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To:	cygdev <cygwin-developers AT sourceware DOT cygnus DOT com>
Subject:	Re: [RFD]: Using a new feature of Win2K for symlinks
References:	<394007B4 DOT FADA8798 AT vinschen DOT de>
Mime-Version:	1.0 (generated by tm-edit 7.106)
From:	Kazuhiro Fujieda <fujieda AT jaist DOT ac DOT jp>
Date:	09 Jun 2000 14:33:48 +0900
In-Reply-To:	Corinna Vinschen's message of Thu, 08 Jun 2000 22:53:08 +0200
Message-ID:	<s1sln0fquyr.fsf@jaist.ac.jp>
Lines:	25
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>>> On Thu, 08 Jun 2000 22:53:08 +0200
>>> Corinna Vinschen <corinna AT vinschen DOT de> said:

> - The IO_REPARSE_TAG_SYMBOLIC_LINK is nice but completely useless
>   at the moment or on a base W2K system (I don't know exactly).

I guess Microsoft will ship a file-system filter which recognize
this tag along with Interix or SFU in the near feature.

> Disadvantage:
> 
> 	Reparse point symlinks are always absolute windows
> 	paths. Relative paths are impossible. So that patch
> 	always changes the incoming path to an absolute
> 	windows path. Maybe, this will break some apps ?!?

A windows path can't revert to the original posix path via
conv_to_win32_path. So the mechanisms depending only on win32
paths can break some apps. For example, the current implementation
of getcwd() breaks `du' and `find' executed in the directory `/usr'.
I'm afraid your approach will cause this kind of problem.
____
  | AIST      Kazuhiro Fujieda <fujieda AT jaist DOT ac DOT jp>
  | HOKURIKU  School of Information Science
o_/ 1990      Japan Advanced Institute of Science and Technology

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