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lib: Handle vararg in graph pretty-print
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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78602b8029
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b84f1d850a
@ -251,7 +251,13 @@ pretty_print_graph (struct graph_node *start, int level)
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if (vector_active (start->children))
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{
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if (vector_active (start->children) == 1)
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pretty_print_graph (vector_slot (start->children, 0), level);
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{
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struct graph_node *child = vector_slot (start->children, 0);
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if (child == start)
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fprintf (stdout, "*");
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else
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pretty_print_graph (vector_slot (start->children, 0), level);
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}
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else
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{
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fprintf(stdout, "\n");
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@ -260,7 +266,10 @@ pretty_print_graph (struct graph_node *start, int level)
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struct graph_node *r = vector_slot (start->children, i);
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for (int j = 0; j < level+1; j++)
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fprintf (stdout, " ");
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pretty_print_graph (r, level+1);
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if (r == start)
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fprintf (stdout, "*");
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else
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pretty_print_graph (r, level+1);
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}
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}
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}
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