From 578db45fbf65d4e90bba371fe8d55f0455193a27 Mon Sep 17 00:00:00 2001
From: Keith Winstein <keithw@mit.edu>
Date: Sat, 4 Jan 2014 03:08:57 -0500
Subject: [PATCH] Fix mosh-server segfault on startup when run without
 arguments

---
 src/network/network.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/network/network.cc b/src/network/network.cc
index c269866..d9d4678 100644
--- a/src/network/network.cc
+++ b/src/network/network.cc
@@ -205,7 +205,8 @@ public:
   AddrInfo( const char *node, const char *service,
 	    const struct addrinfo *hints ) :
     res( NULL ) {
-    int errcode = getaddrinfo( node, service, hints, &res );
+    int errcode = getaddrinfo( node ? node : "0",
+			       service ? service : "0", hints, &res );
     if ( errcode != 0 ) {
       throw NetworkException( std::string( "Bad IP address (" ) + node + "): " + gai_strerror( errcode ), 0 );
     }