win32u: Use syscall interface for NtUserGetRawInputBuffer.

dlls/win32u/gdiobj.c

@@ -1184,7 +1184,6 @@ static struct unix_funcs unix_funcs =
     NtUserGetMessage,
     NtUserGetPriorityClipboardFormat,
     NtUserGetQueueStatus,
-    NtUserGetRawInputBuffer,
     NtUserGetSystemMenu,
     NtUserGetUpdateRect,
     NtUserGetUpdateRgn,

dlls/win32u/syscall.c

@@ -145,6 +145,7 @@ static void * const syscalls[] =
     NtUserGetProcessDpiAwarenessContext,
     NtUserGetProcessWindowStation,
     NtUserGetProp,
+    NtUserGetRawInputBuffer,
     NtUserGetRawInputData,
     NtUserGetSystemDpiForProcess,
     NtUserGetThreadDesktop,

dlls/win32u/win32u.spec

@@ -983,7 +983,7 @@
 @ stdcall -syscall NtUserGetProp(long wstr)
 @ stdcall NtUserGetQueueStatus(long)
 @ stub NtUserGetQueueStatusReadonly
-@ stdcall NtUserGetRawInputBuffer(ptr ptr long)
+@ stdcall -syscall NtUserGetRawInputBuffer(ptr ptr long)
 @ stdcall -syscall NtUserGetRawInputData(ptr long ptr ptr long)
 @ stub NtUserGetRawInputDeviceInfo
 @ stub NtUserGetRawInputDeviceList

dlls/win32u/win32u_private.h

@@ -248,7 +248,6 @@ struct unix_funcs
     BOOL     (WINAPI *pNtUserGetMessage)( MSG *msg, HWND hwnd, UINT first, UINT last );
     INT      (WINAPI *pNtUserGetPriorityClipboardFormat)( UINT *list, INT count );
     DWORD    (WINAPI *pNtUserGetQueueStatus)( UINT flags );
-    UINT     (WINAPI *pNtUserGetRawInputBuffer)( RAWINPUT *data, UINT *data_size, UINT header_size );
     HMENU    (WINAPI *pNtUserGetSystemMenu)( HWND hwnd, BOOL revert );
     BOOL     (WINAPI *pNtUserGetUpdateRect)( HWND hwnd, RECT *rect, BOOL erase );
     INT      (WINAPI *pNtUserGetUpdateRgn)( HWND hwnd, HRGN hrgn, BOOL erase );

dlls/win32u/wrappers.c

@@ -1048,12 +1048,6 @@ DWORD WINAPI NtUserGetQueueStatus( UINT flags )
     return unix_funcs->pNtUserGetQueueStatus( flags );
 }
 
-UINT WINAPI DECLSPEC_HOTPATCH NtUserGetRawInputBuffer( RAWINPUT *data, UINT *data_size, UINT header_size )
-{
-    if (!unix_funcs) return ~0u;
-    return unix_funcs->pNtUserGetRawInputBuffer( data, data_size, header_size );
-}
-
 BOOL WINAPI NtUserGetUpdatedClipboardFormats( UINT *formats, UINT size, UINT *out_size )
 {
     if (!unix_funcs) return FALSE;

dlls/wow64win/syscall.h

@@ -132,6 +132,7 @@
     SYSCALL_ENTRY( NtUserGetProcessDpiAwarenessContext ) \
     SYSCALL_ENTRY( NtUserGetProcessWindowStation ) \
     SYSCALL_ENTRY( NtUserGetProp ) \
+    SYSCALL_ENTRY( NtUserGetRawInputBuffer ) \
     SYSCALL_ENTRY( NtUserGetRawInputData ) \
     SYSCALL_ENTRY( NtUserGetSystemDpiForProcess ) \
     SYSCALL_ENTRY( NtUserGetThreadDesktop ) \

dlls/wow64win/user.c

@@ -957,3 +957,21 @@ NTSTATUS WINAPI wow64_NtUserGetRawInputData( UINT *args )
         return ~0u;
     }
 }
+
+NTSTATUS WINAPI wow64_NtUserGetRawInputBuffer( UINT *args )
+{
+    RAWINPUT *data = get_ptr( &args );
+    UINT *data_size = get_ptr( &args );
+    UINT header_size = get_ulong( &args );
+
+    if (header_size != sizeof(RAWINPUTHEADER32))
+    {
+        SetLastError( ERROR_INVALID_PARAMETER );
+        return ~0u;
+    }
+
+    /* RAWINPUT has different sizes on 32-bit and 64-bit, but no translation is
+     * done. The function actually returns different structures depending on
+     * whether it's operating under WoW64 or not. */
+    return NtUserGetRawInputBuffer( data, data_size, sizeof(RAWINPUTHEADER) );
+}