Changes in kernel/generic/include/adt/list.h [9d58539:a74d0ad] in mainline

File:

• kernel/generic/include/adt/list.h (modified) (3 diffs)

kernel/generic/include/adt/list.h

@@ -1 +1 @@
 /*
  * Copyright (c) 2001-2004 Jakub Jermar
- * Copyright (c) 2011 Jiri Svoboda
+ * Copyright (c) 2013 Jiri Svoboda
  * All rights reserved.
  *
@@ -65 +65 @@
 
 #define list_get_instance(link, type, member) \
-        ((type *) (((void *)(link)) - ((void *) &(((type *) NULL)->member))))
+        ((type *) (((void *)(link)) - list_link_to_void(&(((type *) NULL)->member))))
 
 #define list_foreach(list, iterator) \
@@ -281 +281 @@
 }
 
+/** Verify that argument type is a pointer to link_t (at compile time).
+ *
+ * This can be used to check argument type in a macro.
+ */
+static inline const void *list_link_to_void(const link_t *link)
+{
+        return link;
+}
+
 extern int list_member(const link_t *, const list_t *);
 extern void list_concat(list_t *, list_t *);