From: Robert Feldt <feldt@...>
Date: 2003-09-11T00:28:25+09:00
Subject: Re: Calling fun taking struct and not pointer to struct?

Nathaniel Talbott <nathaniel@NOSPAMtalbott.ws> skrev den Thu, 11 Sep 2003 00:06:18 +0900:

> Hmmm... I may end up doing that for now, but it's just so ugly. It sure
> would be nice to have direct support for this in the DL library like so:
>
> module M
> extend DL::Importable
>
> S1 = struct [
> 'int a',
> 'int b'
> ]
>
> typealias('S1', S1)
>
> S2 = struct [
> 'S1 c',
> 'S1 d'
> ]
> end
>
> s = M::S2::malloc
> s.c.a = 42
>
> Or something like that. I've looked at the internals of the DL library some,
> and it seems pretty clean, so I may see if I can create a patch to do the
> above.
>
I agree it seems pretty straightforward and useful. It still depends
on the answer to the 3 question above. But I guess it's unlikely a
C compiler would do it in any other way.

This "cheat" at least works on gcc 3.2 20020908 on cygwin and
3.2.3 20030422 on Gentoo linux.

Regards,

Robert