[Openal-devel] FreeALUT dynamicly loading ogg/vorbis
Chris Robinson
chris.kcat at gmail.com
Tue Jun 10 19:12:24 PDT 2008
I've got FreeALUT working with Vorbis files properly, now. They can be loaded
into a buffer, or streamed (in fact, anything that can be loaded into a
buffer can be streamed). There's an ugly amount of code duplication, though,
that I'm going to have to do something about (the existing APIs don't work
well with streaming, and making them work with streaming doesn't work well
with the existing code that uses it).
Right now, however, I'm tyring to get libogg/libvorbis to dynamicly load so
they're not a load-time dependancy, and there's a problem I'm having with
loading the functions. With copmpile warnings on, it adds -ansi -pedantic to
the compiler command line. Subsequently using dlsym produces a bunch of
these:
warning: ISO C forbids assignment between function pointer and ‘void *’
But, even with proper casting (even if it was feasible to cast every function
load individually), causes a bunch of these:
warning: ISO C forbids conversion of object pointer to function pointer type
So as far as I can see, there's no way to load functions via dlsym since the
it returns void*. Granted they are only warnings and compilation is
successful, but they're unsightly and it kinda defeats the purpose of using
the ansi/pedantic flags.
What would be the best way to handle this?
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