Re: LUAI_USER_ALIGNMENT_T

[Jan Behrens <jan.behrens.n4272.expires-2008-06@...>]

Edwin Eyan Moragas wrote:
> hi list,
>
> i was looking at the source and i found this in luaconf.h:
>
> #define LUAI_USER_ALIGNMENT_T union { double u; void *s; long l; }
>
>
> i really don't understand the term 'alignment' as of yet.
> tried looking for some kind of explanation of this in the net
> to no avail.
>
> anybody willing to explain this? links for resources would
> also be greatly appreciated.
>
> thank you.


As far as I've understood, it has to do with memory alignment.

There is some information at:
http://en.wikipedia.org/wiki/Data_structure_alignment


Jan Behrens

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