From cb00537284ae017151a6e09910dcbdd8cb64d433 Mon Sep 17 00:00:00 2001
From: Stefan Kreutter <stefan.kreutter@fit.fraunhofer.de>
Date: Tue, 13 Sep 2022 10:04:12 +0200
Subject: [PATCH] fixed compile error

src/NetworkSettings.cpp: In member function 'void NetworkSettingsClass::setHostname()':
src/NetworkSettings.cpp:254:42: error: no matching function for call to 'ETHClass::setHostname(String)'
         if (ETH.setHostname(getHostname())) {
                                          ^
ETH.h:83:14: note: candidate: 'bool ETHClass::setHostname(const char*)'
         bool setHostname(const char * hostname);
---
 src/NetworkSettings.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/NetworkSettings.cpp b/src/NetworkSettings.cpp
index 93c59fe..cde067f 100644
--- a/src/NetworkSettings.cpp
+++ b/src/NetworkSettings.cpp
@@ -251,7 +251,7 @@ void NetworkSettingsClass::setHostname()
     }
 #ifdef OPENDTU_ETHERNET
     else if (_networkMode == network_mode::Ethernet) {
-        if (ETH.setHostname(getHostname())) {
+        if (ETH.setHostname(getHostname().c_str())) {
             Serial.println(F("done"));
         } else {
             Serial.println(F("failed"));