[janderwald] 33612: - zero DISPLAY_DEVICEW struct before passing it to NtUserEnumDisplayDevices - copy string the resulting strings on success but on failure - fix 2 memory leaks in EnumDisplayMonitors - fixes a user32_winetest error

Author: janderwald
Date: Tue May 20 09:57:37 2008
New Revision: 33612

URL: http://svn.reactos.org/svn/reactos?rev=33612&view=rev
Log:
- zero DISPLAY_DEVICEW struct before passing it to NtUserEnumDisplayDevices
- copy string the resulting strings on success but on failure
- fix 2 memory leaks in EnumDisplayMonitors
- fixes a user32_winetest error

Modified:
    trunk/reactos/dll/win32/user32/misc/display.c

Modified: trunk/reactos/dll/win32/user32/misc/display.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/user32/misc/disp…
==============================================================================
--- trunk/reactos/dll/win32/user32/misc/display.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/user32/misc/display.c [iso-8859-1] Tue May 20 09:57:37 2008
@@ -62,13 +62,14 @@
       return FALSE;
     }
 
+  RtlZeroMemory(&DisplayDeviceW, sizeof(DISPLAY_DEVICEW));
   DisplayDeviceW.cb = sizeof(DISPLAY_DEVICEW);
   rc = NtUserEnumDisplayDevices (
     &Device,
     iDevNum,
     &DisplayDeviceW,
     dwFlags );
-  if (!rc)
+  if (rc)
     {
       /* Copy result from DisplayDeviceW to lpDisplayDevice */
       lpDisplayDevice->StateFlags = DisplayDeviceW.StateFlags;
@@ -169,6 +170,8 @@
   if (iCount <= 0)
     {
       /* FIXME: SetLastError() */
+      HeapFree(hHeap, 0, hMonitorList);
+      HeapFree(hHeap, 0, pRectList);
       return FALSE;
     }
 
@@ -188,7 +191,8 @@
       if (!lpfnEnum(hMonitor, hMonitorDC, pMonitorRect, dwData))
         break;
     }
-
+  HeapFree(hHeap, 0, hMonitorList);
+  HeapFree(hHeap, 0, pRectList);
   return TRUE;
 }