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X-HELO:	calimero.vinschen.de
Date:	Fri, 5 Aug 2016 11:30:58 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Size limitation for NcFsd drive?
Message-ID:	<20160805093058.GJ25811@calimero.vinschen.de>
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On Aug  4 20:31, Franz Sirl wrote:
> Sorry for the delay, for some reason my users keep me busy with strange
> bugs, see my answers below.

I know what you mean :)

> Am 2016-08-02 um 16:59 schrieb Corinna Vinschen:
> > Hi Franz,
> >=20
> > On Aug  2 16:26, Franz Sirl wrote:
> > > Nevertheless I believe the fallback to
> > > NtQueryDirectoryFile(FileIdBothDirectoryInformation) does not do what=
 you
> > > want if the path is the root directory of a share. But that's not the=
 cause
> > > of this problem.
> >=20
> > Yeah, as I wrote in my reply, the NtQueryDirectoryFile branch isn't
> > supposed to be hit in this scenario.  It's solely for "access denied"
> > situations.
>=20
> Got it.
>=20
> > Are you set up to build your own Cygwin DLL so you can test the above
> > patch locally?
>=20
> Not really, but since I've already created a few testcases for Novell now=
, I
> have my own little "framework" using ntdll.dll directly. I added your code
> to it and it showed:
>=20
> C:\NovellQueryAllInformationFile\Debug>NovellQueryAllInformationFile.exe =
t:\
> NtQueryInformationFile(FileAllInformation) 't:\' resulted in errorcode
> c7e90006, description: (no description)
> Returned filename:  ''
> NtQueryInformationFile(FileBasicInformation) 't:\' resulted in errorcode =
0,
> description: STATUS_WAIT_0
> NtQueryInformationFile(FileStandardInformation) 't:\' resulted in errorco=
de
> 0, description: STATUS_WAIT_0
>=20
> So your fallback will work nicely. No idea if it's worth it, because I'll
> likely get an updated NCP client soon from Novell.

Ok, thank you.  I applied a patch nevertheless, because we can never be
really sure there won't be another filesystems with the same problem.

I uploaded a new developer snapshot to https://cygwin.com/snapshots/
which contains my fix.  It would be nice if you could give it a try.


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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