loader: completely rewrite.

stratosphere/loader/source/ldr_launch_record.cpp

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2018-2019 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <set>
+#include <stratosphere/pm.hpp>
+
+#include "ldr_launch_record.hpp"
+
+namespace sts::ldr {
+
+    namespace {
+
+        /* Global cache. */
+        std::set<u64> g_launched_titles;
+
+    }
+
+    /* Launch Record API. */
+    bool HasLaunchedTitle(ncm::TitleId title_id) {
+        return g_launched_titles.find(static_cast<u64>(title_id)) != g_launched_titles.end();
+    }
+
+    void SetLaunchedTitle(ncm::TitleId title_id) {
+        g_launched_titles.insert(static_cast<u64>(title_id));
+    }
+
+}
+
+/* Loader wants to override this libstratosphere function, which is weakly linked. */
+/* This is necessary to prevent circular dependencies. */
+namespace sts::pm::info {
+
+    Result HasLaunchedTitle(bool *out, u64 title_id) {
+        *out = ldr::HasLaunchedTitle(ncm::TitleId{title_id});
+        return ResultSuccess;
+    }
+
+}