- }
- }
-}
-
-/* Dump nodes and edges to a graphviz file.
-
- The file can be converted to an image with
- dot -Tpng graph_filename -o image_filename.png -Gconcentrate=true
-*/
-
-int dump_graph(struct evbuffer *out) {
- splay_node_t *node;
- node_t *n;
- edge_t *e;
-
- if(evbuffer_add_printf(out, "digraph {\n") == -1)
- return errno;
-
- /* dump all nodes first */
- for(node = node_tree->head; node; node = node->next) {
- n = node->data;
- if(evbuffer_add_printf(out, " %s [label = \"%s\"];\n",
- n->name, n->name) == -1)
- return errno;
- }