infra: add CYG_ARRAY_SIZE() macro

[David Vrabel]

Andrew Lunn wrote:
> On Wed, May 17, 2006 at 05:13:47PM +0100, David Vrabel wrote:
>> I've had to use something like this quite a bit so I guess it's useful
>> enough to include.  It does the same thing as Linux's ARRAY_SIZE macro.
> 
> I've always called this NELEM.

That would be a more descriptive name.  Have another patch so you can
choose which (if any) to apply.

> Is this defined in any standard anywhere? 

I don't think so.

David Vrabel
-- 
David Vrabel, Design Engineer

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