From e4a69299c94992551b6e431e4cbb702b2152d6bd Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Tue, 25 Jun 2024 19:56:28 -0400
Subject: avoid calling strlen() on NULL

---
 ls.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ls.c b/ls.c
index e38284b..cc98368 100644
--- a/ls.c
+++ b/ls.c
@@ -52,6 +52,8 @@
 #define SIZEWIDTH	(10)
 #define LINKWIDTH	(3)
 
+#define strlen(s) (s ? strlen(s) : 0)
+
 static enum {
 	ALPHA,
 	SIZE,
-- 
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