sacc

commit 74476b5fc0dff8d472e79c81c6a56ca1390fdf45
parent 45cf7e58579237078acd46c5e3139269e1105f66
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Thu, 13 Jul 2017 16:17:37 +0200

clearitem: prevent NULL dereference

Diffstat:
sacc.c
 | 
7
+++++--

1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/sacc.c b/sacc.c
@@ -95,11 +95,14 @@ usage(void)
 static void
 clearitem(Item *item)
 {
-	Dir *dir = item->dat;
+	Dir *dir;
 	Item **items;
 	size_t i;
 
-	if (dir) {
+	if (!item)
+		return;
+
+	if (dir = item->dat) {
 		items = dir->items;
 		for (i = 0; i < dir->nitems; ++i) {
 			clearitem(items[i]);