From: Eric Hodel <drbrain@...7.net>
Date: 2005-03-24T04:48:20+09:00
Subject: Re: Stack, Struct and DL

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On 23 Mar 2005, at 08:49, Luc Heinrich wrote:

> Greetings,
>
> Suppose that I have the following C code:
>
> typedef struct FOO
> {
>     int  bar;
>     int  baz;
> };
>
> FOO make_a_foo( void )
> {
>     FOO foo;
>     foo.bar = 42;
>     foo.baz = 1;
>
>     return foo;
> }
>
> I'm struggling to find the correct way (if it's even possible) to get 
> my
> hands on the struct returned by 'make_a_foo', using ruby/dl.
>
> I smell some troubles.

I had just this problem a few days ago [ruby-talk:134052].

Takaaki Tateishi had the solution in [ruby-talk:134057].

module Stuff
   FOO = struct [
     "int bar",
     "int baz"
   ]

   extern "FOO make_a_foo(void)"

   def my_make_a_foo
     return FOO.new(make_a_foo)
   end

end

I think.

-- 
Eric Hodel - drbrain@segment7.net - http://segment7.net
FEC2 57F1 D465 EB15 5D6E  7C11 332A 551C 796C 9F04

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