Commit b43f13f8 authored by Sebastian Lackner's avatar Sebastian Lackner Committed by Alexandre Julliard

user32: Fix invalid argument passed to ExtCreateRegion.

parent 7796661b
......@@ -139,7 +139,7 @@ static void update_visible_region( struct dce *dce )
data->rdh.iType = RDH_RECTANGLES;
data->rdh.nCount = reply_size / sizeof(RECT);
data->rdh.nRgnSize = reply_size;
vis_rgn = ExtCreateRegion( NULL, size, data );
vis_rgn = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
top_win = wine_server_ptr_handle( reply->top_win );
win_rect.left = reply->win_rect.left;
......@@ -557,7 +557,7 @@ static HRGN get_update_region( HWND hwnd, UINT *flags, HWND *child )
data->rdh.iType = RDH_RECTANGLES;
data->rdh.nCount = reply_size / sizeof(RECT);
data->rdh.nRgnSize = reply_size;
hrgn = ExtCreateRegion( NULL, size, data );
hrgn = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
if (child) *child = wine_server_ptr_handle( reply->child );
*flags = reply->flags;
}
......
......@@ -131,7 +131,7 @@ int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
data->rdh.iType = RDH_RECTANGLES;
data->rdh.nCount = reply_size / sizeof(RECT);
data->rdh.nRgnSize = reply_size;
win_rgn = ExtCreateRegion( NULL, size, data );
win_rgn = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
}
}
else size = reply->total_size;
......@@ -532,7 +532,7 @@ void map_window_region( HWND from, HWND to, HRGN hrgn )
rect[i].top += offset.y;
rect[i].bottom += offset.y;
}
if ((new_rgn = ExtCreateRegion( NULL, data->rdh.nCount, data )))
if ((new_rgn = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data )))
{
CombineRgn( hrgn, new_rgn, 0, RGN_COPY );
DeleteObject( new_rgn );
......@@ -2018,7 +2018,7 @@ static void update_surface_region( HWND hwnd )
data->rdh.iType = RDH_RECTANGLES;
data->rdh.nCount = reply_size / sizeof(RECT);
data->rdh.nRgnSize = reply_size;
region = ExtCreateRegion( NULL, size, data );
region = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
OffsetRgn( region, -reply->visible_rect.left, -reply->visible_rect.top );
}
}
......
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