apt: Add stub for ns:c service. (#6409)

src/core/CMakeLists.txt

@@ -220,6 +220,8 @@ add_library(core STATIC
     hle/service/apt/apt_u.h
     hle/service/apt/ns.cpp
     hle/service/apt/ns.h
+    hle/service/apt/ns_c.cpp
+    hle/service/apt/ns_c.h
     hle/service/apt/ns_s.cpp
     hle/service/apt/ns_s.h
     hle/service/apt/bcfnt/bcfnt.cpp

src/core/hle/service/apt/apt.cpp

@@ -22,6 +22,7 @@
 #include "core/hle/service/apt/apt_s.h"
 #include "core/hle/service/apt/apt_u.h"
 #include "core/hle/service/apt/bcfnt/bcfnt.h"
+#include "core/hle/service/apt/ns_c.h"
 #include "core/hle/service/apt/ns_s.h"
 #include "core/hle/service/cfg/cfg.h"
 #include "core/hle/service/fs/archive.h"
@@ -1240,6 +1241,7 @@ void InstallInterfaces(Core::System& system) {
     std::make_shared<APT_S>(apt)->InstallAsService(service_manager);
     std::make_shared<APT_A>(apt)->InstallAsService(service_manager);
     std::make_shared<Service::NS::NS_S>(apt)->InstallAsService(service_manager);
+    std::make_shared<Service::NS::NS_C>(apt)->InstallAsService(service_manager);
 }
 
 } // namespace Service::APT

src/core/hle/service/apt/ns_c.cpp

@@ -0,0 +1,21 @@
+// Copyright 2023 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/archives.h"
+#include "core/hle/service/apt/ns_c.h"
+
+namespace Service::NS {
+
+NS_C::NS_C(std::shared_ptr<Service::APT::Module> apt)
+    : Service::APT::Module::NSInterface(std::move(apt), "ns:c", 1) {
+    static const FunctionInfo functions[] = {
+        {0x00010100, nullptr, "LockSpecialContent"},
+        {0x00020100, nullptr, "UnlockSpecialContent"},
+    };
+    RegisterHandlers(functions);
+}
+
+} // namespace Service::NS
+
+SERIALIZE_EXPORT_IMPL(Service::NS::NS_C)

src/core/hle/service/apt/ns_c.h

@@ -0,0 +1,25 @@
+// Copyright 2023 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/service/apt/apt.h"
+#include "core/hle/service/service.h"
+
+namespace Service::NS {
+
+/// Interface to "ns:c" service
+class NS_C final : public Service::APT::Module::NSInterface {
+public:
+    explicit NS_C(std::shared_ptr<Service::APT::Module> apt);
+
+private:
+    SERVICE_SERIALIZATION(NS_C, apt, Service::APT::Module)
+};
+
+} // namespace Service::NS
+
+BOOST_CLASS_EXPORT_KEY(Service::NS::NS_C)
+BOOST_SERIALIZATION_CONSTRUCT(Service::NS::NS_C)

src/core/hle/service/apt/ns_s.cpp

@@ -8,7 +8,7 @@
 namespace Service::NS {
 
 NS_S::NS_S(std::shared_ptr<Service::APT::Module> apt)
-    : Service::APT::Module::NSInterface(std::move(apt), "ns:s", 2) {
+    : Service::APT::Module::NSInterface(std::move(apt), "ns:s", 3) {
     static const FunctionInfo functions[] = {
         {0x000100C0, nullptr, "LaunchFIRM"},
         {0x000200C0, nullptr, "LaunchTitle"},