From: nobu.nokada@...
Date: 2002-04-17T21:28:21+09:00
Subject: Re: visual c, ruby, and fastcall hassle

Hi,

At Wed, 17 Apr 2002 19:58:27 +0900,
Lorien Dunn wrote:
> 	today I tried to embed ruby in a computer game I'm working on. It uses 
> Auran's Jet 3d engine (www.auranjet.com), which is closed source, and 
> requires projects using it to be compiled with fastcall enabled. Fastcall is 
> a calling convention that does not permit variable numbers of arguments for 
> the sake of speed. However, by prefixing every function prototype in "ruby.h" 
> and "intern.h" with __cdecl I succeeded in building the app. 

Since __cdecl is default, that Jet 3d engine's header should
have __fastcall?

> 	Then I tried writing a linked in extension in c, and got a type error from 
> the function ptr argument of "rb_define_method": it wanted a VALUE _cdcel (*) 
> (VALUE, VALUE), and was getting a VALUE __fastcall (*) (VALUE,VALUE), so I 
> declared my function as _cdecl and recieved the same error!

You can write wrapper functions.

-- 
Nobu Nakada