fixed calling convention

include/platform.h

@@ -1,6 +1,6 @@
 #ifndef PLATFORM_INCLUDED
 #define PLATFORM_INCLUDED
 
-extern int plat_main(void);
+extern int plat_main(int argc, char **argv);
 
 #endif // platform.h

src/linux_platform.c

@@ -5,7 +5,9 @@
 
 #include "../include/platform.h"
 
-int plat_main(void) {
+int plat_main(int argc, char **argv) {
+    (void) argc;
+    (void) argv;
     Display *display = XOpenDisplay(NULL);
     if (!display) {
         fprintf(stderr, "Cannot open display\n");

src/windows_platform.c

@@ -14,44 +14,50 @@ LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
     return DefWindowProc(hwnd, msg, wParam, lParam);
 }
 
-int WINAPI plat_main(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
+int plat_main(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
 {
-    // 1. Register the window class
-    WNDCLASS wc = {};
-    wc.lpfnWndProc   = WndProc;
-    wc.hInstance     = hInstance;
-    wc.lpszClassName = "MyWindowClass";
-    wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
+HINSTANCE hInstance = GetModuleHandle(NULL);
+    const char CLASS_NAME[] = "MyWindowClass";
+
+    // Step 1: Register the window class
+    WNDCLASS wc = {0};
+    wc.lpfnWndProc = WndProc;
+    wc.hInstance = hInstance;
+    wc.lpszClassName = CLASS_NAME;
+    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
     wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
 
-    RegisterClass(&wc);
+    if (!RegisterClass(&wc)) {
+        MessageBox(NULL, "Failed to register window class!", "Error", MB_OK | MB_ICONERROR);
+        return;
+    }
 
-    // 2. Create the window
+    // Step 2: Create the window
     HWND hwnd = CreateWindowEx(
-        0,                   // Extended style
-        "MyWindowClass",     // Class name
-        "Hello, Win32!",     // Window title
-        WS_OVERLAPPEDWINDOW, // Style (title bar, border, min/max/close buttons)
-        CW_USEDEFAULT, CW_USEDEFAULT, 800, 600, // x, y, width, height
+        0,                    // Optional window styles
+        CLASS_NAME,           // Window class
+        "My Win32 Window",    // Window title
+        WS_OVERLAPPEDWINDOW,  // Window style
+        CW_USEDEFAULT, CW_USEDEFAULT, 500, 400, // x, y, width, height
         NULL,       // Parent window    
         NULL,       // Menu
-        hInstance,
-        NULL
+        hInstance,  // Instance handle
+        NULL        // Additional application data
     );
 
-    if (!hwnd) return -1;
+    if (!hwnd) {
+        MessageBox(NULL, "Failed to create window!", "Error", MB_OK | MB_ICONERROR);
+        return;
+    }
 
-    // 3. Show the window
-    ShowWindow(hwnd, nCmdShow);
+    ShowWindow(hwnd, SW_SHOW);
     UpdateWindow(hwnd);
 
-    // 4. Message loop
-    MSG msg = {};
-    while (GetMessage(&msg, NULL, 0, 0))
-    {
+    // Step 3: Message loop
+    MSG msg;
+    while (GetMessage(&msg, NULL, 0, 0)) {
         TranslateMessage(&msg);
         DispatchMessage(&msg);
     }
-
     return (int)msg.wParam;
 }

tests/01_platform.c

@@ -1,6 +1,6 @@
 #define DEBUG
 #include "../include/platform.h"
-int main(void){
+int main(int argc, char **argv){
 
-    return plat_main();
+    return plat_main(argc,argv);
 }