GNU bug report logs - #22795
25.0.91; Can't write read only file on w32

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Package: emacs;

Reported by: "Ota, Takaaki" <Takaaki.Ota <at> am.sony.com>

Date: Wed, 24 Feb 2016 18:18:02 UTC

Severity: normal

Tags: moreinfo

Found in version 25.0.91

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

Full log

Message #55 received at 22795 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: "Ota\, Takaaki" <Takaaki.Ota <at> am.sony.com>
Cc: 22795 <at> debbugs.gnu.org
Subject: Re: bug#22795: 25.0.91; Can't write read only file on w32
Date: Mon, 29 Feb 2016 20:48:30 +0200

> Date: Mon, 29 Feb 2016 10:05:26 -0800
> CC: <22795 <at> debbugs.gnu.org>
> From: "Ota, Takaaki" <Takaaki.Ota <at> am.sony.com>
> 
> I set a break pointer at write_region() in fileio.c and then perform
> the save-buffer command.  When emacs breaks at write_region() on 24.5
> the file's permission is changed to writable while on 25.0.91 the
> permission remains read-only.

Both results are wrong: the file should not exist when write_region is
called, because Emacs renamed it to the backup-file name.  The problem
is most probably in making the backup, so I suggest looking at
sys_rename instead.
This bug report was last modified 8 years and 163 days ago.

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