On Fri, 11 Apr 2014 14:08:16 +0200, Richard Cochran wrote:
> > +struct address {
> > + socklen_t len;
> > + union {
> > + struct sockaddr_storage ss;
> > + struct sockaddr_in sin;
> > + struct sockaddr_in6 sin6;
> > + struct sockaddr_un sun;
> > + struct sockaddr sa;
>
> Can't we use struct sockaddr_storage here?
It's the first member of the union. I originally had only struct
sockaddr_storage here but it led to horrible typecasting in the code
(which is quite error prone when you accidentally put an extra & before
the variable). In the end, I added the union here, which led to a
shorter and cleaner code, and the compiler being able to do type
checking as a bonus.
Jiri
--
Jiri Benc
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