From d410d33931f668b2d7a7c8ca5d2ccb82c850ab76 Mon Sep 17 00:00:00 2001
From: "Richard M. Stallman" <rms@gnu.org>
Date: Tue, 17 May 1994 19:12:55 +0000
Subject: [PATCH] (main): Avoid crash if argc is 1.

---
 lib-src/b2m.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib-src/b2m.c b/lib-src/b2m.c
index 2e321a1b1b7..46485946c02 100644
--- a/lib-src/b2m.c
+++ b/lib-src/b2m.c
@@ -50,7 +50,7 @@ main (argc, argv)
   (stdout)->_flag &= ~_IOTEXT;
   (stdin)->_flag &= ~_IOTEXT;
 #endif
-  if (strcmp (argv[1], "--help") == 0)
+  if (argc >= 2 && strcmp (argv[1], "--help") == 0)
     {
       fprintf (stderr, "Usage: %s <babylmailbox >unixmailbox\n", argv[0]);
       exit (0);
-- 
2.39.5