Re: bit twiddling

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Wed May 24 2000 - 10:21:23 EST

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> #define BFINS(lhs, rhs, offset, bitcount) \
> (((lhs) & ~(((1 << (bitcount)) - 1)) << (offset)) | \
> (((rhs) & ((1 << (bitcount)) - 1)) << (offset)))
>
> They were fun to write, but surely this wheel has been invented?

Why not use constants and cpu_to_le16 and friends ?

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