[janderwald] 22178: forgot header in last commit bug report(1455) & patch by w3seek

Author: janderwald
Date: Fri Jun  2 18:08:22 2006
New Revision: 22178

URL: http://svn.reactos.ru/svn/reactos?rev=22178&view=rev
Log:
forgot header in last commit
bug report(1455) & patch by w3seek

Modified:
    trunk/reactos/include/reactos/probe.h

Modified: trunk/reactos/include/reactos/probe.h
URL:
http://svn.reactos.ru/svn/reactos/trunk/reactos/include/reactos/probe.h?rev…
==============================================================================
--- trunk/reactos/include/reactos/probe.h (original)
+++ trunk/reactos/include/reactos/probe.h Fri Jun  2 18:08:22 2006
@@ -73,6 +73,15 @@
 #define ProbeForReadLargeInteger(Ptr) ProbeForReadGenericType(Ptr, LARGE_INTEGER,
__emptyLargeInteger)
 #define ProbeForReadUlargeInteger(Ptr) ProbeForReadGenericType(Ptr, ULARGE_INTEGER,
__emptyULargeInteger)
 #define ProbeForReadUnicodeString(Ptr) ProbeForReadGenericType(Ptr, UNICODE_STRING,
__emptyUnicodeString)
+
+#define ProbeAndZeroHandle(Ptr) \
+    do {                                                                       \
+        if ((ULONG_PTR)(Ptr) + sizeof(HANDLE) - 1 < (ULONG_PTR)(Ptr) ||        \
+            (ULONG_PTR)(Ptr) + sizeof(HANDLE) - 1 >= (ULONG_PTR)MmUserProbeAddress) {
\
+            RtlRaiseStatus (STATUS_ACCESS_VIOLATION);                          \
+        }                                                                      \
+        *(volatile HANDLE *)(Ptr) = NULL;                                      \
+    } while (0)
 
 /*
  * Inlined Probing Macros