From db71c753aad7de09af1a667d1db0d5017c048f6a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Cabral?= <jcabral@homeit.io>
Date: Thu, 18 Apr 2019 14:32:01 +0100
Subject: [PATCH] FIX: mqtt_get_id wrong logic on msg size checks.

This error was preventing the function from returning the right msg ID,
returning always 0.
---
 lib/mqtt_msg.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/mqtt_msg.c b/lib/mqtt_msg.c
index 1ee803c..bf40aa4 100644
--- a/lib/mqtt_msg.c
+++ b/lib/mqtt_msg.c
@@ -307,13 +307,13 @@ uint16_t mqtt_get_id(uint8_t* buffer, uint16_t length)
                 topiclen = buffer[i++] << 8;
                 topiclen |= buffer[i++];
 
-                if (i + topiclen >= length)
+                if (i + topiclen > length)
                     return 0;
                 i += topiclen;
 
                 if (mqtt_get_qos(buffer) > 0)
                 {
-                    if (i + 2 >= length)
+                    if (i + 2 > length)
                         return 0;
                     //i += 2;
                 } else {