[Openal-devel] FreeALUT dynamicly loading ogg/vorbis

[Sherief N. Farouk]

> Yeah, I'd imagine there wouldn't be a problem with portability. My main
> problem is what to do with the warnings. If I do the casting in the
> example
> in that page:
> *(void **)(&fptr) = dlsym(handle, "my_function");
> 
> I get:
> warning: dereferencing type-punned pointer will break strict-aliasing
> rules
> 
> which is actually more serious since breaking strict-aliasing rules can
> break
> code, as opposed to just being told "ISO C doesn't like that".
> 
> The only thing I can think of to clear the warnings is to remove the
> ansi/pedantic flags, but I'm not sure if that's acceptable.

[Sherief N. Farouk] 

The least damaging solution I could think of is making your own dlfn() function that houses the void* -> function* cast, and have that be exempt from strict compatibility. At least it isolates the "non-conformant" part, and it's a simple trampoline-like function.

- Sherief