From: Andy Wingo <wingo@pobox.com>
To: Julian Graham <joolean@gmail.com>
Cc: Guile Users <guile-user@gnu.org>
Subject: Re: Accessing multiple values from C
Date: Mon, 09 Jan 2012 19:54:35 +0100 [thread overview]
Message-ID: <87r4z86710.fsf@pobox.com> (raw)
In-Reply-To: <CANdC_RDgPAB_=Cq88-ecGJz4W-YJTUUJFhpXJ6Zs7p2nQzrcYQ@mail.gmail.com> (Julian Graham's message of "Tue, 1 Nov 2011 11:34:08 -0400")
Hi,
On Tue 01 Nov 2011 16:34, Julian Graham <joolean@gmail.com> writes:
> I was playing around with some C code that uses the new R6RS
> bytevector ports, and I noticed that there doesn't seem to be an easy
> way (a la `let-values' or `receive') to access multiple return values
> from C. I've resorted to doing:
>
> scm_struct_ref (foo, SCM_INUM0);
>
> ...which is almost certainly not future-proof. All I want to do is
> access these values as a pair or list. Is there a Right Way to do
> that?
Not yet. You interested in adding scm_c_value_ref (SCM, size_t) to the
API, and documentation to api-control.texi? If you do it soon, it
will make it into 2.0.4.
Andy
--
http://wingolog.org/
next prev parent reply other threads:[~2012-01-09 18:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-01 15:34 Accessing multiple values from C Julian Graham
2011-11-01 22:57 ` Ludovic Courtès
2012-01-09 18:54 ` Andy Wingo [this message]
2012-01-09 19:00 ` Julian Graham
2012-01-12 4:50 ` Julian Graham
2012-01-15 21:47 ` Ludovic Courtès
2012-01-16 9:05 ` Andy Wingo
2012-01-18 3:15 ` Mark H Weaver
2012-01-18 16:20 ` Andy Wingo
2012-01-18 20:19 ` Ludovic Courtès
2012-01-18 21:01 ` Mark H Weaver
2012-01-18 21:44 ` Ludovic Courtès
2012-01-18 21:47 ` Mark H Weaver
2012-01-18 23:06 ` Mark H Weaver
2012-01-18 21:01 ` Julian Graham
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