From b0e808637dd91e51e79cac172cb35079d63f966a Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@cvs.openbsd.org>
Date: Wed, 16 Nov 2011 11:30:03 +0000
Subject: Don't create a history file called -... doh. Pointed out by jmc.

---
 usr.bin/less/cmdbuf.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/usr.bin/less/cmdbuf.c b/usr.bin/less/cmdbuf.c
index 9a56979b4dd..93fbf113265 100644
--- a/usr.bin/less/cmdbuf.c
+++ b/usr.bin/less/cmdbuf.c
@@ -1352,7 +1352,9 @@ histfile_name()
 		return (save(name));
 	}
 
-	/* Otherwise, file is in $HOME. */
+	/* Otherwise, file is in $HOME if enabled. */
+	if (strcmp (LESSHISTFILE, "-") == 0)
+		return (NULL);
 	home = lgetenv("HOME");
 	if (home == NULL || *home == '\0')
 	{
-- 
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