Re: light userdata (Was: Fastest way to transfer data from C to Lua ?)

[Luiz Henrique de Figueiredo <lhf@...>]

> I think nobody should give lightuserdata to a script just like a variable.

I'm not sure what you mean exactly here, but giving userdata, light or
not, to a Lua script is totally harmless because userdata has no instrinsic
operations, except for equality test. The real issue is sending userdata
to the host: C code must ensure the validity of the corresponding pointer.