Bug with paths containing double slashes after double dot after a mount point

Illia Bobyr Illia.Bobyr@ronin-capital.com
Fri Jun 17 21:07:00 GMT 2011

On 6/17/2011 1:59 PM, Vadim Zeitlin wrote:
>   Hello,
>   I think I've discovered a bug with handling specific forms of "mixed" form
> paths in Cygwin 1.7. Here is the briefest possible demonstration:
> 	$ ls C:/cygwin/lib/X11/../libc.a
> 	C:/cygwin/lib/X11/../libc.a
> 	$ ls C:/cygwin/lib/X11/..//libc.a
> 	ls: cannot access C:/cygwin/lib/X11/..//libc.a: No such file or directory
> [...]
> P.S. I don't include detailed cygcheck output as I don't think it's of any
>       interest because the bug isn't system-dependent but please let me know
>       if it would be useful to send it nevertheless, e.g. if you can't
>       reproduce this behaviour.

Does not happen on my box:

$ ls C:/cygwin/lib/X11/../libc.a

$ ls C:/cygwin/lib/X11/..//libc.a

$ mount|fgrep lib
C:/cygwin/lib on /usr/lib type ntfs (binary,auto)

$ uname -a
CYGWIN_NT-5.1 WITD-ORL-IBOBY1 1.7.9(0.237/5/3) 2011-03-29 10:10 i686 Cygwin

Ilya Bobyr
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