Re: [PATCH] Avoid truncating to 'long' in ALIGN() macro

From: Roland Dreier
Date: Sun Nov 26 2006 - 15:26:30 EST


> +#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
> +#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))

Fine by me, but it loses the extra (typeof(x)) cast that Al wanted to
make sure that the result of ALIGN() is not wider than x.

- R.
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