From 874edd2ab76a1931a2d8efb81196c07aa346f650 Mon Sep 17 00:00:00 2001
From: John MacCallum <john.m@ccallum.com>
Date: Sun, 16 Jul 2023 12:04:34 +0100
Subject: [PATCH] Fixed a crash that could occur (was occuring with o.timetag)
 when removing messages with duplicate addresses would encounter a message
 with a NULL address

---
 osc_bundle_u.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/osc_bundle_u.c b/osc_bundle_u.c
index 38d7575..3234705 100644
--- a/osc_bundle_u.c
+++ b/osc_bundle_u.c
@@ -259,7 +259,8 @@ static t_osc_err osc_bundle_u_addMsg_impl(t_osc_bndl_u *bndl, t_osc_msg_u *msg,
 			t_osc_msg_u *m = bndl->msghead;
 			while(m){
 				t_osc_msg_u *next = m->next;
-				if(!strcmp(address, osc_message_u_getAddress(m))){
+                const char * const messageaddr = osc_message_u_getAddress(m);
+				if(messageaddr && !strcmp(address, messageaddr)){
 					osc_bundle_u_removeMsg(bndl, m);
 					osc_message_u_free(m);
 					bndl->msgcount--;