On Dec 2 17:54, Jason Curl wrote:
> Jason Curl <jcurlnews <at> arcor.de> writes:
>
> > Corinna Vinschen <corinna-cygwin <at> cygwin.com> writes:
> > > So, for the above interface we get
> > >
> > > 371D57D9-0FF3-402C-AB69-E88FF9D85BC3:f36e.1
> > >
> > > as the unique alias name for the given IPv4 address.
> > >
> >
> > The solution that I do prefer, is one similar to QNX. QNX behaves
> > differently
> > to Linux, but could be the simplest implementation for Cygwin. If an
> > interface
> > has aliases, it simply has multiple records in getifaddrs(). The ioctl()
> > interface returns the main/preferred address. Cygwin could return the first
> > AF_INET record in this case.
> >
> > That is, you might very well see:
> > * en0, AF_INET, 192.168.0.1
> > * en0, AF_INET, 169.254.123.45
> > * en0, AF_INET6, <address>
> > * lo, AF_INET, 127.0.0.1
>
> On the way home, I realised the current behaviour deviates from Linux also.
>
> Linux getifaddrs():
> * eth0 -> AF_INET
> * eth0 -> AF_INET6
>
> Cygwin getifaddrs():
> * {xxx} -> AF_INET6
> * {xxx}:1 -> AF_INET
That's already fixed in CVS:
Cygwin getifaddrs():
* {xxx} -> AF_INET6
* {xxx} -> AF_INET (for the first address)
* {xxx}:x -> AF_INET (for each following address)
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader cygwin AT cygwin DOT com
Red Hat
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