fix WiFiClient::availableForWrite() with no connexion (#3985)

d-a-v · devyte · commit f8b577b6c392 · 2017-12-18T00:47:56.000-03:00
fix #3983
diff --git a/libraries/ESP8266WiFi/src/WiFiClient.cpp b/libraries/ESP8266WiFi/src/WiFiClient.cpp
@@ -156,7 +156,7 @@ bool WiFiClient::getNoDelay() {
 
 size_t WiFiClient::availableForWrite ()
 {
-    return _client->availableForWrite();
+    return _client? _client->availableForWrite(): 0;
 }
 
 size_t WiFiClient::write(uint8_t b)

Original file line number	Diff line number	Diff line change
`@@ -156,7 +156,7 @@ bool WiFiClient::getNoDelay() {`
`156`	`156`
`157`	`157`	`size_t WiFiClient::availableForWrite ()`
`158`	`158`	`{`
`159`		`- return _client->availableForWrite();`
	`159`	`+ return _client? _client->availableForWrite(): 0;`
`160`	`160`	`}`
`161`	`161`
`162`	`162`	`size_t WiFiClient::write(uint8_t b)`