comctl32: Fix the TAB_ITEM_SIZE macro.

2c620c82 · Thomas Weidenmueller · Alexandre Julliard · 8ec3423e · 2c620c82
Commit 2c620c82 authored Jan 27, 2007 by Thomas Weidenmueller Committed by Alexandre Julliard Feb 05, 2007
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tab.c dlls/comctl32/tab.c +1 -1

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--- a/dlls/comctl32/tab.c
+++ b/dlls/comctl32/tab.c
@@ -96,7 +96,7 @@ typedef struct
 } TAB_ITEM;
 /* The size of a tab item depends on how much extra data is requested */
-#define TAB_ITEM_SIZE(infoPtr) (sizeof(TAB_ITEM) - sizeof(BYTE) + infoPtr->cbInfo)
+#define TAB_ITEM_SIZE(infoPtr) (FIELD_OFFSET(TAB_ITEM, extra[(infoPtr)->cbInfo]))
 typedef struct
 {