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lib: Handle vararg in graph pretty-print

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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2016-08-09 22:23:17 +00:00
parent 78602b8029
commit b84f1d850a
1 changed files with 11 additions and 2 deletions
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13
lib/grammar_sandbox.c
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@ -251,7 +251,13 @@ pretty_print_graph (struct graph_node *start, int level)
if (vector_active (start->children)) if (vector_active (start->children))
{ {
if (vector_active (start->children) == 1) if (vector_active (start->children) == 1)
pretty_print_graph (vector_slot (start->children, 0), level); {
struct graph_node *child = vector_slot (start->children, 0);
if (child == start)
fprintf (stdout, "*");
else
pretty_print_graph (vector_slot (start->children, 0), level);
}
else else
{ {
fprintf(stdout, "\n"); fprintf(stdout, "\n");
@ -260,7 +266,10 @@ pretty_print_graph (struct graph_node *start, int level)
struct graph_node *r = vector_slot (start->children, i); struct graph_node *r = vector_slot (start->children, i);
for (int j = 0; j < level+1; j++) for (int j = 0; j < level+1; j++)
fprintf (stdout, " "); fprintf (stdout, " ");
pretty_print_graph (r, level+1); if (r == start)
fprintf (stdout, "*");
else
pretty_print_graph (r, level+1);
} }
} }
} }