Re: [PATCH kvm-unit-tests 2/4] Introduce a C++ wrapper for the kvm APIs

Avi Kivity
2010-11-24T17:25:15Z

On 11/24/2010 07:17 PM, Jes Sorensen wrote:
> >
> > Anyone wishing to implement this interface is forced to implement read
> > and write methods (callbacks) with exactly the right signature. The
> > compiler will complain if they don't. So if File is a good interface,
> > we can make the compiler force people to use it correctly.
> >
> > We can emulate this in C with ->ops-> things, but that's just
> > boilerplate and more places for people to get things wrong, or lazy and
> > take shortcuts.
>
> In the mean time we spend our time debugging the runtime because the
> virtual functions don't behave as expected. In C we know what is going
> on, in C++ it is pray and hope.

That is pure bullshit. All major browsers are written in C++, all major
office suites, one leading free desktop, google, countless other
projects. There is a lot more C++ code in the world than C code. If
virtual functions didn't behave as expected, surely we'd hear by now.

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error compiling committee.c: too many arguments to function