From 841c965c20c2d55b961ea3a38cf8a1c6b9e68979 Mon Sep 17 00:00:00 2001
From: Der-Schubi <schubi@erlangen.ccc.de>
Date: Sun, 23 Jun 2024 14:20:39 +0200
Subject: [PATCH] Add handling for NTP server returning 0

Fixes #193, fixes 84, fixes
Credits to @frankB415 for the Code in Issue #193!
---
 NTPClient.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/NTPClient.cpp b/NTPClient.cpp
index b435855..f73dca0 100755
--- a/NTPClient.cpp
+++ b/NTPClient.cpp
@@ -112,6 +112,10 @@ bool NTPClient::forceUpdate() {
   // this is NTP time (seconds since Jan 1 1900):
   unsigned long secsSince1900 = highWord << 16 | lowWord;
 
+  if (secsSince1900 == 0 ) {
+    return false;
+  }
+
   this->_currentEpoc = secsSince1900 - SEVENZYYEARS;
 
   return true;  // return true after successful update