From f604ab72a14592610b3886c1966659986b33f5fc Mon Sep 17 00:00:00 2001
From: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date: Tue, 17 Mar 2009 19:46:52 +0800
Subject: [PATCH] tcp_wrapper: Make sure that the buf has more than 1byte,
 before calling fgets()

FreeBSD-PR: kern/132705
Obtained-from: OpenBSD
---
 contrib/tcp_wrappers/misc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/tcp_wrappers/misc.c b/contrib/tcp_wrappers/misc.c
index b6bf5cb99d..8b88eaa36b 100644
--- a/contrib/tcp_wrappers/misc.c
+++ b/contrib/tcp_wrappers/misc.c
@@ -36,7 +36,7 @@ FILE   *fp;
     int     got;
     char   *start = ptr;
 
-    while (fgets(ptr, len, fp)) {
+    while (len > 1 && fgets(ptr, len, fp)) {
 	got = strlen(ptr);
 	if (got >= 1 && ptr[got - 1] == '\n') {
 	    tcpd_context.line++;
-- 
2.41.0