Date: Mon, 20 Jul 2020 16:51:19 +0000 (UTC) From: Gordon Bergling <gbe@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r363371 - stable/12/lib/libc/gen Message-ID: <202007201651.06KGpJqe006761@repo.freebsd.org>
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Author: gbe (doc committer) Date: Mon Jul 20 16:51:18 2020 New Revision: 363371 URL: https://svnweb.freebsd.org/changeset/base/363371 Log: MFC r363147: gethostname(3): Correct the reference of the undefined value HOST_NAME_MAX PR: 143472 Submitted by: bcran@ Reported by: Jeremy Huddleston <jeremyhu at apple dot com> Reviewed by: bcr (mentor) Approved by: bcr (mentor) Differential Revision: https://reviews.freebsd.org/D25647 Modified: stable/12/lib/libc/gen/gethostname.3 Directory Properties: stable/12/ (props changed) Modified: stable/12/lib/libc/gen/gethostname.3 ============================================================================== --- stable/12/lib/libc/gen/gethostname.3 Mon Jul 20 16:48:46 2020 (r363370) +++ stable/12/lib/libc/gen/gethostname.3 Mon Jul 20 16:51:18 2020 (r363371) @@ -28,7 +28,7 @@ .\" @(#)gethostname.3 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd August 18, 2003 +.Dd July 13, 2020 .Dt GETHOSTNAME 3 .Os .Sh NAME @@ -68,9 +68,9 @@ which has length This call is restricted to the super-user and is normally used only when the system is bootstrapped. .Pp -Host names are limited to -.Brq Dv HOST_NAME_MAX -characters, not including the trailing null, currently 255. +Applications should use +.Fn sysconf _SC_HOST_NAME_MAX +to find the maximum length of a host name (not including the terminating null). .Sh RETURN VALUES .Rv -std .Sh ERRORS
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