OpenEuphoria

RE: Wrapping C -- errno's?

• Posted by Andy Serpa <ac at onehorseshy.com> Oct 14, 2002
• 344 views

Matthew Lewis wrote:
> 
> > -----Original Message-----
> > From: Andy Serpa [mailto:ac at onehorseshy.com]
> 
> > 
> > Matthew Lewis wrote:
> 
> > As far as callbacks, I solved it using the method described a few 
> > messages ago (Re:Callback problem), but you might want to 
> > take a look at 
> > your func_asm in fptr.e -- seems to call the function ok but 
> > not always 
> > exit properly, but I'm not qualified to comment.  (If I call 
> > those same 
> > functions that were crashing myself via call_cdecl_func they don't 
> > crash, by the way, just when they are called from the .dll.)
> 
> Do you know what compiler compiled the dll?  As I recall, I only really
> tested using MSVC6.  I wonder if the compiler is using some sort of 
> fastcall
> convention (passing arguments via register).
>  

Visual C++ 6.0  (big thanks to Evan Marshall for compiling it!)

I can send you the .dll and show you the calls that aren't working if 
you like.  Or just wait a few days until I release the wrapper and you 
can just change the callbacks to your method and play around with it...

> > I am still using your library for the rest of the calls as 
> > they are all 
> > object methods (& cdecl) and there is no other way to call 
> > them than by 
> > reference, so big thanks to you for that...
> 
> Glad someone else has a use for it. :)
> 

It makes the otherwise impossible possible, so it is a great help for 
using all those existing C libraries out there...