[PATCH 1/5] include: Add NTSTATUS severity macros.

[Zebediah Figura]

Signed-off-by: Zebediah Figura 
---
 include/ntdef.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/ntdef.h b/include/ntdef.h
index 83ecffd608..014102ac74 100644
--- a/include/ntdef.h
+++ b/include/ntdef.h
@@ -43,4 +43,9 @@ typedef enum _WAIT_TYPE {
 }
 #endif

+#define NT_SUCCESS(status)      (((NTSTATUS)(status)) >= 0)
+#define NT_INFORMATION(status)  ((((NTSTATUS)(status)) & 0xc0000000) == 0x40000000)
+#define NT_WARNING(status)      ((((NTSTATUS)(status)) & 0xc0000000) == 0x80000000)
+#define NT_ERROR(status)        ((((NTSTATUS)(status)) & 0xc0000000) == 0xc0000000)
+
 #endif /* _NTDEF_ */