From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Fri, 2 Sep 2022 01:12:22 +0000 (-0700)
Subject: smyrna load_mouse_actions: fix unchecked allocation failure
X-Git-Tag: 6.0.1~13^2~19
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=63b95ef19231bb61ae64e313f58e3f80bd8eb4cd;p=graphviz

smyrna load_mouse_actions: fix unchecked allocation failure
---

diff --git a/cmd/smyrna/hotkeymap.c b/cmd/smyrna/hotkeymap.c
index b20e43ea1..c43b9e5a1 100644
--- a/cmd/smyrna/hotkeymap.c
+++ b/cmd/smyrna/hotkeymap.c
@@ -8,6 +8,7 @@
  * Contributors: Details at https://graphviz.org
  *************************************************************************/
 
+#include <cgraph/alloc.h>
 #include "hotkeymap.h"
 
 static int get_mouse_mode(const char *s)
@@ -129,10 +130,10 @@ void load_mouse_actions(ViewInfo * v)
 		|| (strlen(line) == 0))
 		continue;
 
+	    v->mouse_actions = gv_recalloc(v->mouse_actions, v->mouse_action_count,
+	                                   v->mouse_action_count + 1,
+	                                   sizeof(mouse_action_t));
 	    v->mouse_action_count++;
-	    v->mouse_actions =
-		realloc(v->mouse_actions,
-			v->mouse_action_count * sizeof(mouse_action_t));
 	    v->mouse_actions[ind].action = get_mouse_mode(a);
 	    v->mouse_actions[ind].index = i;