From: curt <curt>
Date: Tue, 10 Jul 2001 14:13:51 +0000 (+0000)
Subject: Check for valid hostname lookup in sg_socket.cxx.
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=a66d1ad8552e910adb72d442177e2c9f21660857;p=simgear.git

Check for valid hostname lookup in sg_socket.cxx.
---

diff --git a/simgear/io/sg_socket.cxx b/simgear/io/sg_socket.cxx
index 144c64df..905639b9 100644
--- a/simgear/io/sg_socket.cxx
+++ b/simgear/io/sg_socket.cxx
@@ -132,6 +132,10 @@ SGSocket::SocketType SGSocket::make_client_socket () {
 
     // get the hosts official name/info
     hp = gethostbyname( hostname.c_str() );
+    if (hp == NULL) {
+	SG_LOG( SG_IO, SG_ALERT, "Error: hostname lookup failed" );
+	return INVALID_SOCKET;
+    }
 
     // Connect this socket to the host and the port specified on the
     // command line