1 files changed, 41 insertions, 0 deletions
diff --git a/python/netlink/utils.h b/python/netlink/utils.h
new file mode 100644
index 00000000..7836c307
--- /dev/null
+++ b/python/netlink/utils.h
@@ -0,0 +1,41 @@
+struct list_head {
+	struct list_head *next;
+};
+
+#define LIST_HEAD(name) \
+	struct list_head name = { &(name) }
+
+static inline int list_empty(const struct list_head *head)
+{
+	return head->next == head;
+}
+
+static inline void list_add(struct list_head *new, struct list_head *head)
+{
+	new->next = head->next;
+	head->next = new;
+}
+
+static inline void list_del(struct list_head *entry, struct list_head *prev)
+{
+	prev->next = entry->next;
+	entry->next = entry;
+}
+
+#define list_for_each_safe(pos, n, head) \
+	for (n = (head), pos = (head)->next; pos != (head); \
+	     n = pos, pos = n->next)
+
+#undef offsetof
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+
+#define container_of(ptr, type, member) ({			\
+	const typeof( ((type *)0)->member ) *__mptr = (ptr);	\
+	(type *)( (char *)__mptr - offsetof(type,member) );})
+
+#ifdef DEBUG
+#define pynl_dbg(fmt, ...) \
+	fprintf(stderr, "%s: " fmt, __func__, __VA_ARGS__)
+#else
+#define pynl_dbg(fmt, ...)
+#endif