
 	playlist->error_count = 0;
 
-	playPlaylistOrderNumber(playlist, i);
+	playlist_play_order(playlist, i);
 	return PLAYLIST_RESULT_SUCCESS;
 }
 
 enum playlist_result
-playPlaylistById(struct playlist *playlist, int id)
+playlist_play_id(struct playlist *playlist, int id)
 {
 	int song;
 
 	if (id == -1) {
-		return playPlaylist(playlist, id);
+		return playlist_play(playlist, id);
 	}
 
 	song = queue_id_to_position(&playlist->queue, id);
 	if (song < 0)
 		return PLAYLIST_RESULT_NO_SUCH_SONG;
 
-	return playPlaylist(playlist, song);
+	return playlist_play(playlist, song);
 }
 
 void
-nextSongInPlaylist(struct playlist *playlist)
+playlist_next(struct playlist *playlist)
 {
 	int next_order;
 	int current;
@@ -157,7 +157,7 @@ nextSongInPlaylist(struct playlist *playlist)
 		/* cancel single */
 		playlist->queue.single = false;
 		/* no song after this one: stop playback */
-		stopPlaylist(playlist);
+		playlist_stop(playlist);
 
 		/* reset "current song" */
 		playlist->current = -1;
@@ -174,11 +174,11 @@ nextSongInPlaylist(struct playlist *playlist)
 			queue_shuffle_order(&playlist->queue);
 
 			/* note that playlist->current and playlist->queued are
-			   now invalid, but playPlaylistOrderNumber() will
+			   now invalid, but playlist_play_order() will
 			   discard them anyway */
 		}
 
-		playPlaylistOrderNumber(playlist, next_order);
+		playlist_play_order(playlist, next_order);
 	}
 
 	/* Consume mode removes each played songs. */
@@ -186,7 +186,7 @@ nextSongInPlaylist(struct playlist *playlist)
 		playlist_delete(playlist, queue_order_to_position(&playlist->queue, current));
 }
 
-void previousSongInPlaylist(struct playlist *playlist)
+void playlist_previous(struct playlist *playlist)
 {
 	if (!playlist->playing)
 		return;
@@ -196,20 +196,20 @@ void previousSongInPlaylist(struct playlist *playlist)
 		/* re-start playing the current song (just like the
 		   "prev" button on CD players) */
 
-		playPlaylistOrderNumber(playlist, playlist->current);
+		playlist_play_order(playlist, playlist->current);
 	} else {
 		if (playlist->current > 0) {
 			/* play the preceding song */
-			playPlaylistOrderNumber(playlist,
+			playlist_play_order(playlist,
 						playlist->current - 1);
 		} else if (playlist->queue.repeat) {
 			/* play the last song in "repeat" mode */
-			playPlaylistOrderNumber(playlist,
+			playlist_play_order(playlist,
 						queue_length(&playlist->queue) - 1);
 		} else {
 			/* re-start playing the current song if it's
 			   the first one */
-			playPlaylistOrderNumber(playlist, playlist->current);
+			playlist_play_order(playlist, playlist->current);
 		}
 	}
 
@@ -217,7 +217,7 @@ void previousSongInPlaylist(struct playlist *playlist)
 }
 
 enum playlist_result
-seekSongInPlaylist(struct playlist *playlist, unsigned song, float seek_time)
+playlist_seek_song(struct playlist *playlist, unsigned song, float seek_time)
 {
 	const struct song *queued;
 	unsigned i;
@@ -241,7 +241,7 @@ seekSongInPlaylist(struct playlist *playlist, unsigned song, float seek_time)
 		/* seeking is not within the current song - first
 		   start playing the new song */
 
-		playPlaylistOrderNumber(playlist, i);
+		playlist_play_order(playlist, i);
 		queued = NULL;
 	}
 
@@ -259,11 +259,11 @@ seekSongInPlaylist(struct playlist *playlist, unsigned song, float seek_time)
 }
 
 enum playlist_result
-seekSongInPlaylistById(struct playlist *playlist, unsigned id, float seek_time)
+playlist_seek_song_id(struct playlist *playlist, unsigned id, float seek_time)
 {
 	int song = queue_id_to_position(&playlist->queue, id);
 	if (song < 0)
 		return PLAYLIST_RESULT_NO_SUCH_SONG;
 
-	return seekSongInPlaylist(playlist, song, seek_time);
+	return playlist_seek_song(playlist, song, seek_time);
 }
diff --git a/src/playlist_edit.c b/src/playlist_edit.c
index 6ab27a93b..7b390aa17 100644
--- a/src/playlist_edit.c
+++ b/src/playlist_edit.c
@@ -44,7 +44,7 @@ static void playlist_increment_version(struct playlist *playlist)
 
 void playlist_clear(struct playlist *playlist)
 {
-	stopPlaylist(playlist);
+	playlist_stop(playlist);
 
 	/* make sure there are no references to allocated songs
 	   anymore */
@@ -238,11 +238,11 @@ playlist_delete(struct playlist *playlist, unsigned song)
 
 		if (playlist->current >= 0 && !paused)
 			/* play the song after the deleted one */
-			playPlaylistOrderNumber(playlist, playlist->current);
+			playlist_play_order(playlist, playlist->current);
 		else
 			/* no songs left to play, stop playback
 			   completely */
-			stopPlaylist(playlist);
+			playlist_stop(playlist);
 
 		queued = NULL;
 	} else if (playlist->current == (int)songOrder)
diff --git a/src/playlist_global.c b/src/playlist_global.c
index 4f8374494..dcb972490 100644
--- a/src/playlist_global.c
+++ b/src/playlist_global.c
@@ -37,7 +37,7 @@ playlist_tag_event(void)
 static void
 playlist_event(void)
 {
-	syncPlayerAndPlaylist(&g_playlist);
+	playlist_sync(&g_playlist);
 }
 
 void
diff --git a/src/playlist_internal.h b/src/playlist_internal.h
index af880691b..8b2f780cc 100644
--- a/src/playlist_internal.h
+++ b/src/playlist_internal.h
@@ -47,6 +47,6 @@ playlist_update_queued_song(struct playlist *playlist,
 			    const struct song *prev);
 
 void
-playPlaylistOrderNumber(struct playlist *playlist, int orderNum);
+playlist_play_order(struct playlist *playlist, int orderNum);
 
 #endif
diff --git a/src/playlist_print.c b/src/playlist_print.c
index fd61ab62c..1ca11e4c1 100644
--- a/src/playlist_print.c
+++ b/src/playlist_print.c
@@ -69,7 +69,7 @@ playlist_print_id(struct client *client, const struct playlist *playlist,
 bool
 playlist_print_current(struct client *client, const struct playlist *playlist)
 {
-	int current_position = getPlaylistCurrentSong(playlist);
+	int current_position = playlist_get_current_song(playlist);
 
 	if (current_position < 0)
 		return false;
diff --git a/src/playlist_state.c b/src/playlist_state.c
index cbf77813e..f288a5738 100644
--- a/src/playlist_state.c
+++ b/src/playlist_state.c
@@ -144,23 +144,23 @@ playlist_state_restore(const char *line, FILE *fp, struct playlist *playlist)
 			if (strcmp
 			    (&(buffer[strlen(PLAYLIST_STATE_FILE_REPEAT)]),
 			     "1") == 0) {
-				setPlaylistRepeatStatus(playlist, true);
+				playlist_set_repeat(playlist, true);
 			} else
-				setPlaylistRepeatStatus(playlist, false);
+				playlist_set_repeat(playlist, false);
 		} else if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_SINGLE)) {
 			if (strcmp
 			    (&(buffer[strlen(PLAYLIST_STATE_FILE_SINGLE)]),
 			     "1") == 0) {
-				setPlaylistSingleStatus(playlist, true);
+				playlist_set_single(playlist, true);
 			} else
-				setPlaylistSingleStatus(playlist, false);
+				playlist_set_single(playlist, false);
 		} else if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_CONSUME)) {
 			if (strcmp
 			    (&(buffer[strlen(PLAYLIST_STATE_FILE_CONSUME)]),
 			     "1") == 0) {
-				setPlaylistConsumeStatus(playlist, true);
+				playlist_set_consume(playlist, true);
 			} else
-				setPlaylistConsumeStatus(playlist, false);
+				playlist_set_consume(playlist, false);
 		} else if (g_str_has_prefix(buffer, PLAYLIST_STATE_FILE_CROSSFADE)) {
 			setPlayerCrossFade(atoi
 					   (&
@@ -181,7 +181,7 @@ playlist_state_restore(const char *line, FILE *fp, struct playlist *playlist)
 		}
 	}
 
-	setPlaylistRandomStatus(playlist, random_mode);
+	playlist_set_random(playlist, random_mode);
 
 	if (!queue_is_empty(&playlist->queue)) {
 		if (!queue_valid_position(&playlist->queue, current))
@@ -190,9 +190,9 @@ playlist_state_restore(const char *line, FILE *fp, struct playlist *playlist)
 		if (state == PLAYER_STATE_STOP /* && config_option */)
 			playlist->current = current;
 		else if (seek_time == 0)
-			playPlaylist(playlist, current);
+			playlist_play(playlist, current);
 		else
-			seekSongInPlaylist(playlist, current, seek_time);
+			playlist_seek_song(playlist, current, seek_time);
 
 		if (state == PLAYER_STATE_PAUSE)
 			playerPause();
diff --git a/src/update.c b/src/update.c
index 22fed2c7a..b857b4d65 100644
--- a/src/update.c
+++ b/src/update.c
@@ -868,7 +868,7 @@ static void update_finished_event(void)
 
 	if (modified) {
 		/* send "idle" events */
-		playlistVersionChange(&g_playlist);
+		playlist_increment_version_all(&g_playlist);
 		idle_add(IDLE_DATABASE);
 	}