Calling SDL2.event() in SDL.jl segfaults on CreateRenderer

[wdevore]

My setup is a Linux box running an Ubuntu flavor call Pop_OS!

I was attempting to run the runtests.jl file, however, it would segfault half way through. I traced the code to:

e = SDL2.event()

inside of SDL.jl. When I comment-out the those lines the CreateRenderer call succeeds and completes the test successfully. I haven't debugged it yet to see what the cause is, so this is just an FYI.

[andswitch]

I'm also having problems related to events. When I try to use SDL_WaitEvent, I get a segfault.

Is it possible that the SDL version we're using is not completely binary compatible with the version that is the source of the bindings? @jonathanBieler Could you perhaps add the script that is used to generate the bindings or document the steps you followed to create the bindings from the header files?

[jonathanBieler]

I should still have the script on my laptop, I'll check.

That said the signature seems to be correct :

https://github.com/jonathanBieler/SimpleDirectMediaLayer.jl/blob/88dbc01ac6493d216bb40766052e111cf3d89433/src/lib/SDL.jl#L3361

https://wiki.libsdl.org/SDL_WaitEvent

[andswitch]

Thanks! Even if the signature is correct, who knows there might be an incompatibility in the event struct itself. Fields added/removed/updated.. If the size of the struct changed that might have something to do with it.

[jonathanBieler]

Here's my script, I think only lines 22-32 are relevant :

https://gist.github.com/jonathanBieler/a68adf591027b32c91c10c3de88a0673

That said I think I wrapped this one by hand (I left a comment) :

https://github.com/jonathanBieler/SimpleDirectMediaLayer.jl/blob/88dbc01ac6493d216bb40766052e111cf3d89433/src/lib/SDL_h.jl#L1845

https://github.com/spurious/SDL-mirror/blob/6b6170caf69b4189c9a9d14fca96e97f09bbcc41/include/SDL_events.h#L558

I'm not 100% sure that's correct though. Maybe we need a Ref instead of a Ptr in our ccall too, but I never really understood the difference.