Re: Hi and pushing existing UserData from pointer

[Chris Camacho <c.camacho@...>]

> You can use lua_pushvalue to duplicate the reference to the userdata
> on the stack. Then you can save one in the weak table (with the light
> userdata key), and do whatever you want with the other one.
>   
 char buf[40];
 cpBody *bb = (cpBody *)lua_newuserdata(L, sizeof(cpBody));
 lua_pushvalue(L,-1);
 lua_pushstring(L,"__cpBody_ptrs");
 sprintf(buf,"%ld\0",(long)bb);
 lua_setfield(L,-2,buf);

 luaL_getmetatable(L, "cpBody");
 lua_setmetatable(L, -2);
 return bb;

what on earth does attempt to index a userdata value mean?

Thanks
Chris


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