dotgen constraining_flat_edge: remove unused 'v' parameter

diff --git a/lib/dotgen/mincross.c b/lib/dotgen/mincross.c
index 89557aa64573bd6144d3171ce1297fa8b9637277..af39f0a0bb671a2e585d9f2703b3a5f332bfb561 100644 (file)
--- a/lib/dotgen/mincross.c
+++ b/lib/dotgen/mincross.c
@@ -1438,8 +1438,7 @@ void enqueue_neighbors(nodequeue * q, node_t * n0, int pass)
     }
 }
 
-static int constraining_flat_edge(Agraph_t *g, Agnode_t *v, Agedge_t *e)
-{
+static int constraining_flat_edge(Agraph_t *g, Agedge_t *e) {
        if (ED_weight(e) == 0) return FALSE;
        if (!inside_cluster(g,agtail(e))) return FALSE;
        if (!inside_cluster(g,aghead(e))) return FALSE;
@@ -1458,7 +1457,7 @@ static int postorder(graph_t * g, node_t * v, node_t ** list, int r)
     MARK(v) = TRUE;
     if (ND_flat_out(v).size > 0) {
        for (i = 0; (e = ND_flat_out(v).list[i]); i++) {
-           if (!constraining_flat_edge(g,v,e)) continue;
+           if (!constraining_flat_edge(g, e)) continue;
            if (!MARK(aghead(e)))
                cnt += postorder(g, aghead(e), list + cnt, r);
        }
@@ -1493,11 +1492,11 @@ static void flat_reorder(graph_t * g)
            local_in_cnt = local_out_cnt = 0;
            for (j = 0; j < ND_flat_in(v).size; j++) {
                flat_e = ND_flat_in(v).list[j];
-               if (constraining_flat_edge(g,v,flat_e)) local_in_cnt++;
+               if (constraining_flat_edge(g, flat_e)) local_in_cnt++;
            }
            for (j = 0; j < ND_flat_out(v).size; j++) {
                flat_e = ND_flat_out(v).list[j];
-               if (constraining_flat_edge(g,v,flat_e)) local_out_cnt++;
+               if (constraining_flat_edge(g, flat_e)) local_out_cnt++;
            }
            if ((local_in_cnt == 0) && (local_out_cnt == 0))
                temprank[pos++] = v;
@@ -1534,7 +1533,7 @@ static void flat_reorder(graph_t * g)
                    for (j = 0; (e = ND_flat_out(v).list[j]); j++) {
                        if ( (!GD_flip(g) && ND_order(aghead(e)) < ND_order(agtail(e))) ||
                                 ( (GD_flip(g)) && (ND_order(aghead(e)) > ND_order(agtail(e)) ))) {
-                           assert(!constraining_flat_edge(g,v,e));
+                           assert(!constraining_flat_edge(g, e));
                            delete_flat_edge(e);
                            j--;
                            flat_rev(g, e);