Refactoring

code/arduino/Movement-sensor-code/Connectivity.cpp

@@ -24,6 +24,7 @@ const char* getServerURL = "http://145.92.8.132:443/get-ip";
 String ipAddress = ""; // string that will hold the server's IP address
 
 const char* Connectivity::fetchIPAddress() {
+  char* ipAddress = NULL; // Declare ipAddress as a char*
   if (WiFi.status() == WL_CONNECTED) {
     HTTPClient http;
     WiFiClient client;
@@ -33,7 +34,7 @@ const char* Connectivity::fetchIPAddress() {
     if (httpCode > 0) {
       if (httpCode == HTTP_CODE_OK) {
         // If successful (code 200), read the response body and store the IP address
-        ipAddress = http.getString();
+        ipAddress = strdup(http.getString().c_str());
       }
     } else {
       Serial.printf("GET request failed, error: %s\n", http.errorToString(httpCode).c_str());