GNU bug report logs - #3836
(file-exists-p "//.gz") needs seven seconds

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From: help-debbugs <at> gnu.org (Emacs bug Tracking System)
To: "Christoph Conrad" <christoph.conrad <at> gmx.de>
Subject: bug#3836 closed by Eli Zaretskii <eliz <at> gnu.org> (Re: bug#3836:
 (file-exists-p "//.gz") needs seven seconds)
Date: Mon, 13 Jul 2009 19:05:08 +0000

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This is an automatic notification regarding your bug report
which was filed against the emacs package:

#3836: (file-exists-p "//.gz") needs seven seconds

It has been closed by Eli Zaretskii <eliz <at> gnu.org>.

Their explanation is attached below along with your original report.
If this explanation is unsatisfactory and you have not received a
better one in a separate message then please contact Eli Zaretskii <eliz <at> gnu.org> by
replying to this email.


-- 
3836: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3836
Emacs Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Eli Zaretskii <eliz <at> gnu.org>
To: Christoph Conrad <christoph.conrad <at> gmx.de>,
        3836-done <at> debbugs.gnu.org
Subject: Re: bug#3836: (file-exists-p "//.gz") needs seven seconds
Date: Mon, 13 Jul 2009 21:59:15 +0300

> From: "Christoph Conrad" <christoph.conrad <at> gmx.de>
> Date: Mon, 13 Jul 2009 15:03:04 +0200
> Cc: christoph.conrad <at> gmx.de
> 
> 1) emacs -Q
> 2) M-: (file-exists-p "//.gz") <RET>
> 
> On my computer this needs several seconds to come back. The file does
> NOT exist.

That's not an Emacs problem: a file whose name begins with two slashes
or two backslashes is a UNC-style file name, and your Windows computer
looks it up on the network.  That eventually times out, but can take a
lot of time until it does.

I'm closing this bug report.

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From: "Christoph Conrad" <christoph.conrad <at> gmx.de>
To: bug-gnu-emacs <at> gnu.org
Cc: christoph.conrad <at> gmx.de
Subject: (file-exists-p "//.gz") needs seven seconds
Date: Mon, 13 Jul 2009 15:03:04 +0200

Hi,

1) emacs -Q
2) M-: (file-exists-p "//.gz") <RET>

On my computer this needs several seconds to come back. The file does
NOT exist.

If i am in cc-mode and a lione starts with "/// " and i press "ctrl-x
ctrl-f" using ffap then this needs over ten seconds to return, cause
emacs tries to determine if there are files named "//.gz" or "//.Z".

In GNU Emacs 22.3.1 (i386-mingw-nt5.1.2600)
 of 2008-09-06 on SOFT-MJASON
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: DEU
  locale-coding-system: cp1252
  default-enable-multibyte-characters: t

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