fix crash in hb_map_t::clear()

in case called immediately after init()

fix crash in hb_map_t::clear()
in case called immediately after init()
eebc21c8 · Michiharu Ariza · a17ed845 · eebc21c8
隐藏空白更改
内联并排

Showing with 2 addition and 1 deletion

src/hb-map.hh src/hb-map.hh +2 -1

未找到文件。
--- a/src/hb-map.hh
+++ b/src/hb-map.hh
@@ -170,7 +170,8 @@ struct hb_map_t

  void clear ()
  {
-    memset (items, 0xFF, ((size_t) mask + 1) * sizeof (item_t));
+    if (items)
+      memset (items, 0xFF, ((size_t) mask + 1) * sizeof (item_t));
    population = occupancy = 0;
  }