- Add msvc compatible version of ProveForRead(U)LargeInteger

[reactos.git] / reactos / ntoskrnl / include / internal / ntoskrnl.h

diff --git a/reactos/ntoskrnl/include/internal/ntoskrnl.h b/reactos/ntoskrnl/include/internal/ntoskrnl.h
index f66a91d..bdd3b0a 100644 (file)
--- a/reactos/ntoskrnl/include/internal/ntoskrnl.h
+++ b/reactos/ntoskrnl/include/internal/ntoskrnl.h
@@ -136,8 +136,13 @@ static const UNICODE_STRING __emptyUnicodeString = {0};
 #define ProbeForReadPointer(Ptr) ProbeForReadGenericType(Ptr, PVOID, NULL)
 #define ProbeForReadHandle(Ptr) ProbeForReadGenericType(Ptr, HANDLE, NULL)
 #define ProbeForReadLangid(Ptr) ProbeForReadGenericType(Ptr, LANGID, 0)
+#ifdef _MSC_VER
+#define ProbeForReadLargeInteger(Ptr) (*(volatile LARGE_INTEGER*)ProbeForReadGenericType(&(Ptr)->QuadPart, LONGLONG, 0))
+#define ProbeForReadUlargeInteger(Ptr) (*(volatile ULARGE_INTEGER*)ProbeForReadGenericType(&(Ptr)->QuadPart, ULONGLONG, 0))
+#else
 #define ProbeForReadLargeInteger(Ptr) ((LARGE_INTEGER)ProbeForReadGenericType(&(Ptr)->QuadPart, LONGLONG, 0))
 #define ProbeForReadUlargeInteger(Ptr) ((ULARGE_INTEGER)ProbeForReadGenericType(&(Ptr)->QuadPart, ULONGLONG, 0))
+#endif
 #define ProbeForReadUnicodeString(Ptr) ProbeForReadGenericType(Ptr, UNICODE_STRING, __emptyUnicodeString)
 
 /*