From ea8e0637531e4b199660f281688e077d4d616474 Mon Sep 17 00:00:00 2001
From: xibz <impactbchang@gmail.com>
Date: Thu, 30 Aug 2018 14:40:13 -0700
Subject: [PATCH] Changes MustGetInt to GetInt due to OSX not supporting
 'kCBMsgArgATTMTU'

---
 darwin/msg.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/darwin/msg.go b/darwin/msg.go
index 7ad170b6..c9c5b7f0 100644
--- a/darwin/msg.go
+++ b/darwin/msg.go
@@ -12,7 +12,12 @@ func (m msg) args() xpc.Dict { return xpc.Dict(m).MustGetDict("kCBMsgArgs") }
 func (m msg) advertisementData() xpc.Dict {
 	return xpc.Dict(m).MustGetDict("kCBMsgArgAdvertisementData")
 }
-func (m msg) attMTU() int          { return xpc.Dict(m).MustGetInt("kCBMsgArgATTMTU") }
+
+const macOSXDefaultMTU = 23
+
+// Uses GetInt as oppose to MustGetInt due to OSX not supporting 'kCBMsgArgATTMTU'.
+// Issue #70
+func (m msg) attMTU() int          { return xpc.Dict(m).GetInt("kCBMsgArgATTMTU", macOSXDefaultMTU) }
 func (m msg) attWrites() xpc.Array { return xpc.Dict(m).MustGetArray("kCBMsgArgATTWrites") }
 func (m msg) attributeID() int     { return xpc.Dict(m).MustGetInt("kCBMsgArgAttributeID") }
 func (m msg) characteristicHandle() int {