From 8ce11853751d12c81fdd71a67af21e7c176c15e0 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Mon, 12 Jan 2009 17:21:58 +0000
Subject: [PATCH] noip: Don't try to support families other than AF_UNIX and
 AF_INET.

If there's demand, I might try to hack in IPv6 later.  But not now.
---
 noip.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/noip.c b/noip.c
index 38021db..173d43f 100644
--- a/noip.c
+++ b/noip.c
@@ -831,11 +831,16 @@ done:
 
 int socket(int pf, int ty, int proto)
 {
-  if (pf == PF_INET) {
-    pf = PF_UNIX;
-    proto = 0;
+  switch (pf) {
+    case PF_INET:
+      pf = PF_UNIX;
+      proto = 0;
+    case PF_UNIX:
+      return real_socket(pf, ty, proto);
+    default:
+      errno = EAFNOSUPPORT;
+      return -1;
   }
-  return real_socket(pf, ty, proto);
 }
 
 int socketpair(int pf, int ty, int proto, int *sk)
-- 
2.11.0