From owner-svn-src-stable@freebsd.org Mon Jul 31 09:28:44 2017 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9C013DCE969; Mon, 31 Jul 2017 09:28:44 +0000 (UTC) (envelope-from emaste@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 mx1.freebsd.org (Postfix) with ESMTPS id 682ED6FC48; Mon, 31 Jul 2017 09:28:44 +0000 (UTC) (envelope-from emaste@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v6V9Sh7x048773; Mon, 31 Jul 2017 09:28:43 GMT (envelope-from emaste@FreeBSD.org) Received: (from emaste@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v6V9Sh8X048772; Mon, 31 Jul 2017 09:28:43 GMT (envelope-from emaste@FreeBSD.org) Message-Id: <201707310928.v6V9Sh8X048772@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: emaste set sender to emaste@FreeBSD.org using -f From: Ed Maste Date: Mon, 31 Jul 2017 09:28:43 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r321775 - stable/10/usr.bin/ar X-SVN-Group: stable-10 X-SVN-Commit-Author: emaste X-SVN-Commit-Paths: stable/10/usr.bin/ar X-SVN-Commit-Revision: 321775 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Jul 2017 09:28:44 -0000 Author: emaste Date: Mon Jul 31 09:28:43 2017 New Revision: 321775 URL: https://svnweb.freebsd.org/changeset/base/321775 Log: MFC r321436: ar: handle partial writes from archive_write_data libarchive may limit a single archive_write_data call to handling 0x7fffffff bytes. Add a loop to handle partial writes. Sponsored by: The FreeBSD Foundation Modified: stable/10/usr.bin/ar/write.c Directory Properties: stable/10/ (props changed) Modified: stable/10/usr.bin/ar/write.c ============================================================================== --- stable/10/usr.bin/ar/write.c Mon Jul 31 09:18:53 2017 (r321774) +++ stable/10/usr.bin/ar/write.c Mon Jul 31 09:28:43 2017 (r321775) @@ -581,10 +581,17 @@ prefault_buffer(const char *buf, size_t s) static void write_data(struct bsdar *bsdar, struct archive *a, const void *buf, size_t s) { + ssize_t written; + prefault_buffer(buf, s); - if (archive_write_data(a, buf, s) != (ssize_t)s) - bsdar_errc(bsdar, EX_SOFTWARE, 0, "%s", - archive_error_string(a)); + while (s > 0) { + written = archive_write_data(a, buf, s); + if (written < 0) + bsdar_errc(bsdar, EX_SOFTWARE, 0, "%s", + archive_error_string(a)); + buf = (const char *)buf + written; + s -= written; + } } /*