From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: 13553@debbugs.gnu.org, shigeru.fukaya@gmail.com
Subject: bug#13553: 24.3.50; incorrect usage of IS_DIRECTORY_SEP
Date: Sat, 26 Jan 2013 15:23:02 +0200 [thread overview]
Message-ID: <83ip6kjcy1.fsf@gnu.org> (raw)
In-Reply-To: <jwvip6knms7.fsf-monnier+emacs@gnu.org>
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Cc: shigeru.fukaya@gmail.com, 13553@debbugs.gnu.org
> Date: Sat, 26 Jan 2013 07:40:08 -0500
>
> > You call file-attributes, which encodes the file name and passes it to
> > 'lstat'. The implementation of 'lstat' in w32.c then looks at the
> > last byte of the encoded file name to see if there's a slash or
> > backslash there. Boom!
>
> I see. So, does that meant that w32.c can't faithfully implement lstat
> without doing the moral equivalent of re-decoding its argument?
It can, if we limit such support to Windows codepage encodings. See
the changes I made on the emacs-24 branch revisions 111194 and 111200.
This will still lose if the user binds file-name-coding-system to
something like shift_jis (instead of using its Windows extension
cp932), but there's nothing I can do about that. I was lucky to find
in Windows APIs 2 functions that can move forward and backward by DBCS
characters, and that accept a codepage as their argument (i.e. do not
limit support to the current system codepage). Personally, I think
supporting all possible Windows codepages is good enough.
next prev parent reply other threads:[~2013-01-26 13:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-26 5:52 bug#13553: 24.3.50; incorrect usage of IS_DIRECTORY_SEP Shigeru Fukaya
2013-01-26 10:26 ` Stefan Monnier
2013-01-26 11:16 ` Eli Zaretskii
2013-01-26 12:40 ` Stefan Monnier
2013-01-26 13:23 ` Eli Zaretskii [this message]
2013-01-26 22:24 ` Stefan Monnier
2013-01-27 7:06 ` Eli Zaretskii
2013-01-27 8:36 ` Shigeru Fukaya
2013-01-27 9:40 ` Eli Zaretskii
2013-01-26 12:56 ` Eli Zaretskii
2013-01-26 14:06 ` Eli Zaretskii
2013-01-26 16:33 ` Shigeru Fukaya
2013-01-26 17:37 ` Eli Zaretskii
2013-01-27 6:56 ` Shigeru Fukaya
2013-01-27 7:15 ` Eli Zaretskii
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