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On Fri, Dec 16, 2011 at 4:42 PM, Dirk Laurie <> wrote:
> The manual says of `luanewuserdata`:
> …allocates a new block of memory with the given size, pushes onto the
> stack a new full userdata with the block address, and returns this
> address.
> It does not say the block is initialized to zero, but that invariably
> has so far been true on my system.
> Implementation detail?

>From a quick browse of the Lua source [1], it would seem that the
initial contents is whatever your memory allocation routine puts into
newly allocated blocks.

[1]: The call chain is: