From owner-svn-src-head@freebsd.org Sun Sep 24 05:04:08 2017 Return-Path: Delivered-To: svn-src-head@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 0D8D7E1F2AD; Sun, 24 Sep 2017 05:04:08 +0000 (UTC) (envelope-from imp@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 CC73D69E28; Sun, 24 Sep 2017 05:04:07 +0000 (UTC) (envelope-from imp@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v8O546FG045631; Sun, 24 Sep 2017 05:04:06 GMT (envelope-from imp@FreeBSD.org) Received: (from imp@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v8O546Ob045630; Sun, 24 Sep 2017 05:04:06 GMT (envelope-from imp@FreeBSD.org) Message-Id: <201709240504.v8O546Ob045630@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: imp set sender to imp@FreeBSD.org using -f From: Warner Losh Date: Sun, 24 Sep 2017 05:04:06 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r323965 - head/contrib/one-true-awk X-SVN-Group: head X-SVN-Commit-Author: imp X-SVN-Commit-Paths: head/contrib/one-true-awk X-SVN-Commit-Revision: 323965 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 24 Sep 2017 05:04:08 -0000 Author: imp Date: Sun Sep 24 05:04:06 2017 New Revision: 323965 URL: https://svnweb.freebsd.org/changeset/base/323965 Log: Don't display empty error context. Context extraction didn't handle this case and showed uninitialized memory. Obtained from: OpenBSD lib.c 1.21 Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D12379 Modified: head/contrib/one-true-awk/lib.c Modified: head/contrib/one-true-awk/lib.c ============================================================================== --- head/contrib/one-true-awk/lib.c Sun Sep 24 05:04:02 2017 (r323964) +++ head/contrib/one-true-awk/lib.c Sun Sep 24 05:04:06 2017 (r323965) @@ -617,7 +617,7 @@ void eprint(void) /* try to print context around error static int been_here = 0; extern char ebuf[], *ep; - if (compile_time == 2 || compile_time == 0 || been_here++ > 0) + if (compile_time == 2 || compile_time == 0 || been_here++ > 0 || ebuf == ep) return; p = ep - 1; if (p > ebuf && *p == '\n')