[WIP] sfdnsres: stub (#146)

sfdnsres: Add several stubs

src/core/hle/service/sockets/sfdnsres.cpp

@@ -0,0 +1,36 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/hle/ipc_helpers.h"
+#include "core/hle/service/sockets/sfdnsres.h"
+
+namespace Service {
+namespace Sockets {
+
+void SFDNSRES::GetAddrInfo(Kernel::HLERequestContext& ctx) {
+    IPC::RequestParser rp{ctx};
+
+    LOG_WARNING(Service, "(STUBBED) called");
+
+    IPC::ResponseBuilder rb{ctx, 2};
+
+    rb.Push(RESULT_SUCCESS);
+}
+
+SFDNSRES::SFDNSRES() : ServiceFramework("sfdnsres") {
+    static const FunctionInfo functions[] = {{0, nullptr, "SetDnsAddressesPrivate"},
+                                             {1, nullptr, "GetDnsAddressPrivate"},
+                                             {2, nullptr, "GetHostByName"},
+                                             {3, nullptr, "GetHostByAddr"},
+                                             {4, nullptr, "GetHostStringError"},
+                                             {5, nullptr, "GetGaiStringError"},
+                                             {6, &SFDNSRES::GetAddrInfo, "GetAddrInfo"},
+                                             {7, nullptr, "GetNameInfo"},
+                                             {8, nullptr, "RequestCancelHandle"},
+                                             {9, nullptr, "CancelSocketCall"}};
+    RegisterHandlers(functions);
+}
+
+} // namespace Sockets
+} // namespace Service