From a2512fa639d23c62104e38e2e125f538c325fc72 Mon Sep 17 00:00:00 2001
From: John Darrington <john@cellform.com>
Date: Sun, 26 Feb 2023 11:21:24 +0100
Subject: [PATCH] Avoid another possible null pointer dereference

* modified:   tests/output/tex-strings.c
---
 tests/output/tex-strings.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/output/tex-strings.c b/tests/output/tex-strings.c
index 71aed14307..acc2479ce4 100644
--- a/tests/output/tex-strings.c
+++ b/tests/output/tex-strings.c
@@ -108,7 +108,7 @@ main (int argc, char **argv)
         }
     }
 
-  if (optind >= argc)
+  if (!outfile || optind >= argc)
     {
       fprintf (stderr, "Usage: tex-strings  -o <outfile> <infile1> <infile2> ... <infileN>\n");
       return 1;
-- 
2.30.2