gvgen makeTreeGen: fix unchecked allocation

diff --git a/cmd/tools/graph_generator.c b/cmd/tools/graph_generator.c
index d8756de7ef2e54fd7d165ca10573467f9f95dc8d..5fb5d93b49281d486489a19af1d0b85e79e221ea 100644 (file)
--- a/cmd/tools/graph_generator.c
+++ b/cmd/tools/graph_generator.c
@@ -289,8 +289,6 @@ constructSierpinski(int v1, int v2, int v3, int depth, vtx_data* graph)
 
 }
 
-#define NEW(t)           calloc((1),sizeof(t))
-
 void makeSierpinski(int depth, edgefn ef)
 {
     vtx_data* graph;
@@ -743,7 +741,7 @@ struct treegen_s {
 treegen_t* 
 makeTreeGen (int N)
 {
-    treegen_t* tg = NEW(treegen_t);
+    treegen_t* tg = gv_alloc(sizeof(treegen_t));
 
     tg->N = N;
     tg->T = genCnt(N);