From a8c524f408deccfaf5bc18959e47afa319a43344 Mon Sep 17 00:00:00 2001
From: Johannes Vogel <31311694+johannes-vogel@users.noreply.github.com>
Date: Mon, 21 Jul 2025 12:37:50 +0200
Subject: [PATCH] fix: precision for long dates

---
 lib/protocol/Writer.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/protocol/Writer.js b/lib/protocol/Writer.js
index 28cf501..fd26013 100644
--- a/lib/protocol/Writer.js
+++ b/lib/protocol/Writer.js
@@ -861,7 +861,7 @@ Writer.prototype[TypeCode.LONGDATE] = function writeLongDate(value) {
     hours = ~~ts[4];
     minutes = ~~ts[5];
     seconds = ~~ts[6];
-    nanoseconds = ~~((ts[6] * 1000000000) % 1000000000);
+    nanoseconds = ~~((ts[6] * 10000000) % 10000000);
   } else {
     throw createInputError('LONGDATE');
   }
@@ -877,7 +877,7 @@ Writer.prototype[TypeCode.LONGDATE] = function writeLongDate(value) {
   }
   const dayDate = calendar.DAYDATE(year, month, day);
   const dayFactor = BigInt(10000000) * BigInt(60 * 60 * 24);
-  const timeValue = BigInt(((hours * 60) + minutes) * 60 + seconds) * BigInt(10000000) + BigInt(~~(nanoseconds / 100));
+  const timeValue = BigInt(((hours * 60) + minutes) * 60 + seconds) * BigInt(10000000) + BigInt(nanoseconds);
   const longDate = BigInt(dayDate - 1) * dayFactor + timeValue + BigInt(1);
   var buffer = new Buffer(9);
   buffer[0] = TypeCode.LONGDATE;