2007-08-29  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/check_pf.c (IFA_F_OPTIMISTIC): Define to
	zero if not defined.
	(make_request): Recognize optimistic addresses and treat them like
	deprecated addresses.
	Reported by Neil Horman <nhorman@redhat.com>.

--- libc/sysdeps/unix/sysv/linux/check_pf.c	16 Jun 2007 16:54:40 -0000	1.11
+++ libc/sysdeps/unix/sysv/linux/check_pf.c	29 Aug 2007 16:49:45 -0000	1.12
@@ -41,6 +41,9 @@
 #ifndef IFA_F_HOMEADDRESS
 # define IFA_F_HOMEADDRESS 0
 #endif
+#ifndef IFA_F_OPTIMISTIC
+# define IFA_F_OPTIMISTIC 4
+#endif
 
 
 static int
@@ -150,7 +153,8 @@ make_request (int fd, pid_t pid, bool *s
 
 		  if (ifam->ifa_flags & (IFA_F_DEPRECATED
 					 | IFA_F_TEMPORARY
-					 | IFA_F_HOMEADDRESS))
+					 | IFA_F_HOMEADDRESS
+					 | IFA_F_OPTIMISTIC))
 		    {
 		      struct rtattr *rta = IFA_RTA (ifam);
 		      size_t len = (nlmh->nlmsg_len
@@ -174,7 +178,9 @@ make_request (int fd, pid_t pid, bool *s
 			}
 
 		      struct in6ailist *newp = alloca (sizeof (*newp));
-		      newp->info.flags = (((ifam->ifa_flags & IFA_F_DEPRECATED)
+		      newp->info.flags = (((ifam->ifa_flags
+					    & (IFA_F_DEPRECATED
+					       | IFA_F_OPTIMISTIC))
 					   ? in6ai_deprecated : 0)
 					  | ((ifam->ifa_flags
 					      & IFA_F_TEMPORARY)