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Merge pull request #347 from gummif/gfa/aliasing-warning

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Problem: Strict aliasing warning in tests
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Simon Giesecke 2019-09-11 13:13:11 +02:00 committed by GitHub
commit 88ada98d0b
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1 changed files with 5 additions and 3 deletions
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8
tests/socket_ref.cpp
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@ -95,12 +95,12 @@ TEST_CASE("socket_ref swap", "[socket_ref]")
swap(sr1, sr2); swap(sr1, sr2);
} }
TEST_CASE("socket_ref reinterpret as void*", "[socket_ref]") TEST_CASE("socket_ref type punning", "[socket_ref]")
{ {
struct SVP struct SVP
{ {
void *p; void *p;
}; } svp;
struct SSR struct SSR
{ {
zmq::socket_ref sr; zmq::socket_ref sr;
@ -109,7 +109,9 @@ TEST_CASE("socket_ref reinterpret as void*", "[socket_ref]")
zmq::context_t context; zmq::context_t context;
zmq::socket_t socket(context, zmq::socket_type::router); zmq::socket_t socket(context, zmq::socket_type::router);
CHECK(socket.handle() != nullptr); CHECK(socket.handle() != nullptr);
reinterpret_cast<SVP *>(&ssr)->p = socket.handle(); svp.p = socket.handle();
// static_cast to silence incorrect warning
std::memcpy(static_cast<void*>(&ssr), &svp, sizeof(ssr));
CHECK(ssr.sr == socket); CHECK(ssr.sr == socket);
} }