include: Define FIELD_OFFSET to the standard offsetof.

e3dd01a2 · Amine Khaldi · Alexandre Julliard · 130cabbc · e3dd01a2
Commit e3dd01a2 authored Dec 10, 2012 by Amine Khaldi Committed by Alexandre Julliard Dec 11, 2012
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winnt.h include/winnt.h +1 -2

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--- a/include/winnt.h
+++ b/include/winnt.h
@@ -746,8 +746,7 @@ typedef struct _MEMORY_BASIC_INFORMATION

 #define UNICODE_STRING_MAX_CHARS 32767

-#define FIELD_OFFSET(type, field) \
-  ((LONG)(INT_PTR)&(((type *)0)->field))
+#define FIELD_OFFSET(type, field) ((LONG)offsetof(type, field))

 #define CONTAINING_RECORD(address, type, field) \
  ((type *)((PCHAR)(address) - (PCHAR)(&((type *)0)->field)))