memory reservation for string in example

d-a-v · d-a-v · commit a71e1c90b29f · 2020-09-22T10:55:39.000+02:00
diff --git a/libraries/ESP8266mDNS/examples/LEAmDNS/mDNS_Clock_v2/mDNS_Clock_v2.ino b/libraries/ESP8266mDNS/examples/LEAmDNS/mDNS_Clock_v2/mDNS_Clock_v2.ino
@@ -171,6 +171,7 @@ void handleHTTPRequest() {
   gmtime_r(&now, &timeinfo);
 
   String s;
+  s.reserve(300);
 
   s = "<!DOCTYPE HTML>\r\n<html>Hello from ";
   s += WiFi.hostname() + " at " + WiFi.localIP().toString();
