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/* Report if graph has non-hierarchical clusters */
BEGIN {
graph_t c[node_t];
node_t n;
void proc (graph_t h, graph_t p, graph_t g)
{
if (h.name == "cluster*") {
for (n = fstnode(h); n; n = nxtnode_sg(h,n)) {
g = c[n];
if (g) {
if (g != p) {
printf(2,"node %s in %s and %s\n", n.name, h.name, g.name);
exit(1);
}
}
c[n] = h;
}
p = h;
}
for (g = fstsubg(h); g; g = nxtsubg(g)) {
proc(g,p,NULL);
}
}
}
BEG_G {
proc($,$,NULL);
}