Date: Sat, 9 Dec 2000 21:32:17 -0500 From: Chris Faulhaber <jedgar@fxp.org> To: Will Andrews <will@physics.purdue.edu> Cc: freebsd-audit@FreeBSD.ORG Subject: Re: mktemp(1) usage Message-ID: <20001209213217.A10185@peitho.fxp.org> In-Reply-To: <20001209171334.J671@puck.firepipe.net>; from will@physics.purdue.edu on Sat, Dec 09, 2000 at 05:13:34PM -0500 References: <20001209150853.A57045@peitho.fxp.org> <20001209171334.J671@puck.firepipe.net>
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On Sat, Dec 09, 2000 at 05:13:34PM -0500, Will Andrews wrote:
> On Sat, Dec 09, 2000 at 03:08:54PM -0500, Chris Faulhaber wrote:
> > Would it be more appropriate for scripts such as periodic(8) to
> > call mktemp(1) using the -t flag. In addition to using TMPDIR,
> > this allows the use of the system's _PATH_TMP instead of
> > hardcoding /tmp.
>
> Maybe that method doesn't use a random enough number to avoid file
> races?
>
If you are talking about mktemp(1), it uses:
tmpdir = getenv("TMPDIR");
if (tmpdir == NULL)
asprintf(&name, "%s%s.XXXXXXXX", _PATH_TMP, prefix);
else
asprintf(&name, "%s/%s.XXXXXXXX", tmpdir, prefix);
which should be adequate. Perhaps we should add a few more X's? :)
--
Chris D. Faulhaber - jedgar@fxp.org - jedgar@FreeBSD.org
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