ternary vs double exclamation

Greg KH greg at kroah.com
Thu Jan 8 01:37:07 EST 2015


On Wed, Jan 07, 2015 at 08:46:52PM -0800, John de la Garza wrote:
> On Sun, Jan 04, 2015 at 04:50:58PM -0800, Greg KH wrote:
> > On Sun, Jan 04, 2015 at 06:43:22PM -0500, John de la Garza wrote:
> > > I assume it is a bad idea to depend on true being 1, right?  I mean, I
> > > should assume that true could be changed to any non 0 value in the future,
> > > right?
> >
> > Why would that matter?  Just always test for "true" and "false" and you
> > will be fine.
> >
> 
> What if you need to store the value in a bitmap that needs
> to be 1 or 0 so they can be shifted/anded in?

Then you don't use a boolean if you are worried about it, come on, why
is this even a discussion?



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