Re: [Mingw-users] funopen equivalent for associating FILE* streams to callbacks?

[Marc V. <vai...@fa...>]

On Mon, Jul 21, 2008 at 10:27:35AM -0700, Yongwei Wu wrote:
> 2008/7/21 Marc Vaillant <vai...@fa...>:
> > Hi,
> >
> > I'm wondering if there is an equivalent to funopen (available on BSD
> > systems) for mingw?  funopen lets you create custom file streams by
> > creating a FILE* that's associated to callback functions.  E.g., this
> > would be very helpful for porting apps that use BSD sockets to winsock.
> 
> MinGW is not a POSIX layer (which Cygwin is), and does not support
> such things in general.  On the other hand, funopen is declared in
> Cygwin's stdio.h, so it should be usable there.

FILE* is ANSI C not POSIX so I'm not sure what you are necessarily tying
it to POSIX compliance?  I realize that funopen is not part of the
any standard C API, I'm just looking for an API that does something
similar. 

> 
> If the Cygwin licence (GPL or pay money) is OK for you, it may be a
> good idea to use Cygwin instead of MinGW.  Otherwise (or in the case
> you do not want a POSIX middle layer), you should port your program to
> use only the standard C API or the Win32 API.

I'm not interested in a POSIX middle layer.

Thanks,
Marc