From 98ac5a562ad6f347bcde307d56466b2668251908 Mon Sep 17 00:00:00 2001
From: HansHoogerwerf <hans3132@live.nl>
Date: Mon, 17 Oct 2022 15:46:40 +0200
Subject: Verify the linux OS supports nanoseconds

Add extra check to verify the linux OS supports nanoseconds. This might not be the case with certain busybox implementations.
---
 include/functions | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/include/functions b/include/functions
index 5b211707..db4c7ef8 100644
--- a/include/functions
+++ b/include/functions
@@ -2562,15 +2562,17 @@
 
     GetTimestamp() {
         ts=0
-        case "${OS}" in
-            "Linux")
-                ts=$(date "+%s%N")
-            ;;
-            *)
-                ts=$(date "+%s")
-            ;;
-        esac
-        echo $ts
+		# Detect if the implementation of date supports nanoseconds,
+	    if [ "${OS}" = "Linux" ]; then
+		    current_nanoseconds=$(date "+%N")
+		    # Verify if the result of the command is a number
+            if [ -n "$current_nanoseconds" ] && [ "$current_nanoseconds" -eq "$current_nanoseconds" ] 2>/dev/null; then
+               ts=$(date "+%s%N")
+            else
+		       ts=$(date "+%s")
+		    fi
+        fi
+		echo $ts
     }
 
     Register() {
-- 
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