[USER32]

Fix uninitialized variable use/warnings in
- RegisterClassExWOWW (found by MSVC runtime checks)
- IntDrawState (CID-514399)
- IntCallWindowProcA (CID-514389)
- IntCallWindowProcW (CID-414390)
- SendMessageA (CID-514392)
- SendMessageW (CID-514393)
- SendMessageTimeoutA (CID-514441)
- SendMessageCallbackA (CID-514442)
- SendNotifyMessageW (CID-514443)
- SendNotifyMessageA (CID-514444)
- User32CallWindowProcFromKernel (CID-514445)
- DesktopWndProcA (CID-716765)

svn path=/trunk/; revision=64822

reactos/win32ss/user/user32/windows/class.c

@@ -1472,6 +1472,7 @@ RegisterClassExWOWW(WNDCLASSEXW *lpwcx,
       WndClass.hIconSm = CreateSmallIcon(WndClass.hIcon);
    }
 */
+   RtlInitEmptyAnsiString(&AnsiMenuName, NULL, 0);
    if (WndClass.lpszMenuName != NULL)
    {
       if (!IS_INTRESOURCE(WndClass.lpszMenuName))

reactos/win32ss/user/user32/windows/draw.c

@@ -1272,6 +1272,10 @@ IntDrawState(HDC hdc, HBRUSH hbr, DRAWSTATEPROC func, LPARAM lp, WPARAM wp,
 
             case DST_COMPLEX: /* cx and cy must be set in this mode */
                 return FALSE;
+
+            default:
+                ERR("Invalid opcode: %u\n", opcode);
+                return FALSE;
         }
 
         if(!cx)

reactos/win32ss/user/user32/windows/message.c

@@ -1357,6 +1357,9 @@ DesktopWndProcA( HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam )
   AnsiMsg.message = message;
   AnsiMsg.wParam = wParam;
   AnsiMsg.lParam = lParam;
+  AnsiMsg.time = 0;
+  AnsiMsg.pt.x = 0;
+  AnsiMsg.pt.y = 0;
 
   // Desktop is always Unicode so convert Ansi here.
   if (!MsgiAnsiToUnicodeMessage(hwnd, &UcMsg, &AnsiMsg))
@@ -1501,7 +1504,10 @@ IntCallWindowProcW(BOOL IsAnsiProc,
       UnicodeMsg.message = Msg;
       UnicodeMsg.wParam = wParam;
       UnicodeMsg.lParam = lParam;
-      if (! MsgiUnicodeToAnsiMessage(hWnd, &AnsiMsg, &UnicodeMsg))
+      UnicodeMsg.time = 0;
+      UnicodeMsg.pt.x = 0;
+      UnicodeMsg.pt.y = 0;
+       if (! MsgiUnicodeToAnsiMessage(hWnd, &AnsiMsg, &UnicodeMsg))
       {
           goto Exit;
       }
@@ -1699,6 +1705,9 @@ IntCallWindowProcA(BOOL IsAnsiProc,
       AnsiMsg.message = Msg;
       AnsiMsg.wParam = wParam;
       AnsiMsg.lParam = lParam;
+      AnsiMsg.time = 0;
+      AnsiMsg.pt.x = 0;
+      AnsiMsg.pt.y = 0;
       if (! MsgiAnsiToUnicodeMessage(hWnd, &UnicodeMsg, &AnsiMsg))
       {
           goto Exit;
@@ -2428,6 +2437,9 @@ SendMessageW(HWND Wnd,
   UMMsg.message = Msg;
   UMMsg.wParam = wParam;
   UMMsg.lParam = lParam;
+  UMMsg.time = 0;
+  UMMsg.pt.x = 0;
+  UMMsg.pt.y = 0;
 
   if (! MsgiUMToKMMessage(&UMMsg, &KMMsg, FALSE))
   {
@@ -2492,6 +2504,9 @@ SendMessageA(HWND Wnd, UINT Msg, WPARAM wParam, LPARAM lParam)
   AnsiMsg.message = Msg;
   AnsiMsg.wParam = wParam;
   AnsiMsg.lParam = lParam;
+  AnsiMsg.time = 0;
+  AnsiMsg.pt.x = 0;
+  AnsiMsg.pt.y = 0;
 
   if (!MsgiAnsiToUnicodeMessage(Wnd, &UcMsg, &AnsiMsg))
   {
@@ -2548,6 +2563,9 @@ SendMessageCallbackA(
   AnsiMsg.message = Msg;
   AnsiMsg.wParam = wParam;
   AnsiMsg.lParam = lParam;
+  AnsiMsg.time = 0;
+  AnsiMsg.pt.x = 0;
+  AnsiMsg.pt.y = 0;
 
   if (!MsgiAnsiToUnicodeMessage(hWnd, &UcMsg, &AnsiMsg))
   {
@@ -2635,6 +2653,9 @@ SendMessageTimeoutA(
   AnsiMsg.message = Msg;
   AnsiMsg.wParam = wParam;
   AnsiMsg.lParam = lParam;
+  AnsiMsg.time = 0;
+  AnsiMsg.pt.x = 0;
+  AnsiMsg.pt.y = 0;
 
   if (! MsgiAnsiToUnicodeMessage(hWnd, &UcMsg, &AnsiMsg))
   {
@@ -2728,6 +2749,9 @@ SendNotifyMessageA(
   AnsiMsg.message = Msg;
   AnsiMsg.wParam = wParam;
   AnsiMsg.lParam = lParam;
+  AnsiMsg.time = 0;
+  AnsiMsg.pt.x = 0;
+  AnsiMsg.pt.y = 0;
   if (! MsgiAnsiToUnicodeMessage(hWnd, &UcMsg, &AnsiMsg))
   {
      return FALSE;
@@ -2763,6 +2787,9 @@ SendNotifyMessageW(
   UMMsg.message = Msg;
   UMMsg.wParam = wParam;
   UMMsg.lParam = lParam;
+  UMMsg.time = 0;
+  UMMsg.pt.x = 0;
+  UMMsg.pt.y = 0;
   if (! MsgiUMToKMMessage(&UMMsg, &KMMsg, TRUE))
   {
      return FALSE;
@@ -2924,6 +2951,9 @@ User32CallWindowProcFromKernel(PVOID Arguments, ULONG ArgumentLength)
   KMMsg.hwnd = CallbackArgs->Wnd;
   KMMsg.message = CallbackArgs->Msg;
   KMMsg.wParam = CallbackArgs->wParam;
+  KMMsg.time = 0;
+  KMMsg.pt.x = 0;
+  KMMsg.pt.y = 0;
   /* Check if lParam is really a pointer and adjust it if it is */
   if (0 <= CallbackArgs->lParamBufferSize)
     {