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SubjectRe: [KJ][RFC][PATCH] BIT macro cleanup
Date
On Saturday 24 February 2007 07:59, Richard Knutsson wrote:
> Vojtech Pavlik wrote:
> > On Fri, Feb 23, 2007 at 11:43:44PM +0100, Richard Knutsson wrote:
> >
> >
> >> Is the reason for the modulo to put a bitmask larger then the variable
> >> into an array?
> >>
> >
> > The complementary LONG() macro will tell you the index of an array of
> > longs where the bit should be set.
> >
> This may be a little OT, but how come it is not done as an function?
> Maybe something like "(set/get)_long_mask(...)".

We have it. Is is called set_bit (or __set_bit) and works wery well for
single bit operations, but sometimes it is nice to be able to write

a = BIT(b) | BIT(c);
--
Dmitry
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