From ef6722750b4518fcb29bf983755b5f02451ef224 Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Tue, 31 Jul 2012 22:34:58 -0700
Subject: a bunch of files added by the ipv6 patch

---
 ucspi-tcp-0.88/socket_udp6.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 ucspi-tcp-0.88/socket_udp6.c

(limited to 'ucspi-tcp-0.88/socket_udp6.c')

diff --git a/ucspi-tcp-0.88/socket_udp6.c b/ucspi-tcp-0.88/socket_udp6.c
new file mode 100644
index 0000000..3769b1d
--- /dev/null
+++ b/ucspi-tcp-0.88/socket_udp6.c
@@ -0,0 +1,38 @@
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <errno.h>
+#include "haveip6.h"
+#include "socket.h"
+
+#ifndef EAFNOSUPPORT
+#define EAFNOSUPPORT EINVAL
+#endif
+
+int socket_udp6(void)
+{
+#ifdef LIBC_HAS_IP6
+  int s;
+
+  if (noipv6) goto compat;
+  s = socket(PF_INET6,SOCK_DGRAM,0);
+  if (s == -1) {
+    if (errno == EINVAL || errno == EAFNOSUPPORT) {
+compat:
+      s=socket(AF_INET,SOCK_DGRAM,0);
+      noipv6=1;
+      if (s==-1) return -1;
+    } else
+    return -1;
+  }
+#ifdef IPV6_V6ONLY
+  {
+    int zero=0;
+    setsockopt(s,IPPROTO_IPV6,IPV6_V6ONLY,(void*)&zero,sizeof(zero));
+  }
+#endif
+  return s;
+#else
+  return socket_udp();
+#endif
+}
-- 
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