From ee35eb7aa15505be53d6c190103f9a7c53a93a7a Mon Sep 17 00:00:00 2001
From: Jordan Sissel <jls@FreeBSD.org>
Date: Fri, 23 Feb 2007 18:41:12 +0000
Subject: [PATCH] Make cu/tip handle when $HOME is not set in the environment.

Approved by: philip
Submitted by: ale
PR: bin/108775
---
 usr.bin/tip/tip/value.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/usr.bin/tip/tip/value.c b/usr.bin/tip/tip/value.c
index 45ee7ceb12d..b6cf5c2a441 100644
--- a/usr.bin/tip/tip/value.c
+++ b/usr.bin/tip/tip/value.c
@@ -74,7 +74,11 @@ vinit(void)
 	 * Read the .tiprc file in the HOME directory
 	 *  for sets
 	 */
-	if (strlen(value(HOME)) + sizeof("/.tiprc") > sizeof(file)) {
+	cp = value(HOME);
+	if (cp == NULL) {
+		(void)fprintf(stderr, 
+		    "$HOME not set. Skipping check for ~/.tiprc\n");
+	} else if (strlen(cp) + sizeof("/.tiprc") > sizeof(file)) {
 		(void)fprintf(stderr, "Home directory path too long: %s\n",
 		    value(HOME));
 	} else {