Change the color of arrows leading to sink nodes to dark orange. Remove the node oval shape around the sink nodes and make their text dark orange. This results in a much more readable output for large graphs. See the link below for an example.
Link: https://f.jarry.cc/rte-graph-dot/ipv6.svg Signed-off-by: Robin Jarry <rja...@redhat.com> --- lib/graph/graph.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/lib/graph/graph.c b/lib/graph/graph.c index d5b8c9f918cf..dff8e690a80d 100644 --- a/lib/graph/graph.c +++ b/lib/graph/graph.c @@ -745,7 +745,7 @@ graph_to_dot(FILE *f, struct graph *graph) if (rc < 0) goto end; } else if (graph_node->node->nb_edges == 0) { - rc = fprintf(f, " [color=darkorange]"); + rc = fprintf(f, " [fontcolor=darkorange shape=plain]"); if (rc < 0) goto end; } @@ -753,9 +753,12 @@ graph_to_dot(FILE *f, struct graph *graph) if (rc < 0) goto end; for (i = 0; i < graph_node->node->nb_edges; i++) { + const char *node_attrs = attrs; + if (graph_node->adjacency_list[i]->node->nb_edges == 0) + node_attrs = " [color=darkorange]"; rc = fprintf(f, "\t\"%s\" -> \"%s\"%s;\n", node_name, graph_node->adjacency_list[i]->node->name, - attrs); + node_attrs); if (rc < 0) goto end; } -- 2.46.0
