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Zmq: let GetData of an empty message return nullptr

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This commit is contained in:
Alexey Rybalchenko
2020-06-04 23:27:11 +02:00
parent 36d4f3c937
commit 79ca436b74
2 changed files with 45 additions and 2 deletions
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12
fairmq/zeromq/Message.h
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@@ -155,9 +155,17 @@ class Message final : public fair::mq::Message
void* GetData() const override
{
if (!fViewMsg) {
return zmq_msg_data(fMsg.get());
if (zmq_msg_size(fMsg.get()) > 0) {
return zmq_msg_data(fMsg.get());
} else {
return nullptr;
}
} else {
return zmq_msg_data(fViewMsg.get());
if (zmq_msg_size(fViewMsg.get()) > 0) {
return zmq_msg_data(fViewMsg.get());
} else {
return nullptr;
}
}
}