format + mingw-ify + makefile

.clangd

@@ -0,0 +1,4 @@
+CompileFlags:
+  Add: [
+    --target=x86_64-w64-mingw32-gcc,
+  ]

.gitignore

@@ -32,6 +32,7 @@ luac.out
 *.so
 *.so.*
 *.dylib
+*.dll
 
 # Executables
 *.out

Makefile

@@ -0,0 +1,18 @@
+CC = x86_64-w64-mingw32-gcc
+RM = rm
+
+CFLAGS = -shared -lpsapi -luser32
+
+EXES = detect_game
+EXT  = .dll
+
+all: $(EXES)
+
+$(EXES): %: %.c $(DEPS)
+	$(CC) $^ -o $@$(EXT) $(CFLAGS)
+
+%.o: %.c
+	$(CC) -c $< -o $@ $(CFLAGS)
+
+clean:
+	@$(RM) *.o $(addsuffix $(EXT), $(EXES)) 2>/dev/null |:

detect_game.c

@@ -1,12 +1,8 @@
-#include "pch.h"
+#include <windows.h>
 
-BOOL APIENTRY DllMain( HMODULE hModule,
+BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call,
-					   DWORD  ul_reason_for_call,
+                      LPVOID lpReserved) {
-					   LPVOID lpReserved
+  switch (ul_reason_for_call) {
-					 )
-{
-	switch (ul_reason_for_call)
-	{
   case DLL_PROCESS_ATTACH:
   case DLL_THREAD_ATTACH:
   case DLL_THREAD_DETACH:
@@ -16,10 +12,9 @@ BOOL APIENTRY DllMain( HMODULE hModule,
   return TRUE;
 }
 
-#include <Windows.h>
+#include <psapi.h>
-#include <Psapi.h>
-#include <tchar.h>
 #include <stdlib.h>
+#include <tchar.h>
 
 #define MAX_TITLE_LENGTH 256
 static const char prefix[] = "C:\\Windows\\";
@@ -28,10 +23,12 @@ static const char gameBarExe[] = "GameBar.exe";
 BOOL TestFullscreen(HWND hwnd) {
   WINDOWPLACEMENT wp;
   wp.length = sizeof(WINDOWPLACEMENT);
-	if (!GetWindowPlacement(hwnd, &wp))
+  if (!GetWindowPlacement(hwnd, &wp)) {
     return FALSE;
-	if (IsZoomed(hwnd))
+  }
+  if (IsZoomed(hwnd)) {
     return TRUE;
+  }
   RECT rcDesktop;
   GetClientRect(GetDesktopWindow(), &rcDesktop);
   return (wp.rcNormalPosition.left <= rcDesktop.left &&
@@ -41,14 +38,15 @@ BOOL TestFullscreen(HWND hwnd) {
 }
 
 void ConvertTCHARToChar(const TCHAR *source, char *dest, size_t destSize) {
-#ifdef _WIN32
+#ifdef _UNICODE
   wcstombs_s(NULL, dest, destSize, source, _TRUNCATE);
 #else
-	wcstombs(dest, source, destSize);
+  strncpy_s(dest, destSize, source, _TRUNCATE);
 #endif
 }
 
-__declspec(dllexport) int get_running_fullscreen_game_path(char* buffer, int bufferSize) {
+__declspec(dllexport) int get_running_fullscreen_game_path(char *buffer,
+                                                           int bufferSize) {
   HWND hwnd = NULL;
   while ((hwnd = FindWindowEx(NULL, hwnd, NULL, NULL)) != NULL) {
     if (TestFullscreen(hwnd)) {
@@ -58,7 +56,8 @@ __declspec(dllexport) int get_running_fullscreen_game_path(char* buffer, int buf
       DWORD processId;
       GetWindowThreadProcessId(hwnd, &processId);
 
-			HANDLE hProcess = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, processId);
+      HANDLE hProcess =
+          OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, processId);
       if (hProcess == NULL) {
         return 1;
       }
@@ -70,7 +69,8 @@ __declspec(dllexport) int get_running_fullscreen_game_path(char* buffer, int buf
       }
 
       CloseHandle(hProcess);
-			size_t exe_bufferSize = sizeof(executablePath) / sizeof(executablePath[0]);
+      size_t exe_bufferSize =
+          sizeof(executablePath) / sizeof(executablePath[0]);
 
       char *charPath = (char *)malloc(exe_bufferSize);
 
@@ -85,10 +85,10 @@ __declspec(dllexport) int get_running_fullscreen_game_path(char* buffer, int buf
         continue;
       }
 
-			strcpy_s(buffer, bufferSize, charPath); // Use charPath as a regular char array
+      // Use charPath as a regular char array
+      strcpy_s(buffer, bufferSize, charPath);
       free(charPath);
       return 0;
-
     }
   }
   return 1;