Re: [PATCH] open: O_DIRECTORY and O_CREAT together should fail

[Miklos Szeredi]

> > > > Well yes.  But I don't think anybody is using it, and if so they are
> > > > clearly breaking the rules in man open(2):
> > > 
> > > Be liberal in what you accept and all such...  Everything else aside,
> > > why bother?
> > 
> > To conform to well defined semantics?
> 
> Well-defined is not exactly the word I'd use for that mess (example -
> we still have the last remnant of ancient BSD idiocy in there; the last
> case when dangling symlink is still traversed upon object creation,
> everything else had been fixed since then).
> 
> And O_DIRECTORY is not the only flag that acquires or loses meaning
> depending on O_CREAT - consider e.g. O_EXCL.  It's a mess, of course,
> but this mess is part of userland ABI.  We tried to fix symlink idiocy,
> BTW, on the assumption that nothing would be relying on it.  Didn't
> work...

OK, I'm convinced.

Miklos
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