From owner-svn-src-all@freebsd.org Thu Feb 20 23:47:10 2020 Return-Path: Delivered-To: svn-src-all@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id C6AE024A5D0; Thu, 20 Feb 2020 23:47:10 +0000 (UTC) (envelope-from vangyzen@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 48Nrq24jkyz476L; Thu, 20 Feb 2020 23:47:10 +0000 (UTC) (envelope-from vangyzen@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 946061C2B; Thu, 20 Feb 2020 23:47:10 +0000 (UTC) (envelope-from vangyzen@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 01KNlA0f093573; Thu, 20 Feb 2020 23:47:10 GMT (envelope-from vangyzen@FreeBSD.org) Received: (from vangyzen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 01KNlALn093572; Thu, 20 Feb 2020 23:47:10 GMT (envelope-from vangyzen@FreeBSD.org) Message-Id: <202002202347.01KNlALn093572@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: vangyzen set sender to vangyzen@FreeBSD.org using -f From: Eric van Gyzen Date: Thu, 20 Feb 2020 23:47:10 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r358186 - head/lib/libc/sys X-SVN-Group: head X-SVN-Commit-Author: vangyzen X-SVN-Commit-Paths: head/lib/libc/sys X-SVN-Commit-Revision: 358186 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Feb 2020 23:47:10 -0000 Author: vangyzen Date: Thu Feb 20 23:47:09 2020 New Revision: 358186 URL: https://svnweb.freebsd.org/changeset/base/358186 Log: truncate(2): extending the file is required by POSIX 2008 Update the man page to mention that extending a file with truncate(2) is required by POSIX as of 2008. Reviewed by: bcr MFC after: 2 weeks Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D23354 Modified: head/lib/libc/sys/truncate.2 Modified: head/lib/libc/sys/truncate.2 ============================================================================== --- head/lib/libc/sys/truncate.2 Thu Feb 20 21:52:36 2020 (r358185) +++ head/lib/libc/sys/truncate.2 Thu Feb 20 23:47:09 2020 (r358186) @@ -28,7 +28,7 @@ .\" @(#)truncate.2 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd May 4, 2015 +.Dd January 24, 2020 .Dt TRUNCATE 2 .Os .Sh NAME @@ -160,6 +160,9 @@ system calls appeared in These calls should be generalized to allow ranges of bytes in a file to be discarded. .Pp -Use of +Historically, the use of .Fn truncate -to extend a file is not portable. +or +.Fn ftruncate +to extend a file was not portable, but this behavior became required in +.St -p1003.1-2008 .