simplify clustNode with agxbprint

diff --git a/lib/common/utils.c b/lib/common/utils.c
index e926295068045eacb2b06b289772d4a8f518a5f6..3aeac0c8f3590cd8bec996ba9f7d48fdf1087b0e 100644 (file)
--- a/lib/common/utils.c
+++ b/lib/common/utils.c
@@ -957,13 +957,8 @@ static node_t *clustNode(node_t * n, graph_t * cg, agxbuf * xb,
 {
     node_t *cn;
     static int idx = 0;
-    char num[100];
 
-    agxbput(xb, "__");
-    sprintf(num, "%d", idx++);
-    agxbput(xb, num);
-    agxbputc(xb, ':');
-    agxbput(xb, agnameof(cg));
+    agxbprint(xb, "__%d:%s", idx++, agnameof(cg));
 
     cn = agnode(agroot(cg), agxbuse(xb), 1);
     agbindrec(cn, "Agnodeinfo_t", sizeof(Agnodeinfo_t), TRUE);