On Wed, Nov 13, 2019 at 07:52:43AM +0100, Bjørn Mork wrote: > Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> writes: > > > We do not need a special flag to know if we are dealing with an array, > > as we can get that data from ratio between element length and the data > > size, however we do need a flag to know whether the data is stored > > directly inside property_entry or separately. > > Doesn't a non-null prop->pointer tell you this? No it does not because pointer is a part of a union. > > And inverting the flag is unnecessarily risky IMHO. An all-zero prop > might now result in dereferencing a NULL prop->pointer instead of using > the empty prop->value. Now I haven't looked at the code to see if this > is a real problem. But I believe it's better not having to do that > anyway... All-zero property is a terminator and thus we will not dereference anything. Thanks. -- Dmitry