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Re: PLEASE TEST YOUR FS (was Re: 1.7.1: cvs version built in is unstable)
On Apr 22 19:51, Corinna Vinschen wrote:
> On Apr 22 14:12, Corinna Vinschen wrote:
> > Thank you. Oh well. When trying to open the file to check for its
> > existance, the NT status code is STATUS_OBJECT_NAME_NOT_FOUND which is
> > equivalent to the POSIX errno ENOENT, "No such file or directory".
> >
> > Only afterwards, when trying to create the file, the status code is
> > STATUS_OBJECT_NAME_INVALID. Too late for Cygwin.
>
> I've just applied a patch which is supposed to fix this problem.
>
> The core component which evaluates a file and performs basic checks now
> handles the case STATUS_OBJECT_NAME_NOT_FOUND specially. It checks if
> the filename has leading spaces and/or trailing dots and spaces. If so,
> it checks the filesystem. If it's one of the known FSes with broken
> (aka DOS-only) path handling, it removes the offending leading spaces
> and trailing dots and spaces and tries again.
>
> So this:
>
> $ touch " abc ... "
>
> will create the file
>
> " abc ... "
>
> for instance on NTFS or FAT, but it will create the file
>
> "abc"
>
> on NetApp, NWFS and other filesystems recognized as CIFS (but not Samba).
>
> This behaviour is equivalent to the behaviour in native Win32
> applications and in Cygwin 1.5.
>
> While I tested the patch, I had to fake a detail to make it work on
> NTFS. I have no access to one of the broken filesystems myself, so
> a bit of testing under real-life conditions would be quite helpful.
>
> So I'd like to urge all users who could reproduce the aforementioned
> problems to test the *next* Cygwin DLL from the Cygwin Developer
> Snapshots URL http://cygwin.com/snapshots/ and report back if it works
> or if it doesn't. *If* it doesn't work, please report the FS and
> describe the scenario.
>
> Oh, hey, the cvs problem which started this thread would be quite a
> nice test.
The patch is available in the latest snapshot from 2010-04-22.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
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