From bb012025b4c5f9488de8fa310737581372af8639 Mon Sep 17 00:00:00 2001
From: Adam David <adam@FreeBSD.org>
Date: Mon, 22 Jan 1996 01:30:03 +0000
Subject: [PATCH] 'more | cat' was producing spurious output from an unused
 buffer

---
 usr.bin/more/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/usr.bin/more/main.c b/usr.bin/more/main.c
index 852b1f86cc8..4c2e36b2f35 100644
--- a/usr.bin/more/main.c
+++ b/usr.bin/more/main.c
@@ -288,7 +288,8 @@ main(argc, argv)
 		 */
 		if (ac < 1) {
 			(void)edit("-");
-			cat_file();
+			if (file >= 0)
+				cat_file();
 		} else {
 			do {
 				(void)edit((char *)NULL);