From 5cc9feb3e9d431ccfb966fe0e7af7f691abbb13e Mon Sep 17 00:00:00 2001
From: pelgraine <140762863+pelgraine@users.noreply.github.com>
Date: Fri, 20 Feb 2026 05:53:01 +1100
Subject: [PATCH] fix ble send message buffer handling

---
 examples/companion_radio/MyMesh.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/examples/companion_radio/MyMesh.cpp b/examples/companion_radio/MyMesh.cpp
index 2f8820a..430ddd1 100644
--- a/examples/companion_radio/MyMesh.cpp
+++ b/examples/companion_radio/MyMesh.cpp
@@ -1183,6 +1183,8 @@ void MyMesh::handleCmdFrame(size_t len) {
     memcpy(&msg_timestamp, &cmd_frame[i], 4);
     i += 4;
     const char *text = (char *)&cmd_frame[i];
+    int text_len = len - i;
+    cmd_frame[len] = '\0';  // Null-terminate for C string use
 
     if (txt_type != TXT_TYPE_PLAIN) {
       writeErrFrame(ERR_CODE_UNSUPPORTED_CMD);