[jimtabor] 62609: [User32] - Patch by Javier Cantero : Fix side effect in SubtractRect(). - Sync port from wine with modifications

Author: jimtabor
Date: Fri Apr  4 14:40:51 2014
New Revision: 62609

URL: http://svn.reactos.org/svn/reactos?rev=62609&view=rev
Log:
[User32]
- Patch by Javier Cantero : Fix side effect in SubtractRect().
- Sync port from wine with modifications

Modified:
    trunk/reactos/win32ss/user/user32/windows/rect.c

Modified: trunk/reactos/win32ss/user/user32/windows/rect.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/user32/window…
==============================================================================
--- trunk/reactos/win32ss/user/user32/windows/rect.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/user32/windows/rect.c	[iso-8859-1] Fri Apr  4 14:40:51
2014
@@ -193,16 +193,20 @@
     if(lprcDst == NULL || lprcSrc1 == NULL || lprcSrc2 == NULL)
         return(FALSE);
 
-    CopyRect(lprcDst, lprcSrc1);
-
     if(!IntersectRect(&tempRect, lprcSrc1, lprcSrc2))
+    {
+        *lprcDst = *lprcSrc1;
         return(TRUE);
-
-    if (EqualRect(&tempRect, lprcDst))
+    }
+
+    if (EqualRect(&tempRect, lprcSrc1))
     {
         SetRectEmpty(lprcDst);
         return FALSE;
     }
+
+    *lprcDst = *lprcSrc1;
+
     if(lprcDst->top == tempRect.top && lprcDst->bottom == tempRect.bottom)
     {
         if(lprcDst->left == tempRect.left)