WiFiServer: fix error when calling close more than once

igrr · igrr · commit 7fd7ca683464 · 2016-06-08T17:32:45.000+08:00
diff --git a/libraries/ESP8266WiFi/src/WiFiServer.cpp b/libraries/ESP8266WiFi/src/WiFiServer.cpp
@@ -56,6 +56,7 @@ WiFiServer::WiFiServer(uint16_t port)
 }
 
 void WiFiServer::begin() {
+    close();
     err_t err;
     tcp_pcb* pcb = tcp_new();
     if (!pcb)
@@ -118,6 +119,7 @@ void WiFiServer::close() {
       return;
     }
     tcp_close(_pcb);
+    _pcb = nullptr;
 }
 
 void WiFiServer::stop() {

Original file line number	Diff line number	Diff line change
`@@ -56,6 +56,7 @@ WiFiServer::WiFiServer(uint16_t port)`
`56`	`56`	`}`
`57`	`57`
`58`	`58`	`void WiFiServer::begin() {`
	`59`	`+ close();`
`59`	`60`	`err_t err;`
`60`	`61`	`tcp_pcb* pcb = tcp_new();`
`61`	`62`	`if (!pcb)`
`@@ -118,6 +119,7 @@ void WiFiServer::close() {`
`118`	`119`	`return;`
`119`	`120`	`}`
`120`	`121`	`tcp_close(_pcb);`
	`122`	`+ _pcb = nullptr;`
`121`	`123`	`}`
`122`	`124`
`123`	`125`	`void WiFiServer::stop() {`