initial

cxx-shared/shared/util.hpp

@@ -0,0 +1,30 @@
+#pragma once
+#include <filesystem>
+#include <mutex>
+
+#include <Windows.h>
+
+namespace shared {
+    inline std::filesystem::path get_this_module_path() {
+        char result[_MAX_PATH] = {0};
+
+        /// \fixme @es3n1n: This is sketchy
+        HMODULE h_module = nullptr;
+        GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
+                           reinterpret_cast<LPCSTR>(&get_this_module_path), &h_module);
+
+        GetModuleFileNameA(h_module, result, sizeof(result));
+        return result;
+    }
+
+    inline void alloc_console() {
+        static std::once_flag fl;
+
+        /// Most likely the process we're injecting to does not have allocated console
+        std::call_once(fl, []() -> void {
+            AllocConsole();
+            freopen_s(reinterpret_cast<FILE**>(stdout), "CONOUT$", "w", stdout);
+            freopen_s(reinterpret_cast<FILE**>(stderr), "CONOUT$", "w", stderr);
+        });
+    }
+} // namespace shared