Add return code for beginPacket

sebromero · sebromero · commit 82291da1a43e · 2020-07-12T11:10:54.000+02:00
diff --git a/libraries/WiFi/src/WiFiUdp.cpp b/libraries/WiFi/src/WiFiUdp.cpp
@@ -46,7 +46,8 @@ void arduino::WiFiUDP::stop() {
 int arduino::WiFiUDP::beginPacket(IPAddress ip, uint16_t port) {
     nsapi_addr_t convertedIP = {NSAPI_IPv4, {ip[0], ip[1], ip[2], ip[3]}};   
     _host = SocketAddress(convertedIP, port);
-    return 1;
+    //If first octet of assigned IP is 0 and port is 0 the initialization failed
+    return (_host.get_addr().bytes[0] == 0 && _host.get_port() == 0) ? 0 : 1;
 }
 
 int arduino::WiFiUDP::beginPacket(const char *host, uint16_t port) {     

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,8 @@ void arduino::WiFiUDP::stop() {`
`46`	`46`	`int arduino::WiFiUDP::beginPacket(IPAddress ip, uint16_t port) {`
`47`	`47`	`nsapi_addr_t convertedIP = {NSAPI_IPv4, {ip[0], ip[1], ip[2], ip[3]}};`
`48`	`48`	`_host = SocketAddress(convertedIP, port);`
`49`		`- return 1;`
	`49`	`+ //If first octet of assigned IP is 0 and port is 0 the initialization failed`
	`50`	`+ return (_host.get_addr().bytes[0] == 0 && _host.get_port() == 0) ? 0 : 1;`
`50`	`51`	`}`
`51`	`52`
`52`	`53`	`int arduino::WiFiUDP::beginPacket(const char *host, uint16_t port) {`