Add initial project files (excluding ignored content)

external/safetyhook/example/dll.cpp

@@ -0,0 +1,39 @@
+#if __has_include(<Windows.h>)
+#include <Windows.h>
+#elif __has_include(<windows.h>)
+#include <windows.h>
+#else
+#error "Windows.h not found"
+#endif
+
+#include <safetyhook.hpp>
+
+SafetyHookInline g_PeekMessageA_hook{};
+SafetyHookInline g_PeekMessageW_hook{};
+
+BOOL WINAPI hooked_PeekMessageA(LPMSG msg, HWND wnd, UINT filter_min, UINT filter_max, UINT remove_msg) {
+    OutputDebugString("hooked_PeekMessageA\n");
+    return g_PeekMessageA_hook.stdcall<BOOL>(msg, wnd, filter_min, filter_max, remove_msg);
+}
+
+BOOL WINAPI hooked_PeekMessageW(LPMSG msg, HWND wnd, UINT filter_min, UINT filter_max, UINT remove_msg) {
+    OutputDebugString("hooked_PeekMessageW\n");
+    return g_PeekMessageW_hook.stdcall<BOOL>(msg, wnd, filter_min, filter_max, remove_msg);
+}
+
+BOOL WINAPI DllMain(HINSTANCE, DWORD reason, LPVOID) {
+    switch (reason) {
+    case DLL_PROCESS_ATTACH:
+        g_PeekMessageA_hook = safetyhook::create_inline(
+            reinterpret_cast<void*>(&PeekMessageA), reinterpret_cast<void*>(&hooked_PeekMessageA));
+        g_PeekMessageW_hook = safetyhook::create_inline(
+            reinterpret_cast<void*>(&PeekMessageW), reinterpret_cast<void*>(&hooked_PeekMessageW));
+        break;
+
+    case DLL_PROCESS_DETACH:
+        g_PeekMessageW_hook.reset();
+        g_PeekMessageA_hook.reset();
+        break;
+    }
+    return TRUE;
+}