opendir(/dev/fd/n) should fail

Corinna Vinschen corinna-cygwin@cygwin.com
Thu Jan 22 10:42:00 GMT 2015


On Jan 21 22:55, Helmut Karlowski wrote:
> I discovered a strange behaviour when accessing /dev/fd:
> 
>         ls -l /dev/fd/0
>         ls -l /dev/fd/0/1
>         ls -l /dev/fd/0/1/2/3/4/5
>         ls -l /dev/fd/0/1/2/3/
>         ls -l /dev/fd/0/1/2
>         ls -l /dev/fd/0/1/2/3
>         ls -l /dev/fd/0/1/1/1/1
> 
> gives:
> 
> lrwxrwxrwx 1 hk Benutzer 0 Jan 21 23:52 /dev/fd/0 -> /dev/pty0
> lrwxrwxrwx 1 hk Benutzer 0 Jan 21 23:52 /dev/fd/0/1 -> /dev/pty0
> ls: cannot access /dev/fd/0/1/2/3/4/5: Not a directory
> ls: cannot access /dev/fd/0/1/2/3/: Not a directory
> lrwxrwxrwx 1 hk Benutzer 0 Jan 21 23:52 /dev/fd/0/1/2 -> /dev/pty0
> ls: cannot access /dev/fd/0/1/2/3: Not a directory
> lrwxrwxrwx 1 hk Benutzer 0 Jan 21 23:52 /dev/fd/0/1/1/1/1 -> /dev/pty0
> 
> I'd expect ls /dev/fd/n/p to fail for any combination of n and p.
> 
> I'm using 1.7.32. Has this been fixed meanwhile?

No, nobody reported it yet, afaics.  I'll have a look later today.


Thanks,
Corinna

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