From owner-svn-src-head@freebsd.org Tue Aug 11 14:19:06 2020 Return-Path: Delivered-To: svn-src-head@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 910EF3AF659; Tue, 11 Aug 2020 14:19:06 +0000 (UTC) (envelope-from markj@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) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 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 4BQw1k37MHz4Yq9; Tue, 11 Aug 2020 14:19:06 +0000 (UTC) (envelope-from markj@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 4A4A01C5A4; Tue, 11 Aug 2020 14:19:06 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 07BEJ6QI021059; Tue, 11 Aug 2020 14:19:06 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 07BEJ6jM021058; Tue, 11 Aug 2020 14:19:06 GMT (envelope-from markj@FreeBSD.org) Message-Id: <202008111419.07BEJ6jM021058@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Tue, 11 Aug 2020 14:19:06 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r364112 - head/usr.bin/script X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/usr.bin/script X-SVN-Commit-Revision: 364112 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: 2.1.33 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: Tue, 11 Aug 2020 14:19:06 -0000 Author: markj Date: Tue Aug 11 14:19:05 2020 New Revision: 364112 URL: https://svnweb.freebsd.org/changeset/base/364112 Log: script: Minor cleanups. - Instead of using isatty() to decide whether to call tcgetattr(), just call tcgetattr() directly, since that's all that isatty() does anyway. - Simplify error handling in termset(). Check for errno != ENOTTY from tcgetattr() to handle errors that may be raised while running script(1) under a debugger. PR: 248377 Submitted by: Soumendra Ganguly MFC after: 1 week Modified: head/usr.bin/script/script.c Modified: head/usr.bin/script/script.c ============================================================================== --- head/usr.bin/script/script.c Tue Aug 11 13:51:48 2020 (r364111) +++ head/usr.bin/script/script.c Tue Aug 11 14:19:05 2020 (r364112) @@ -176,16 +176,16 @@ main(int argc, char *argv[]) if (pflg) playback(fscript); - if ((ttyflg = isatty(STDIN_FILENO)) != 0) { - if (tcgetattr(STDIN_FILENO, &tt) == -1) - err(1, "tcgetattr"); - if (ioctl(STDIN_FILENO, TIOCGWINSZ, &win) == -1) - err(1, "ioctl"); - if (openpty(&master, &slave, NULL, &tt, &win) == -1) + if (tcgetattr(STDIN_FILENO, &tt) == -1 || + ioctl(STDIN_FILENO, TIOCGWINSZ, &win) == -1) { + if (errno != ENOTTY) /* For debugger. */ + err(1, "tcgetattr/ioctl"); + if (openpty(&master, &slave, NULL, NULL, NULL) == -1) err(1, "openpty"); } else { - if (openpty(&master, &slave, NULL, NULL, NULL) == -1) + if (openpty(&master, &slave, NULL, &tt, &win) == -1) err(1, "openpty"); + ttyflg = 1; } if (rawout) @@ -433,9 +433,8 @@ termset(void) struct termios traw; if (tcgetattr(STDOUT_FILENO, &tt) == -1) { - if (errno == EBADF) - err(1, "%d not valid fd", STDOUT_FILENO); - /* errno == ENOTTY */ + if (errno != ENOTTY) /* For debugger. */ + err(1, "tcgetattr"); return; } ttyflg = 1;