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Update MQTT.cpp (#1534)

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Fix returning pointer to local variable that will become invalid when returning.

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
loodydo 2022-07-02 05:53:15 -06:00 committed by GitHub
parent c725a6b65f
commit f26441727c
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1 changed files with 2 additions and 2 deletions
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src/mqtt/MQTT.cpp
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@ -356,8 +356,8 @@ String MQTT::downstreamPacketToJson(MeshPacket *mp)
{"payload", msgPayload}};
// serialize and return it
std::string jsonStr = jsonObj.dump();
static std::string jsonStr = jsonObj.dump();
DEBUG_MSG("serialized json message: %s\n", jsonStr.c_str());
return jsonStr.c_str();
}
}