On Mon, May 24, 2021 at 10:27 PM 慕冬亮 <mudongliangabcd@xxxxxxxxx> wrote:
>
> On Mon, May 24, 2021 at 10:22 PM Fox Chen <foxhlchen@xxxxxxxxx> wrote:
> >
> > On Mon, May 24, 2021 at 6:51 PM 慕冬亮 <mudongliangabcd@xxxxxxxxx> wrote:
> > >
> > > Hi all,
> > >
> > > how do I choose format specifier for boolean variables in Linux
> > > kernel? For example,
> > >
> > > bool bup;
> > > pr_alert("%XXX", bup);
> > >
> > > What should "XXX" be in the Linux kernel?
> > >
> > > --
> > > My best regards to you.
> > >
> > > No System Is Safe!
> > > Dongliang Mu
> > >
> > > _______________________________________________
> > > Kernelnewbies mailing list
> > > Kernelnewbies@xxxxxxxxxxxxxxxxx
> > > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
> >
> > Check commit 6e21828743 ("Generic boolean")
> > IIUC bool is defined as Bool_. You can treat it as an integer with the
> > value 0 or 1.
>
> You mean I can directly print boolean variable with "%d"?
>
yes, or if you want it to be more readable, you can do
pr_alert("%s", bup ? "true":"false");
> >
> >
> > thanks,
> > fox
fox
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