lib/discover, lib/protocol: Buffer allocation

2021-09-06 15:30:56 +02:00
parent 4e2a9bb139
commit eafb40460d
2 changed files with 7 additions and 8 deletions
@@ -90,7 +90,7 @@ func writeHello(c io.Writer, h HelloIntf) error {
 		panic("bug: attempting to serialize too large hello message")
 	}

-	header := make([]byte, 6)
+	header := make([]byte, 6, 6+len(msg))
 	binary.BigEndian.PutUint32(header[:4], h.Magic())
 	binary.BigEndian.PutUint16(header[4:], uint16(len(msg)))