cygwin source question
Sun Jan 21 16:29:00 GMT 2007
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.
Can't think of a witty .sigline today....
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