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Re: aligned_alloc c11 function

>>> but a purist might want to use compile-time log2 macros to compute
>> How does one do that?  [...]
> Using ?: for a binary search comes to mind.

You have to put a hard maximum on the result for that to work, no?
That is, you have to assume that the thing you want to take lg of
(sizeof(void *), in ths case) is not greater than some maximum value, a
maximum which cannot be raised without hacking on the source.

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