diff options
Diffstat (limited to 'src/hb-shape-plan.cc')
-rw-r--r-- | src/hb-shape-plan.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/hb-shape-plan.cc b/src/hb-shape-plan.cc index d2f293d6..1d94c520 100644 --- a/src/hb-shape-plan.cc +++ b/src/hb-shape-plan.cc @@ -293,8 +293,13 @@ hb_shape_plan_execute (hb_shape_plan_t *shape_plan, num_features, shape_plan->shaper_func); - if (unlikely (hb_object_is_inert (shape_plan) || - hb_object_is_inert (buffer))) + if (unlikely (!buffer->len)) + return true; + + assert (!hb_object_is_inert (buffer)); + assert (buffer->content_type == HB_BUFFER_CONTENT_TYPE_UNICODE); + + if (unlikely (hb_object_is_inert (shape_plan))) return false; assert (shape_plan->face_unsafe == font->face); |