Add an extra guard to NetNameResolver class>>#addressForName:timeout:…

… invocations in ZdcSimpleSocketStream class>>#openConnectionToHostNamed:port:
svenvc · Jul 16, 2021 · b12ba07 · b12ba07
1 parent cd4c4ee
commit b12ba07
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/.../Zodiac-Core.package/ZdcSimpleSocketStream.class/class/openConnectionToHostNamed.port..st b/.../Zodiac-Core.package/ZdcSimpleSocketStream.class/class/openConnectionToHostNamed.port..st
@@ -1,9 +1,11 @@
 instance creation
 openConnectionToHostNamed: hostName port: portNumber
-	| platformSocket socketStream hostIP |
+	| platformSocket socketStream hostIPAddress |
 	platformSocket := Socket newTCP.
 	socketStream := self on: platformSocket.
-	hostIP := NetNameResolver addressForName: hostName timeout: socketStream timeout.
+	hostIPAddress := NetNameResolver addressForName: hostName timeout: socketStream timeout.
+	(hostIPAddress isNil or: [ hostIPAddress = SocketAddress zero ])
+		ifTrue: [ ^ NameLookupFailure signalFor: hostName ].
 	^ socketStream 
-		connectTo: hostIP port: portNumber;
+		connectTo: hostIPAddress port: portNumber;
 		yourself