From 8a6d09f9c3c4891baede2e1f886ce2f6024d9db8 Mon Sep 17 00:00:00 2001
From: flan <flan@flande.re>
Date: Thu, 8 Feb 2018 03:18:33 +0100
Subject: [PATCH] Avoid unnecessary string allocations

---
 bridge/irc/irc.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bridge/irc/irc.go b/bridge/irc/irc.go
index ee29ee2b..5b238da5 100644
--- a/bridge/irc/irc.go
+++ b/bridge/irc/irc.go
@@ -196,8 +196,8 @@ func (b *Birc) Send(msg config.Message) (string, error) {
 	}
 	for _, text := range strings.Split(msg.Text, "\n") {
 		if len(text) > b.Config.MessageLength {
-			for len(text)+len(" <message clipped>") > b.Config.MessageLength {
-				_, size := utf8.DecodeLastRuneInString(text)
+			text = text[:b.Config.MessageLength-len(" <message clipped>")]
+			if r, size := utf8.DecodeLastRuneInString(text); r == utf8.RuneError {
 				text = text[:len(text)-size]
 			}
 			text += " <message clipped>"