From 90c9218f0786d2793270d37baa0f3a1b7f87edc9 Mon Sep 17 00:00:00 2001
From: Lucas POUZAC <lucas.pouzac@lpoconseil.fr>
Date: Thu, 3 Jul 2025 17:49:53 +0200
Subject: [PATCH] Fix remove '\n' before monkey on input-tcp mode

---
 input_tcp.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/input_tcp.go b/input_tcp.go
index e31217cc..f111dfbd 100644
--- a/input_tcp.go
+++ b/input_tcp.go
@@ -117,7 +117,9 @@ func (i *TCPInput) handleConnection(conn net.Conn) {
 
 		if bytes.Equal(payloadSeparatorAsBytes[1:], line) {
 			// unread the '\n' before monkeys
-			buffer.UnreadByte()
+			if buffer.Len() > 0 {
+				buffer.Truncate(buffer.Len() - 1)
+			}
 			var msg Message
 			msg.Meta, msg.Data = payloadMetaWithBody(buffer.Bytes())
 			i.data <- &msg