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Philip Bock wrote:
>   if ((lua_gettop(client_state) >= 5) && lua_isuserdata(client_state, 1))
>  {
>   Viewport *this_viewport = (Viewport *) lua_touserdata(client_state, 1);
> The program gives a segmentation fault at the first attempt to access
> this_viewport after it is initialized. Anyone have any ideas? I'm new to
> Lua, so it's probably just a stupid mistake. Thanks, Philip Bock.

Hmm... looks sane.  Are you sure, your lua_pushusertag is correct?  Or that
you get the right userdata object (you don't check the tag)?

Ciao, ET.