Re: double exclamation (!!) suckage in the kernel

On 5/26/07, Russell King <rmk+lkml@xxxxxxxxxxxxxxxx> wrote:
On Sat, May 26, 2007 at 01:53:59AM +0530, Satyam Sharma wrote:
> Are all these occurrences merely the debris of
> s/something/!notsomething/g kind of patches or is there some
> dark, unknown C / gcc wizardry I have absolutely no clue of?

Try building and running this:

#include <stdio.h>
int main()
{
int i;
for (i = 0; i < 10; i++)
printf("%d: %d\n", i, !!i);
return 0;
}

and you should see it's effect.

Ah, yes, of course I see now!

Thanks!
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