From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Fri, 2 Sep 2022 00:58:17 +0000 (-0700)
Subject: smyrna combineCallback: fix unchecked allocation failure
X-Git-Tag: 6.0.1~13^2~23
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dae5c2f10926b836eca2598c4fd8c2ff3f52b5fd;p=graphviz

smyrna combineCallback: fix unchecked allocation failure
---

diff --git a/cmd/smyrna/polytess.c b/cmd/smyrna/polytess.c
index ec9796818..de84563d4 100644
--- a/cmd/smyrna/polytess.c
+++ b/cmd/smyrna/polytess.c
@@ -9,6 +9,7 @@
  *************************************************************************/
 
 #include "polytess.h"
+#include <cgraph/alloc.h>
 #include <stddef.h>
 #include <xdot/xdot.h>
 tessPoly TP;
@@ -21,9 +22,8 @@ static void CALLBACK combineCallback(GLdouble coords[3], GLdouble *vertex_data[4
     (void)vertex_data;
     (void)weight;
 
-    GLdouble *vertex;
     int i;
-    vertex = malloc(6 * sizeof(GLdouble));
+    GLdouble *vertex = gv_calloc(6, sizeof(GLdouble));
     vertex[0] = coords[0];
     vertex[1] = coords[1];
     vertex[2] = coords[2];