[serialize] Movce empty-object handling earlier

2019-04-02 17:20:04 -07:00 · 2019-04-02 17:20:04 -07:00 · e04518bafc
parent 7f73c9744e
commit e04518bafc
1 changed files with 3 additions and 3 deletions
--- a/src/hb-serialize.hh
+++ b/src/hb-serialize.hh
@ -172,6 +172,9 @@ struct hb_serialize_context_t
    obj.tail = head;
    unsigned len = obj.tail - obj.head;

+    if (!len)
+      return 0;
+
    objidx_t objidx = packed_map.get (&obj);
    if (objidx)
    {
@ -183,9 +186,6 @@ struct hb_serialize_context_t
    memmove (tail, obj.head, len);
    head = obj.head;

-    if (!len)
-      return 0;
-
    obj.head = tail;
    obj.tail = tail + len;