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Date: Wed, 5 Jul 2017 10:01:50 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: scandirat return dirents of parent dir
Message-ID: <20170705080150.GB7642@calimero.vinschen.de>
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On Jul  5 05:38, comic fans wrote:
> I've already submitted a patch for this but your fix is much
> quicker... confirmed this snapshot resolved the problem. Thank you.
> >> Hello:
> >>      I've found this problem when compile
> >> casync(https://github.com/systemd/casync.git) in cygwin,workflow to
> >> trigger this :
> >>     rootfd=3Dopen(".",O_CLOEXEC|O_RDONLY|O_NOCTTY);
> >>     scandirat(rootfd,".", firstLevelDirEnts......);
> >>     foreach dirent in firstLevelDirEnts:
> >>          if dirent is dir:
> >>              subdirfd=3Dopenat(rootfd,
> >>                   dirent->d_name,O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLO=
W);
> >>              scandirat(subdirfd,".",  secondLevelDirEnts......);
> >>
> >>      at this time, secondLevelDirEnts should be files in subdir, but
> >> in cygwin, secondLevelDirEnts is just same as firstLevelDirEnts.
> >>
> >>       This problem didn't happen in linux , nor win10 WSL,  but
> >> happens in both cygwin/msys2.
> >
> >First I thought you stumbled over the problem that the first two entries
> >returned by scandirat are "." and "..", but on closer investigation I
> >saw the problem.
> >
> >I pushed a fix to the git repo and uploaded new developer snapshots
> >to https://cygwin.com/snapshots/  Please try.

I only saw your patch on cygwin-patches hours later, sorry.

Thanks for testing!


Corinna

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

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