hb_buffer_serialize_format_from_string (const char *str, int len)
{
/* Upper-case it. */
- return (hb_buffer_serialize_format_t) (hb_tag_from_string (str, len) & ~0x20202020);
+ return (hb_buffer_serialize_format_t) (hb_tag_from_string (str, len) & ~0x20202020u);
}
/**