Last change was overcomplicated.

irc/irc.go

@@ -11,7 +11,6 @@ import (
 	"net"
 	"sync"
 	"time"
-	"unicode/utf8"
 
 	"github.com/arachnist/dyncfg"
 )
@@ -40,27 +39,15 @@ type Connection struct {
 func (c *Connection) Sender(msg Message) {
 	c.l.Lock()
 	defer c.l.Unlock()
+	c.writer.WriteString(msg.String() + endline)
+	log.Println(c.network, "-->", msg.String())
+	c.writer.Flush()
 	if msg.WireLen() > maxLength {
-		currLen := 0
-		for i, ch := range msg.String() {
-			currLen += utf8.RuneLen(ch)
-			if currLen > maxLength {
-				c.writer.WriteString(msg.String()[:i] + endline)
-				log.Println(c.network, "-->", msg.String())
-				c.writer.Flush()
-				// eh, it is a bit naive to assume that we won't explode again…
-				if msg.Command == "PRIVMSG" { // we don't care otherwise
-					newMsg := msg
-					newMsg.Trailing = "Message truncated"
-					go c.Sender(newMsg)
-				}
-				return
-			}
+		if msg.Command == "PRIVMSG" { // we don't care otherwise
+			newMsg := msg
+			newMsg.Trailing = "Message truncated"
+			go c.Sender(newMsg)
 		}
-	} else {
-		c.writer.WriteString(msg.String() + endline)
-		log.Println(c.network, "-->", msg.String())
-		c.writer.Flush()
 	}
 }
 

irc/message.go

@@ -288,6 +288,11 @@ func (m *Message) Bytes() []byte {
 		buffer.WriteString(m.Trailing)
 	}
 
+	// We need the limit the buffer length.
+	if buffer.Len() > (maxLength) {
+		buffer.Truncate(maxLength)
+	}
+
 	return buffer.Bytes()
 }