Horst von Brand wrote:
> > and `&= (1U<<31)' is more obvious. Using a symbolic constant would be even
> > better.
>
> The original would really be '&= (~0U >> 1)' (not all ints are 32 bits...)
In the original example, tp->ato is exactly 32 bits wide regardless of
the width of an int, so `&= ~(1UL << 31)' is correct. I say `1UL' and
not `1U' because the latter may be less then 32 bits wide.
-- Jamie
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