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Fix invalid parameter passed to WSASendMsg() #2890

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Jul 19, 2024
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4 changes: 2 additions & 2 deletions src/platform/windows/misc.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -1537,7 +1537,7 @@

// If USO is not supported, this will fail and the caller will fall back to unbatched sends.
DWORD bytes_sent;
return WSASendMsg((SOCKET) send_info.native_socket, &msg, 1, &bytes_sent, nullptr, nullptr) != SOCKET_ERROR;
return WSASendMsg((SOCKET) send_info.native_socket, &msg, 0, &bytes_sent, nullptr, nullptr) != SOCKET_ERROR;

Check warning on line 1540 in src/platform/windows/misc.cpp

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src/platform/windows/misc.cpp#L1540

Added line #L1540 was not covered by tests
}

bool
Expand Down Expand Up @@ -1614,7 +1614,7 @@
msg.Control.len = cmbuflen;

DWORD bytes_sent;
if (WSASendMsg((SOCKET) send_info.native_socket, &msg, 1, &bytes_sent, nullptr, nullptr) == SOCKET_ERROR) {
if (WSASendMsg((SOCKET) send_info.native_socket, &msg, 0, &bytes_sent, nullptr, nullptr) == SOCKET_ERROR) {
auto winerr = WSAGetLastError();
BOOST_LOG(warning) << "WSASendMsg() failed: "sv << winerr;
return false;
Expand Down
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