remove the unused in6_ifindex2scopeid()

if at all, it works with site-local addresses whose fate is uncertain
to say the least

From drochner NetBSD

ok deraadt@

2 files changed, 2 insertions, 29 deletions

diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c
index 2f5609ef0ca..21a571257f8 100644
--- a/sys/netinet6/in6.c
+++ b/sys/netinet6/in6.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: in6.c,v 1.60 2004/10/07 12:08:25 henning Exp $	*/
+/*	$OpenBSD: in6.c,v 1.61 2005/09/19 19:36:49 brad Exp $	*/
 /*	$KAME: in6.c,v 1.372 2004/06/14 08:14:21 itojun Exp $	*/
 
 /*
@@ -277,32 +277,6 @@ in6_ifremloop(struct ifaddr *ifa)
 }
 
 int
-in6_ifindex2scopeid(idx)
-	int idx;
-{
-	struct ifnet *ifp;
-	struct ifaddr *ifa;
-	struct sockaddr_in6 *sin6;
-
-	if (idx < 0 || if_indexlim <= idx)
-		return -1;
-	ifp = ifindex2ifnet[idx];
-	if (!ifp)
-		return -1;
-
-	for (ifa = ifp->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next)
-	{
-		if (ifa->ifa_addr->sa_family != AF_INET6)
-			continue;
-		sin6 = (struct sockaddr_in6 *)ifa->ifa_addr;
-		if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))
-			return sin6->sin6_scope_id & 0xffff;
-	}
-
-	return -1;
-}
-
-int
 in6_mask2len(mask, lim0)
 	struct in6_addr *mask;
 	u_char *lim0;
diff --git a/sys/netinet6/in6_var.h b/sys/netinet6/in6_var.h
index 9dfc3bf1a62..f1de565a740 100644
--- a/sys/netinet6/in6_var.h
+++ b/sys/netinet6/in6_var.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: in6_var.h,v 1.24 2004/06/16 02:38:23 itojun Exp $	*/
+/*	$OpenBSD: in6_var.h,v 1.25 2005/09/19 19:36:49 brad Exp $	*/
 /*	$KAME: in6_var.h,v 1.55 2001/02/16 12:49:45 itojun Exp $	*/
 
 /*
@@ -569,7 +569,6 @@ struct	in6_multi *in6_addmulti(struct in6_addr *, struct ifnet *, int *);
 void	in6_delmulti(struct in6_multi *);
 struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *);
 int	in6_leavegroup(struct in6_multi_mship *);
-int	in6_ifindex2scopeid(int);
 int	in6_mask2len(struct in6_addr *, u_char *);
 int	in6_control(struct socket *, u_long, caddr_t, struct ifnet *,
 	struct proc *);