From: "Eli Zaretskii" <eliz@elta.co.il>
Subject: Re: UUIDGEN in lisp
Date: Mon, 16 Feb 2004 12:04:54 +0200 [thread overview]
Message-ID: <6654-Mon16Feb2004120454+0200-eliz@elta.co.il> (raw)
In-Reply-To: <m3u11sdq8f.fsf@defun.localdomain> (message from Jesper Harder on Sun, 15 Feb 2004 21:47:44 +0100)
> Newsgroups: gnu.emacs.help
> From: Jesper Harder <harder@myrealbox.com>
> Date: Sun, 15 Feb 2004 21:47:44 +0100
>
> (defun uuid-random ()
> "Return a list of 16 random bytes."
> (if (file-readable-p "/dev/urandom")
> (let ((coding-system-for-read 'binary))
> (mapcar 'identity
> (substring
> (string-as-unibyte
> (shell-command-to-string
> "dd count=16 bs=1 < /dev/urandom"))
> 0 16)))
> (mapcar 'random (make-list 16 255))))
Jesper, can you explain why did you need all these monstrocities with
coding-system-for-read and string-as-unibyte? Is there some real
problem behind this, or simply a bit of paranoia (no offense)? What
am I missing?
next prev parent reply other threads:[~2004-02-16 10:04 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mailman.2374.1076727586.928.help-gnu-emacs@gnu.org>
2004-02-14 4:05 ` UUIDGEN in lisp Jesper Harder
2004-02-14 18:23 ` Brad Collins
[not found] ` <mailman.2398.1076783242.928.help-gnu-emacs@gnu.org>
2004-02-15 0:27 ` Jesper Harder
2004-02-15 4:16 ` Brad Collins
2004-02-15 16:05 ` Brad Collins
[not found] ` <mailman.2412.1076818749.928.help-gnu-emacs@gnu.org>
2004-02-15 20:47 ` Jesper Harder
2004-02-16 10:04 ` Eli Zaretskii [this message]
2004-02-16 13:47 ` Brad Collins
[not found] ` <mailman.2461.1076925909.928.help-gnu-emacs@gnu.org>
2004-02-16 16:30 ` Jesper Harder
2004-02-16 19:48 ` Eli Zaretskii
[not found] ` <mailman.2509.1076960950.928.help-gnu-emacs@gnu.org>
2004-02-16 21:05 ` Jesper Harder
2004-02-17 6:46 ` Eli Zaretskii
[not found] ` <mailman.2546.1077000306.928.help-gnu-emacs@gnu.org>
2004-02-17 18:45 ` Jesper Harder
2004-02-17 20:08 ` Eli Zaretskii
[not found] ` <mailman.2586.1077048551.928.help-gnu-emacs@gnu.org>
2004-02-17 21:21 ` Jesper Harder
2004-02-18 6:34 ` Eli Zaretskii
2004-02-19 16:57 ` Stefan Monnier
[not found] ` <mailman.2471.1076940207.928.help-gnu-emacs@gnu.org>
2004-02-16 17:10 ` Jesper Harder
2004-02-14 18:54 ` Kai Grossjohann
2004-02-15 2:37 ` Felix
2004-02-14 2:57 Brad Collins
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