Minor improvement to HB_SHAPER_DATA_DESTROY

diff --git a/src/hb-shaper-private.hh b/src/hb-shaper-private.hh
index 29c4493..d1d1146 100644 (file)
--- a/src/hb-shaper-private.hh
+++ b/src/hb-shaper-private.hh
@@ -79,10 +79,9 @@ struct hb_shaper_data_t {
        HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (HB_SHAPER_DATA_TYPE (shaper, object) *data)
 
 #define HB_SHAPER_DATA_DESTROY(shaper, object) \
-       if (object->shaper_data.shaper && \
-           object->shaper_data.shaper != HB_SHAPER_DATA_INVALID && \
-           object->shaper_data.shaper != HB_SHAPER_DATA_SUCCEEDED) \
-         HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (HB_SHAPER_DATA (shaper, object));
+    if (HB_SHAPER_DATA_TYPE (shaper, object) *data = HB_SHAPER_DATA (shaper, object)) \
+      if (data != HB_SHAPER_DATA_INVALID && data != HB_SHAPER_DATA_SUCCEEDED) \
+        HB_SHAPER_DATA_DESTROY_FUNC (shaper, object) (data);
 
 #define HB_SHAPER_DATA_ENSURE_DECLARE(shaper, object) \
 static inline bool \