From 6df6f816f8152954dd3499b7c4048099994a28a7 Mon Sep 17 00:00:00 2001
From: Mark Wooding <mdw@distorted.org.uk>
Date: Sat, 26 Dec 2009 12:15:34 +0000
Subject: [PATCH] noip.c: Only fiddle with `errno' from `connect' if we faked
 things.

Otherwise some programs get confused.
---
 noip.c | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/noip.c b/noip.c
index 38021db..acb60ef 100644
--- a/noip.c
+++ b/noip.c
@@ -872,17 +872,22 @@ int connect(int sk, const struct sockaddr *sa, socklen_t len)
   int fixup_p = 0;
   int rc;
 
-  if (sa->sa_family == AF_INET) {
-    PRESERVING_ERRNO({
-      do_implicit_bind(sk, &sa, &len, &sun);
-      fixup_p = 1;
-    });
-  }
-  rc = real_connect(sk, sa, len);
-  if (rc < 0) {
-    switch (errno) {
-      case ENOENT:	errno = ECONNREFUSED;	break;
-    }
+  switch (sa->sa_family) {
+    case AF_INET:
+      PRESERVING_ERRNO({
+	do_implicit_bind(sk, &sa, &len, &sun);
+	fixup_p = 1;
+      });
+      rc = real_connect(sk, sa, len);
+      if (rc < 0) {
+	switch (errno) {
+	  case ENOENT:	errno = ECONNREFUSED;	break;
+	}
+      }
+      break;
+    default:
+      rc = real_connect(sk, sa, len);
+      break;
   }
   return rc;
 }
-- 
2.11.0