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From: Eli Zaretskii <eliz@gnu.org>
To: Andreas Politz <politza@hochschule-trier.de>
Cc: 15426@debbugs.gnu.org
Subject: bug#15426: 24.3.50; Multibyte filenames and directory-files in unibyte buffer
Date: Fri, 20 Sep 2013 20:46:03 +0300	[thread overview]
Message-ID: <831u4jl738.fsf@gnu.org> (raw)
In-Reply-To: <87ob7nh22t.fsf@hochschule-trier.de>

> From: Andreas Politz <politza@hochschule-trier.de>
> Date: Fri, 20 Sep 2013 18:47:54 +0200
> 
> There seems to be something going wrong with the
> encoding/decoding of multibyte filenames from a unibyte buffer in
> recursive calls to directory-files.
> 
> $ emacs -Q 
> 
> (setq d "/tmp/Ä")
> "/tmp/Ä"
> 
> (make-directory d t)
> nil
> 
> (toggle-enable-multibyte-characters)
> t
> 
> (car (directory-files d t))
> "/tmp/Ä/."
> 
> (car (directory-files (car (directory-files d t)) t))
> "/tmp/\301\203\300\204/."

Don't do that: inserting multibyte strings into a unibyte buffer
changes the representation of the characters in the string, so you get
a unibyte string.  Unibyte buffers should only ever hold encoded text
or binary data.

Why did you need to do something like that, and in what real-life use
case?





  reply	other threads:[~2013-09-20 17:46 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-20 16:47 bug#15426: 24.3.50; Multibyte filenames and directory-files in unibyte buffer Andreas Politz
2013-09-20 17:46 ` Eli Zaretskii [this message]
2013-09-20 18:51   ` Andreas Politz
2013-09-20 19:08     ` Eli Zaretskii
2013-09-20 19:15   ` Stefan Monnier
2013-09-20 19:17     ` Eli Zaretskii
2013-09-20 20:56       ` Andreas Politz
2013-09-21  6:48         ` Eli Zaretskii
2013-09-21  9:35           ` Andreas Politz
2013-09-21  9:38             ` Andreas Politz
2013-09-21 11:59             ` Eli Zaretskii
2013-09-21 17:12               ` Andreas Politz
2013-09-21 18:53                 ` Eli Zaretskii
2013-09-21 16:06           ` Stefan Monnier
2013-09-21 16:26             ` Eli Zaretskii
2013-09-22  1:29               ` Stefan Monnier

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