[cffi-devel] defenum proposal

[Justin Heyes-Jones]

Hi

I should have made it clearer that my code there was just an example of the
kind of thing SDL does. The actual one I was looking at was the event mask
one in your grep results.

Sorry for the confusion.

Justin

On 1/25/06, Hoehle, Joerg-Cyril <Joerg-Cyril.Hoehle at t-systems.com> wrote:
>
> Justin Heyes-Jones writes:
>
> >The problem I am looking at is that SDL uses un-named enums quite a lot.
> >In addition it does arithmetic on them to create other enums...
> >#define MAKE_MASK (n) (1<<n)
>
> I can't find this.
>
> I grep'ed for "enum", "MAKE_MASK" (0 hits) and "<<" (5 hits) in
> /usr/include/SDL/*.h and found:
>
> o plenty of typedef enum { ... } SDL_audiostatus;
> which does not sound anonymous at all, even though its not
> enum <name> { ... };
>
> o a single #define SDL_EVENTMASK(X) (1<<(X))
> used by enum SDL_EventMasks, referring to enum SDL_Events
>
> o and a single really anonymous one:
> enum { SDL_PRESSED = 0x01, SDL_RELEASED = 0x00 };
> where SDL_PRESSED is reused via
> #define SDL_BUTTON(X) (SDL_PRESSED<<(X-1))
>
> I'd say SDL_PRESSED is worth a defconstant.
>
> Did I look at the wrong place or not understand anything at all?
>
> [on a Ubuntu Breezy Debian i686 machine, with libsdl-1.2]
> BTW, does anybody know which package holds the gl* Manpages?
> I have the SDL_*.3.gz ones now, from package libsdl1.2-dev.
> Sadly, packages.debian.org (really valuable site) is down.
>
> Regards,
>         Jörg Höhle.
>
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