Re: getifaddrs(3) returns 2 AF_LINK instances for the same interface

[David Young <dyoung%pobox.com@localhost>]

On Fri, Apr 17, 2009 at 11:54:13PM +0200, Joerg Sonnenberger wrote:
> On Fri, Apr 17, 2009 at 04:20:34PM -0500, David Young wrote:
> > > I have checked and the last change of note was over 7 years ago.
> > > So are you suggesting that getifaddrs(3) should ignore the _IFINFO  
> > > message or somehow merge it into the _NEWADDR one - if it's present?
> > 
> > Based on my recollections, above, my guess is that getifaddrs(3) should
> > merge the messages.
> 
> Doesn't that break the interface for old libc with new kernel?

Do you mean, does old getifaddrs(3) do the right thing with the messages
in the new kernel interface?  The messages are the same in form,
but different in number, so I reckon it depends on an application's
expectations more than anything else.

Dave

-- 
David Young             OJC Technologies
dyoung%ojctech.com@localhost      Urbana, IL * (217) 278-3933