> > And went this less intrusive way. > > > > I'll respin with s/-1/UINT8_MAX/. > > Problem, now this entry is ignored (interface_class==-1):
Yep, "-1" is used as "not used" or "end-of-list" indicator, and it is outside the valid range to avoid that kind of clashes. You need some other way to express that if you want go with smaller types which don't allow values outside the valid range any more. Add a "flags" field for that maybe? cheers, Gerd
