queue: added queue_shuffle_order_last()

This function shuffles the last song of a range.  This is used by
addSongToPlaylist().

1 files changed, 7 insertions, 0 deletions

diff --git a/src/queue.c b/src/queue.c
index 983c5e43c..73adb2f49 100644
--- a/src/queue.c
+++ b/src/queue.c
@@ -255,6 +255,13 @@ queue_shuffle_order(struct queue *queue)
 }
 
 void
+queue_shuffle_order_last(struct queue *queue, unsigned start, unsigned end)
+{
+	queue_swap_order(queue, end - 1,
+			 g_rand_int_range(queue->rand, start, end));
+}
+
+void
 queue_shuffle_range(struct queue *queue, unsigned start, unsigned end)
 {
 	assert(start <= end);