mpdclient: added mpdclient_playlist_init(), mpdclient_playlist_clear()

Moved code from mpdclient_new() and mpdclient_playlist_free().  In
mpdclient_disconnect(), call mpdclient_playlist_clear() instead of
mpdclient_playlist_free() (which is now called in mpdclient_free()).

1 files changed, 22 insertions, 3 deletions

diff --git a/src/playlist.c b/src/playlist.c
index e2530435e..b600343d7 100644
--- a/src/playlist.c
+++ b/src/playlist.c
@@ -29,8 +29,17 @@
 
 #define MPD_ERROR(c) (c==NULL || c->connection==NULL || c->connection->error)
 
-gint
-mpdclient_playlist_free(mpdclient_playlist_t *playlist)
+void
+playlist_init(struct mpdclient_playlist *playlist)
+{
+	playlist->id = 0;
+	playlist->updated = FALSE;
+	playlist->list = g_array_sized_new(FALSE, FALSE,
+					   sizeof(struct mpd_song *), 1024);
+}
+
+void
+playlist_clear(struct mpdclient_playlist *playlist)
 {
 	guint i;
 
@@ -39,7 +48,17 @@ mpdclient_playlist_free(mpdclient_playlist_t *playlist)
 		mpd_freeSong(song);
 	}
 
-	g_array_free(playlist->list, TRUE);
+	g_array_set_size(playlist->list, 0);
+}
+
+gint
+mpdclient_playlist_free(mpdclient_playlist_t *playlist)
+{
+	if (playlist->list != NULL) {
+		playlist_clear(playlist);
+		g_array_free(playlist->list, TRUE);
+	}
+
 	memset(playlist, 0, sizeof(mpdclient_playlist_t));
 	return 0;
 }