From: nicm <nicm@openbsd.org>
Date: Mon, 12 Jan 2015 10:11:07 +0000 (+0000)
Subject: Add a note that HOST_NAME_MAX does not include a terminating \0, unlike
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=ae92b999c0206cae668c6ab7e67f5f31090df56a;p=openbsd

Add a note that HOST_NAME_MAX does not include a terminating \0, unlike
MAXHOSTNAMELEN.

ok deraadt guenther
---

diff --git a/lib/libc/gen/gethostname.3 b/lib/libc/gen/gethostname.3
index 4ecf2263029..f4ae65c5f8b 100644
--- a/lib/libc/gen/gethostname.3
+++ b/lib/libc/gen/gethostname.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: gethostname.3,v 1.25 2014/01/21 03:15:45 schwarze Exp $
+.\"	$OpenBSD: gethostname.3,v 1.26 2015/01/12 10:11:07 nicm Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: January 21 2014 $
+.Dd $Mdocdate: January 12 2015 $
 .Dt GETHOSTNAME 3
 .Os
 .Sh NAME
@@ -105,6 +105,13 @@ Host names are limited to
 .In sys/param.h )
 characters, currently 256.
 This includes the terminating NUL character.
+Note that the corresponding POSIX definition
+.Dv HOST_NAME_MAX
+in
+.In limits.h
+does
+.Em not
+include the terminating NUL character.
 .Pp
 If the buffer passed to
 .Fn gethostname