+const char *transport_flags_str[] = {
+#define _(sym, str) str,
+ foreach_transport_connection_flag
+#undef _
+};
+
+u8 *
+format_transport_flags (u8 *s, va_list *args)
+{
+ transport_connection_flags_t flags;
+ int i, last = -1;
+
+ flags = va_arg (*args, transport_connection_flags_t);
+
+ for (i = 0; i < TRANSPORT_CONNECTION_N_FLAGS; i++)
+ if (flags & (1 << i))
+ last = i;
+
+ for (i = 0; i < last; i++)
+ {
+ if (flags & (1 << i))
+ s = format (s, "%s, ", transport_flags_str[i]);
+ }
+ if (last >= 0)
+ s = format (s, "%s", transport_flags_str[last]);
+
+ return s;
+}
+