Changeset 16432 in vbox

Timestamp:

Jan 30, 2009 6:18:20 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

42298

Message:

iprt/cdefs.h: Added RT_UOFFSETOF_ADD and RT_OFFSETOF_ADD to work around g++ static initializers.

File:

• trunk/include/iprt/cdefs.h (modified) (1 diff)

trunk/include/iprt/cdefs.h

@@ -955 +955 @@
  */
 #define RT_UOFFSETOF(type, member)   ( (uintptr_t)&( ((type *)(void *)0)->member) )
+
+/** @def RT_OFFSETOF_ADD
+ * RT_OFFSETOF with an addend.
+ *
+ * @returns offset into the structure of the specified member. signed.
+ * @param   type    Structure type.
+ * @param   member  Member.
+ * @param   addend  The addend to add to the offset.
+ */
+#define RT_OFFSETOF_ADD(type, member, addend)   ( (int)RT_UOFFSETOF_ADD(type, member, addend) )
+
+/** @def RT_UOFFSETOF_ADD
+ * RT_UOFFSETOF with an addend.
+ *
+ * @returns offset into the structure of the specified member. signed.
+ * @param   type    Structure type.
+ * @param   member  Member.
+ * @param   addend  The addend to add to the offset.
+ */
+#define RT_UOFFSETOF_ADD(type, member, addend)   ( (uintptr_t)&( ((type *)(void *)(uintptr_t)(addend))->member) )
 
 /** @def RT_SIZEOFMEMB