On Jan 20 10:40, Ken Brown via Cygwin-patches wrote:
> When .. is in the source path and the path prefix exists but is not a
> directory, return ENOTDIR instead of ENOENT.  This fixes a failing
> gnulib test of realpath(3).
> 
> Addresses: https://lists.gnu.org/archive/html/bug-gnulib/2021-01/msg00214.html
> ---
>  winsup/cygwin/path.cc       | 4 +++-
>  winsup/cygwin/release/3.2.0 | 4 ++++
>  2 files changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
> index abd3687df..6dc162806 100644
> --- a/winsup/cygwin/path.cc
> +++ b/winsup/cygwin/path.cc
> @@ -323,8 +323,10 @@ normalize_posix_path (const char *src, char *dst, char 
> *&tail)
>                         if (!tp.check_usage (4, 3))
>                           return ELOOP;
>                         path_conv head (dst, PC_SYM_FOLLOW | PC_POSIX);
> -                       if (!head.isdir())
> +                       if (!head.exists ())
>                           return ENOENT;
> +                       if (!head.isdir ())
> +                         return ENOTDIR;
>                         /* At this point, dst is a normalized path.  If the
>                            normalized path created by path_conv does not
>                            match the normalized path we're just testing, then
> diff --git a/winsup/cygwin/release/3.2.0 b/winsup/cygwin/release/3.2.0
> index c18a848de..43725cec2 100644
> --- a/winsup/cygwin/release/3.2.0
> +++ b/winsup/cygwin/release/3.2.0
> @@ -48,3 +48,7 @@ Bug Fixes
>  
>  - Fix a bug in fstatat(2) on 32 bit that could cause it to return garbage.
>    Addresses: https://cygwin.com/pipermail/cygwin/2021-January/247399.html
> +
> +- Fix the errno when a path contains .. and the prefix exists but is
> +  not a directory.
> +  Addresses: 
> https://lists.gnu.org/archive/html/bug-gnulib/2021-01/msg00214.html
> -- 
> 2.30.0

Ok, please push.


Thanks,
Corinna

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