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Problem: recv return value should not be ignored

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Solution: add nodiscard attribute to recv functions
This commit is contained in:
Gudmundur Adalsteinsson 2019-10-26 12:31:51 +00:00
parent fdb2f13971
commit 4bc232c175
1 changed files with 2 additions and 2 deletions
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4
zmq.hpp
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@ -1348,7 +1348,7 @@ public:
} }
#ifdef ZMQ_CPP11 #ifdef ZMQ_CPP11
detail::recv_buffer_result_t recv(mutable_buffer buf, ZMQ_NODISCARD detail::recv_buffer_result_t recv(mutable_buffer buf,
recv_flags flags = recv_flags::none) recv_flags flags = recv_flags::none)
{ {
const int nbytes = const int nbytes =
@ -1362,7 +1362,7 @@ public:
throw error_t(); throw error_t();
} }
detail::recv_result_t recv(message_t &msg, recv_flags flags = recv_flags::none) ZMQ_NODISCARD detail::recv_result_t recv(message_t &msg, recv_flags flags = recv_flags::none)
{ {
const int nbytes = zmq_msg_recv(msg.handle(), _handle, static_cast<int>(flags)); const int nbytes = zmq_msg_recv(msg.handle(), _handle, static_cast<int>(flags));
if (nbytes >= 0) { if (nbytes >= 0) {