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Re: CVS commit: src/sys/kern
On Tue, Jan 31, 2012 at 07:32:52PM +0000, Alexander Nasonov wrote:
> What about something like this (untested)?
> * Return a size of a structure s with flexible-array member m
> * with n elements.
> #define sizeof_fam(s, m, n) (sizeof(s) + sizeof(((s *)NULL)->m) * (n))
That's still not necessarily optimal, depending on the padding rules of
the platform. You want to do offsetof(s, m) + n * sizeof((s*)NULL->m).
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