git.ozlabs.org Git - ccan/blob - ccan/aga/test/trivial.c

   1 #include "config.h"
   2
   3 #include <assert.h>
   4
   5 #include <ccan/container_of/container_of.h>
   6
   7 #include <ccan/aga/aga.h>
   8
   9 #include "simple-graph.h"
  10
  11 static const void *trivial_first_edge(const struct aga_graph *g,
  12                                       const struct aga_node *node)
  13 {
  14         struct trivial_graph *tg = container_of(g, struct trivial_graph, sg.g);
  15
  16         assert(node == &tg->sg.nodes[1]);
  17         return NULL;
  18 }
  19
  20 static const void *trivial_next_edge(const struct aga_graph *g,
  21                                      const struct aga_node *node,
  22                                      const void *edge)
  23 {
  24         assert(0);
  25 }
  26
  27 static int trivial_edge_info(const struct aga_graph *g,
  28                              const struct aga_node *node,
  29                              const void *edge,
  30                              struct aga_edge_info *ei)
  31 {
  32         assert(0);
  33 }
  34
  35 void trivial_graph_init(struct trivial_graph *tg)
  36 {
  37         simple_graph_init(&tg->sg, trivial_first_edge, trivial_next_edge,
  38                           trivial_edge_info);
  39 }