On 21 January 2007 14:38, Christopher Layne wrote:
> I notice in some places, there are double-negates, like:
>
> me->read_ready |= ret || !!(events & (FD_READ | FD_ACCEPT | FD_CLOSE));
>
> What's the rationale for these? To enforce either a 0 or 1, to be directly
> in line with boolean, rather than a zero or non-zero result?
It's a standard C idiom for that, yeh, it normalizes zero/non-zero into 0/1.
cheers,
DaveK
--
Can't think of a witty .sigline today....
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/
