From: Andy Wingo <wingo@pobox.com>
To: Martin Ward <martin@gkc.org.uk>
Cc: bug-guile@gnu.org, Mike Gran <spk121@yahoo.com>
Subject: Re: Guile 2.0.0 cannot open /dev/urandom
Date: Thu, 03 Mar 2011 12:57:54 +0100 [thread overview]
Message-ID: <m3bp1sifgd.fsf@unquote.localdomain> (raw)
In-Reply-To: <m362s5rt6i.fsf@unquote.localdomain> (Andy Wingo's message of "Sun, 27 Feb 2011 23:47:33 +0100")
Hi Martin,
On Sun 27 Feb 2011 23:47, Andy Wingo <wingo@pobox.com> writes:
> On Thu 17 Feb 2011 23:58, Martin Ward <martin@gkc.org.uk> writes:
>
>> scheme@(guile-user)> (open-input-file "/dev/urandom")
>> ERROR: In procedure open-file:
>> ERROR: In procedure fport_end_input: Invalid argument
>
> It seems that Guile is scanning the first few lines of the file for a
> "coding" declaration. This is because it is being opened in textual
> mode; if you open with (open-file "/dev/urandom" "rb") you will probably
> get what you want.
I have fixed the (open-input-file "/dev/urandom") case, by having the
coding: scan use the read buffer if possible, to avoid a seek. That
should catch all cases of interest.
Regards,
Andy
--
http://wingolog.org/
prev parent reply other threads:[~2011-03-03 11:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-17 22:58 Guile 2.0.0 cannot open /dev/urandom Martin Ward
2011-02-18 4:44 ` Mark Harig
2011-02-27 22:47 ` Andy Wingo
2011-03-03 11:57 ` Andy Wingo [this message]
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