Set IPV6_V6ONLY socket option when -6 switch is used.

this patch addresses the problem we've been talking about in this thread:

http://www.mail-archive.com/wget%40sunsite.dk/msg07505.html


2005-04-20  Mauro Tortonesi  <[email protected]>

        * connect.s: Set IPV6_V6ONLY socket option when -6 switch is used.

Index: src/connect.c
===================================================================
RCS file: /pack/anoncvs/wget/src/connect.c,v
retrieving revision 1.68
diff -u -r1.68 connect.c
--- src/connect.c	2005/04/01 18:22:38	1.68
+++ src/connect.c	2005/04/21 01:20:47
@@ -283,6 +283,18 @@
   if (sock < 0)
     goto err;
 
+#if defined(ENABLE_IPV6) && defined(IPV6_V6ONLY)
+  if (opt.ipv6_only) {
+    int on = 1;
+    /* In case of error, we will go on anyway... */
+    int err = setsockopt (sock, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof (on));
+#ifdef ENABLE_DEBUG
+    if (err < 0) 
+      DEBUGP (("Failed setting IPV6_V6ONLY: %s", strerror (errno)));
+#endif
+  }
+#endif
+
   /* For very small rate limits, set the buffer size (and hence,
      hopefully, the kernel's TCP window size) to the per-second limit.
      That way we should never have to sleep for more than 1s between


-- 
Aequam memento rebus in arduis servare mentem...

Mauro Tortonesi

University of Ferrara - Dept. of Eng.    http://www.ing.unife.it
Institute of Human & Machine Cognition   http://www.ihmc.us
Deep Space 6 - IPv6 for Linux            http://www.deepspace6.net
Ferrara Linux User Group                 http://www.ferrara.linux.it