use offsetof macro to make scan-build happy

[project/libnl-tiny.git] / include / netlink / list.h

diff --git a/include/netlink/list.h b/include/netlink/list.h
index c6876a77f76c287cc3fbe37ec7c902ccddd517c0..6eae2160327ae41ae4e60d7a176d73dd5b3974e0 100644 (file)
--- a/include/netlink/list.h
+++ b/include/netlink/list.h
@@ -12,6 +12,8 @@
 #ifndef NETLINK_LIST_H_
 #define NETLINK_LIST_H_
 
+#include <stddef.h>
+
 struct nl_list_head
 {
        struct nl_list_head *   next;
@@ -54,7 +56,7 @@ static inline int nl_list_empty(struct nl_list_head *head)
 
 #define nl_container_of(ptr, type, member) ({                  \
         const typeof( ((type *)0)->member ) *__mptr = (ptr);   \
-        (type *)( (char *)__mptr - ((size_t) &((type *)0)->member));})
+        (type *) ((char *) __mptr - (offsetof(type, member)));})
 
 #define nl_list_entry(ptr, type, member) \
        nl_container_of(ptr, type, member)