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Packet zero length protection #116

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Packet zero length protection #116

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Packet zero length protection
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@bsvi
bsvi committed Mar 11, 2018
commit a0ae1be9f8988be1fa991020ed8fbaab64f61859
1 change: 1 addition & 0 deletions Adafruit_MQTT_Client.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@ uint16_t Adafruit_MQTT_Client::readPacket(uint8_t *buffer, uint16_t maxlen,
uint16_t len = 0;
int16_t t = timeout;

if (maxlen == 0) return 0;
while (client->connected() && (timeout >= 0)) {
//DEBUG_PRINT('.');
while (client->available()) {
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