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Merge pull request #7635 from janisozaur/logical-op

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Add -Wlogical-op
This commit is contained in:
Michał Janiszewski
2018-06-06 23:04:39 +02:00
committed by GitHub
parent 320eee0d59 bfffa50180
commit 1958266e11
2 changed files with 12 additions and 1 deletions
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1
CMakeLists.txt
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@@ -94,6 +94,7 @@ else ()
ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS CXX_WARN_RESTRICT -Wrestrict)
ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS CXX_WARN_MISSING_FIELD_INITIALIZERS -Wmissing-field-initializers)
ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS CXX_WARN_UNREACHABLE_CODE_BREAK -Wunreachable-code-break)
ADD_CHECK_CXX_COMPILER_FLAG(CMAKE_CXX_FLAGS CXX_WARN_LOGICAL_OP -Wlogical-op)
# Items below are not supported by ICC
if (NOT MINGW)

12
src/openrct2/network/TcpSocket.cpp
View File

@@ -391,7 +391,17 @@ public:
else if (readBytes == SOCKET_ERROR)
{
*sizeReceived = 0;
if (LAST_SOCKET_ERROR() != EWOULDBLOCK && LAST_SOCKET_ERROR() != EAGAIN)
#ifndef _WIN32
// Removing the check for EAGAIN and instead relying on the values being the same allows turning on of
// -Wlogical-op warning.
// This is not true on Windows, see:
// * https://msdn.microsoft.com/en-us/library/windows/desktop/ms737828(v=vs.85).aspx
// * https://msdn.microsoft.com/en-us/library/windows/desktop/ms741580(v=vs.85).aspx
// * https://msdn.microsoft.com/en-us/library/windows/desktop/ms740668(v=vs.85).aspx
static_assert(EWOULDBLOCK == EAGAIN, "Portability note: your system has different values for EWOULDBLOCK "
"and EAGAIN, please extend the condition below");
#endif // _WIN32
if (LAST_SOCKET_ERROR() != EWOULDBLOCK)
{
return NETWORK_READPACKET_DISCONNECTED;
}