ota.h fix: use strlen instead of sizeof

1 files changed, 3 insertions, 3 deletions

diff --git a/ota.h b/ota.h
index 28fb37b..2bcadfe 100644
--- a/ota.h
+++ b/ota.h
@@ -20,6 +20,7 @@
 #ifndef ota_h
 #define ota_h
 // needed include files
+#include <cstring>
 #include <ESP8266WiFi.h>
 #include <ESP8266mDNS.h>
 #include <WiFiUdp.h>
@@ -32,9 +33,8 @@
 // Establish WiFi connection
 // ==================================================================
 void setupWifi(char hostname[]) {
-  int i = 0;
   WiFi.mode(WIFI_STA);
-  if (sizeof(hostname) > 0) {
+  if (strlen(hostname) > 0) {
     WiFi.hostname(hostname);
   }
   if (Serial) {Serial.println("Connecting ");}
@@ -60,7 +60,7 @@ void setupOTA(char hostname[]) {
   // ArduinoOTA.setPort(8266);
 
   // Hostname defaults to esp8266-[ChipID]
-  if (sizeof(hostname) > 0) {
+  if (strlen(hostname) > 0) {
     ArduinoOTA.setHostname(hostname);
   }