From b3506020d1cc7931067d137b5226734f4c2bd55d Mon Sep 17 00:00:00 2001
From: Dave Besson <101441418+davebesson@users.noreply.github.com>
Date: Mon, 29 Aug 2022 11:50:43 -0400
Subject: [PATCH] Update MQTTClient.c

Fixed sendPacket() couldn't send packets larger than 2048 bytes and caused a disconnect from server
---
 Internet/MQTT/MQTTClient.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Internet/MQTT/MQTTClient.c b/Internet/MQTT/MQTTClient.c
index 6580aa1..26086c3 100644
--- a/Internet/MQTT/MQTTClient.c
+++ b/Internet/MQTT/MQTTClient.c
@@ -33,7 +33,7 @@ static int sendPacket(MQTTClient* c, int length, Timer* timer)
 
     while (sent < length && !TimerIsExpired(timer))
     {
-        rc = c->ipstack->mqttwrite(c->ipstack, &c->buf[sent], length, TimerLeftMS(timer));
+        rc = c->ipstack->mqttwrite(c->ipstack, &c->buf[sent], length - sent, TimerLeftMS(timer));
         if (rc < 0)  // there was an error writing the data
             break;
         sent += rc;