[PATCH] in6_addr: add 64-bit union accessors

[Shawn Landden]

On Mon, Mar 30, 2015 at 02:34:34AM -0400, Rich Felker wrote:
> On Sun, Mar 29, 2015 at 04:15:22PM -0700, Shawn Landden wrote:
> > 64-bit architectures are common so this makes sense to have.
> > 64-bit arches were not so common 1997-02-16.
> > 
> > I'm not going to change the ChangeLog because that practice
> > breaks git merges.
> > 
> > Bugzilla: #18117
> > Signed-off-by: Shawn Landden <shawn@churchofgit.com>
> > ---
> >  inet/netinet/in.h | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/inet/netinet/in.h b/inet/netinet/in.h
> > index f541c58..b64b559 100644
> > --- a/inet/netinet/in.h
> > +++ b/inet/netinet/in.h
> > @@ -214,12 +214,14 @@ struct in6_addr
> >  #ifdef __USE_MISC
> >  	uint16_t __u6_addr16[8];
> >  	uint32_t __u6_addr32[4];
> > +	uint64_t __u6_addr64[2];
> >  #endif
> 
> This breaks ABI by changing the alignment requirement from 4 to 8. I
> think that's a show-stopper for this proposal.
agreeed
> 
> Rich