include: Use offsetof() instead of open coding it.

Signed-off-by: Michael Stefaniuc <mstefani@winehq.org> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

include: Use offsetof() instead of open coding it.
fd578822 · Michael Stefaniuc · Alexandre Julliard · 5b4f8a38 · fd578822
Commit fd578822 authored Mar 21, 2017 by Michael Stefaniuc Committed by Alexandre Julliard Mar 22, 2017
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wintrust.h include/wintrust.h +1 -1

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--- a/include/wintrust.h
+++ b/include/wintrust.h
@@ -429,7 +429,7 @@ typedef struct _CRYPT_PROVUI_FUNCS {

 #include <poppack.h>

-#define WVT_OFFSETOF(t,f)     ((ULONG)((ULONG_PTR)(&((t*)0)->f)))
+#define WVT_OFFSETOF(t,f)     ((ULONG)(offsetof(t, f)))
 #define WVT_ISINSTRUCT(t,s,f) (WVT_OFFSETOF(t,f) + sizeof(((t*)0)->f) <= (s))
 #define WVT_IS_CBSTRUCT_GT_MEMBEROFFSET(t,s,f) WVT_ISINSTRUCT(t,s,f)