From 26a8bcfb8d95e0a7c9e08884deeb96b61b2ff22a Mon Sep 17 00:00:00 2001
From: ceriel <devnull@localhost>
Date: Tue, 15 Aug 1989 09:06:26 +0000
Subject: [PATCH] prevent core dump when the input file is not present

---
 util/misc/convert.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/misc/convert.c b/util/misc/convert.c
index a599b976..9306dfdb 100644
--- a/util/misc/convert.c
+++ b/util/misc/convert.c
@@ -84,7 +84,7 @@ error(s,a1,a2,a3,a4)
 fatal(s,a1,a2,a3,a4)
 	char *s;
 {
-	C_close();
+	if (C_busy()) C_close();
 	error(s,a1,a2,a3,a4);
 	exit(1);
 }