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fix issue with compressed pointer (issue 4648) #4752

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merged 4 commits into from
Jun 7, 2018
Merged

fix issue with compressed pointer (issue 4648) #4752

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7f44ea4
fix issue with compressed pointer (issue 4648)
bikemike May 22, 2018
bf1be6a
Merge branch 'master' into issue_4648
devyte May 22, 2018
6ab2de9
Merge branch 'master' into issue_4648
devyte May 23, 2018
35379cc
Merge branch 'master' into issue_4648
d-a-v Jun 7, 2018
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3 changes: 2 additions & 1 deletion libraries/ESP8266mDNS/ESP8266mDNS.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -551,7 +551,8 @@ void MDNSResponder::_parsePacket(){
if (tmp8 & 0xC0) { // Compressed pointer
uint16_t offset = ((((uint16_t)tmp8) & ~0xC0) << 8) | _conn_read8();
if (_conn->isValidOffset(offset)) {
last_bufferpos = _conn->tell();
if (0 == last_bufferpos)
last_bufferpos = _conn->tell();
#ifdef DEBUG_ESP_MDNS_RX
DEBUG_ESP_PORT.print("Compressed pointer, jumping from ");
DEBUG_ESP_PORT.print(last_bufferpos);
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