From owner-svn-src-all@freebsd.org Tue Jan 14 08:18:05 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 63E8F2212B9; Tue, 14 Jan 2020 08:18:05 +0000 (UTC) (envelope-from bapt@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 47xjy51m1nz3JTH; Tue, 14 Jan 2020 08:18:05 +0000 (UTC) (envelope-from bapt@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 37C0C1A9FF; Tue, 14 Jan 2020 08:18:05 +0000 (UTC) (envelope-from bapt@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 00E8I548018637; Tue, 14 Jan 2020 08:18:05 GMT (envelope-from bapt@FreeBSD.org) Received: (from bapt@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 00E8I5MI018636; Tue, 14 Jan 2020 08:18:05 GMT (envelope-from bapt@FreeBSD.org) Message-Id: <202001140818.00E8I5MI018636@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: bapt set sender to bapt@FreeBSD.org using -f From: Baptiste Daroussin Date: Tue, 14 Jan 2020 08:18:05 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r356724 - head/usr.bin/diff X-SVN-Group: head X-SVN-Commit-Author: bapt X-SVN-Commit-Paths: head/usr.bin/diff X-SVN-Commit-Revision: 356724 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: Tue, 14 Jan 2020 08:18:05 -0000 Author: bapt Date: Tue Jan 14 08:18:04 2020 New Revision: 356724 URL: https://svnweb.freebsd.org/changeset/base/356724 Log: asprintf returns -1, not an arbitrary value < 0. Also upon error the (very sloppy specification) leaves an undefined value in *ret, so it is wrong to inspect it, the error condition is enough. Obtained from: OpenBSD MFC after: 3 days Modified: head/usr.bin/diff/xmalloc.c Modified: head/usr.bin/diff/xmalloc.c ============================================================================== --- head/usr.bin/diff/xmalloc.c Tue Jan 14 08:16:15 2020 (r356723) +++ head/usr.bin/diff/xmalloc.c Tue Jan 14 08:18:04 2020 (r356724) @@ -1,4 +1,4 @@ -/* $OpenBSD: xmalloc.c,v 1.9 2015/11/17 18:25:02 tobias Exp $ */ +/* $OpenBSD: xmalloc.c,v 1.10 2019/06/28 05:44:09 deraadt Exp $ */ /* * Author: Tatu Ylonen * Copyright (c) 1995 Tatu Ylonen , Espoo, Finland @@ -81,7 +81,7 @@ xasprintf(char **ret, const char *fmt, ...) i = vasprintf(ret, fmt, ap); va_end(ap); - if (i < 0 || *ret == NULL) + if (i == -1) err(2, "xasprintf"); return i;