[PATCH 04/10] winex11: Wrap x11drv_dnd_drop_event params in a struct.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/winex11.drv/event.c   | 4 ++--
 dlls/winex11.drv/unixlib.h | 6 ++++++
 dlls/winex11.drv/xdnd.c    | 3 ++-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/dlls/winex11.drv/event.c b/dlls/winex11.drv/event.c
index e7cc3855c2d..7e40106122b 100644
--- a/dlls/winex11.drv/event.c
+++ b/dlls/winex11.drv/event.c
@@ -1779,13 +1779,13 @@ static void handle_xdnd_position_event( HWND hwnd, XClientMessageEvent *event )

static void handle_xdnd_drop_event( HWND hwnd, XClientMessageEvent *event )
 {
+    struct dnd_drop_event_params params = {.hwnd = HandleToULong(hwnd)};
     XClientMessageEvent e;
     void *ret_ptr;
     ULONG ret_len;
-    ULONG arg = HandleToUlong( hwnd );
     UINT effect;

-    if (KeUserModeCallback( client_func_dnd_drop_event, &arg, sizeof(arg),
+    if (KeUserModeCallback( client_func_dnd_drop_event, &params, sizeof(params),
                             &ret_ptr, &ret_len ) || ret_len != sizeof(effect))
         return;
     effect = *(UINT *)ret_ptr;
diff --git a/dlls/winex11.drv/unixlib.h b/dlls/winex11.drv/unixlib.h
index 0be0d5dae86..79c959912b8 100644
--- a/dlls/winex11.drv/unixlib.h
+++ b/dlls/winex11.drv/unixlib.h
@@ -80,3 +80,9 @@ struct dnd_position_event_params
     POINT point;
     DWORD effect;
 };
+
+/* x11drv_dnd_drop_event params */
+struct dnd_drop_event_params
+{
+    ULONG hwnd;
+};
diff --git a/dlls/winex11.drv/xdnd.c b/dlls/winex11.drv/xdnd.c
index 1d3171538cb..bd2e6158c8b 100644
--- a/dlls/winex11.drv/xdnd.c
+++ b/dlls/winex11.drv/xdnd.c
@@ -254,7 +254,8 @@ NTSTATUS WINAPI x11drv_dnd_position_event( void *arg, ULONG size )

NTSTATUS WINAPI x11drv_dnd_drop_event( void *args, ULONG size )
 {
-    HWND hwnd = UlongToHandle( *(ULONG *)args );
+    struct dnd_drop_event_params *params = args;
+    HWND hwnd = UlongToHandle( params->hwnd );
     IDropTarget *dropTarget;
     DWORD effect = XDNDDropEffect;
     int accept = 0; /* Assume we're not accepting */