pkarashchenko commented on code in PR #8864:
URL: https://github.com/apache/nuttx/pull/8864#discussion_r1161699334
##########
net/netlink/netlink.h:
##########
@@ -44,11 +44,142 @@
****************************************************************************/
#ifndef CONFIG_NETLINK_ROUTE
- #define netlink_device_notify(dev)
+# define netlink_device_notify(dev)
+# define netlink_device_notify_ipaddr(dev, type, domain)
#endif
#ifdef CONFIG_NET_NETLINK
+/**
+ * nla_for_each_attr - iterate over a stream of attributes
+ * @pos: loop counter, set to current attribute
+ * @head: head of attribute stream
+ * @len: length of attribute stream
+ * @rem: initialized to len, holds bytes currently remaining in stream
+ */
+
+#define nla_for_each_attr(pos, head, len, rem) \
+ for (pos = head, rem = len; nla_ok(pos, rem); \
+ pos = nla_next(pos, &(rem)))
+
+/* Always use this macro, this allows later putting the
+ * message into a separate section or such for things
+ * like translation or listing all possible messages.
+ * Currently string formatting is not supported (due
+ * to the lack of an output buffer.)
+ */
+
+#define nl_set_err_msg_attr(extack, attr, msg) \
+ do \
+ { \
+ static const char __msg[] = msg; \
Review Comment:
```suggestion
static const char __msg[] = (msg); \
```
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