Immutable buffer fix

4 years ago · f56eb402f0
parent 150f391438
commit f56eb402f0
1 changed files with 7 additions and 0 deletions
--- a/src/hb-buffer-serialize.cc
+++ b/src/hb-buffer-serialize.cc
@ -776,6 +776,13 @@ hb_buffer_deserialize_unicode (hb_buffer_t *buffer,
  assert ((!buffer->len && (buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID)) ||
          (buffer->content_type == HB_BUFFER_CONTENT_TYPE_UNICODE));

+
+  if (unlikely (hb_object_is_immutable (buffer)))
+  {
+    *end_ptr = buf;
+    return false;
+  }
+
  if (buf_len == -1)
    buf_len = strlen (buf);