From b67decfba06bbcafbb6909157b46a37c09106930 Mon Sep 17 00:00:00 2001
From: Scott Powell <sqij@protonmail.com>
Date: Thu, 26 Feb 2026 15:36:21 +1100
Subject: [PATCH] * bug fix: Packet::writeTo(), Packet::readFrom()

---
 src/Packet.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/Packet.cpp b/src/Packet.cpp
index 934020b3..aad3e2f4 100644
--- a/src/Packet.cpp
+++ b/src/Packet.cpp
@@ -57,7 +57,7 @@ uint8_t Packet::writeTo(uint8_t dest[]) const {
     memcpy(&dest[i], &transport_codes[1], 2); i += 2;
   }
   dest[i++] = path_len;
-  memcpy(&dest[i], path, path_len); i += path_len;
+  i += writePath(&dest[i], path, path_len);
   memcpy(&dest[i], payload, payload_len); i += payload_len;
   return i;
 }
@@ -72,8 +72,11 @@ bool Packet::readFrom(const uint8_t src[], uint8_t len) {
     transport_codes[0] = transport_codes[1] = 0;
   }
   path_len = src[i++];
-  if (path_len > sizeof(path)) return false;   // bad encoding
-  memcpy(path, &src[i], path_len); i += path_len;
+  if (!isValidPathLen(path_len)) return false;   // bad encoding
+
+  uint8_t bl = getPathByteLen();
+  memcpy(path, &src[i], bl); i += bl;
+
   if (i >= len) return false;   // bad encoding
   payload_len = len - i;
   if (payload_len > sizeof(payload)) return false;  // bad encoding