File 0005-Remove-obsolete-function-in6_fillscopeid.p... of Package rpcbind

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File 0005-Remove-obsolete-function-in6_fillscopeid.patch of Package rpcbind (Revision a47aafeea8094428415e05f40d4f6a55)

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From f474754a2dee2f0b53435b79800611eebcdff2ac Mon Sep 17 00:00:00 2001
From: Olaf Kirch <okir@suse.de>
Date: Tue, 20 Aug 2013 11:43:51 +0200
Subject: [PATCH 05/24] Remove obsolete function in6_fillscopeid

This seems to be an old remnant from the very early days of IPv6
when the kernel would include the ifindex in the link-local
addresses returned by getifaddrs(). This is no longer the case on
Linux, so the code is a no-op.

A no-op that makes gcc throw warnings about illegal type-punning.

Signed-off-by: Olaf Kirch <okir@suse.de>
---
 src/util.c | 24 ------------------------
 1 file changed, 24 deletions(-)

diff --git a/src/util.c b/src/util.c
index 9a5fb69..a6c835b 100644
--- a/src/util.c
+++ b/src/util.c
@@ -71,9 +71,6 @@ static struct sockaddr_in6 *local_in6;
 #endif
 
 static int bitmaskcmp __P((void *, void *, void *, int));
-#ifdef INET6
-static void in6_fillscopeid __P((struct sockaddr_in6 *));
-#endif
 
 /*
  * For all bits set in "mask", compare the corresponding bits in
@@ -93,26 +90,6 @@ bitmaskcmp(void *dst, void *src, void *mask, int bytelen)
 }
 
 /*
- * Similar to code in ifconfig.c. Fill in the scope ID for link-local
- * addresses returned by getifaddrs().
- */
-#ifdef INET6
-static void
-in6_fillscopeid(struct sockaddr_in6 *sin6)
-{
-	u_int16_t ifindex;
-
-        if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)) {
-		ifindex = ntohs(*(u_int16_t *)&sin6->sin6_addr.s6_addr[2]);
-		if (sin6->sin6_scope_id == 0 && ifindex != 0) {
-			sin6->sin6_scope_id = ifindex;
-			*(u_int16_t *)&sin6->sin6_addr.s6_addr[2] = 0;
-		}
-	}
-}
-#endif
-
-/*
  * Find a server address that can be used by `caller' to contact
  * the local service specified by `serv_uaddr'. If `clnt_uaddr' is
  * non-NULL, it is used instead of `caller' as a hint suggesting
@@ -209,7 +186,6 @@ addrmerge(struct netbuf *caller, char *serv_uaddr, char *clnt_uaddr,
 			 * a link-local address then use the scope id to see
 			 * which one.
 			 */
-			in6_fillscopeid(SA2SIN6(ifsa));
 			if (IN6_IS_ADDR_LINKLOCAL(&SA2SIN6ADDR(ifsa)) &&
 			    IN6_IS_ADDR_LINKLOCAL(&SA2SIN6ADDR(caller_sa)) &&
 			    IN6_IS_ADDR_LINKLOCAL(&SA2SIN6ADDR(hint_sa))) {
-- 
1.7.12.4

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