From: Matthieu Lemerre <racin@free.fr>
To: emacs-devel@gnu.org
Subject: Re: unicode build: "comparison is always true" warnings
Date: Sat, 24 Nov 2007 15:49:48 +0100 [thread overview]
Message-ID: <87bq9ju29f.fsf@free.fr> (raw)
In-Reply-To: jeabp3d8zd.fsf@sykes.suse.de
>> An attacker could create a symlink with this name file between these
>> two operations, thus the file would be erased.
>
> That does not happen, because the open will fail when the file already
> exists.
>
> Andreas.
You're right, this is the meaning of O_EXCL, that I had forgotten.
Then I agree with you; mkstemp is just a commodity.
next prev parent reply other threads:[~2007-11-24 14:49 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-23 4:57 unicode build: "comparison is always true" warnings Mark A. Hershberger
2007-11-23 15:09 ` Stefan Monnier
2007-11-23 17:42 ` Mark A. Hershberger
2007-11-23 18:07 ` Andreas Schwab
2007-11-23 18:40 ` Stefan Monnier
2007-11-23 18:52 ` Andreas Schwab
2007-11-23 20:02 ` Stefan Monnier
2007-11-23 20:12 ` Glenn Morris
2007-11-23 21:22 ` Andreas Schwab
2007-11-23 21:35 ` Mark A. Hershberger
2007-11-23 21:53 ` Andreas Schwab
2007-11-24 1:49 ` Mark A. Hershberger
2007-11-24 8:26 ` Andreas Schwab
2007-11-24 9:30 ` Jan Djärv
2007-11-24 9:46 ` Andreas Schwab
2007-11-24 11:23 ` Matthieu Lemerre
2007-11-24 14:16 ` Andreas Schwab
2007-11-24 14:49 ` Matthieu Lemerre [this message]
2007-11-24 15:20 ` David Kastrup
2007-11-24 17:00 ` Andreas Schwab
2007-11-24 18:21 ` David Kastrup
[not found] ` <4747FDF6.3050203@swipnet.se>
[not found] ` <je1wagrkn9.fsf@sykes.suse.de>
[not found] ` <4748064D.6010405@swipnet.se>
[not found] ` <jelk8nrido.fsf@sykes.suse.de>
2007-11-24 13:08 ` Jan Djärv
2007-11-24 13:57 ` Andreas Schwab
2007-11-24 18:24 ` Mark A. Hershberger
2007-11-23 18:42 ` Mark A. Hershberger
2007-11-23 18:54 ` Andreas Schwab
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