+
+/* Returns a string that describes some of 'b''s metadata plus a hex dump of up
+ * to 'maxbytes' from the start of the buffer. */
+char *
+ofpbuf_to_string(const struct ofpbuf *b, size_t maxbytes)
+{
+ struct ds s;
+
+ ds_init(&s);
+ ds_put_format(&s, "size=%zu, allocated=%zu, head=%zu, tail=%zu\n",
+ b->size, b->allocated,
+ ofpbuf_headroom(b), ofpbuf_tailroom(b));
+ ds_put_hex_dump(&s, b->data, MIN(b->size, maxbytes), 0, false);
+ return ds_cstr(&s);
+}
+
+/* Removes each of the "struct ofpbuf"s on 'list' from the list and frees
+ * them. */
+void
+ofpbuf_list_delete(struct list *list)
+{
+ struct ofpbuf *b, *next;
+
+ LIST_FOR_EACH_SAFE (b, next, list_node, list) {
+ list_remove(&b->list_node);
+ ofpbuf_delete(b);
+ }
+}