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Adafruit_MQTT_Library
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This commit is contained in:
xdylanm 2021-05-30 16:16:14 -07:00
parent b007806ac1
commit a2bdbacb17
1 changed files with 2 additions and 1 deletions
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3
Adafruit_MQTT.cpp
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@ -733,7 +733,8 @@ uint16_t Adafruit_MQTT::publishPacket(uint8_t *packet, const char *topic,
// 2 + additionalLen: header byte + remaining length field (from 1 to 4 bytes)
// len = topic size field + value (string)
// bLen = buffer size
if (!(maxPacketLen == 0 || (len + bLen + 2 + additionalLen <= maxPacketLen))) {
if (!(maxPacketLen == 0 ||
(len + bLen + 2 + additionalLen <= maxPacketLen))) {
// If we make it here, we got a pickle: the payload is not going
// to fit in the packet buffer. Instead of corrupting memory, let's
// do something less damaging by reducing the bLen to what we are