From 5b57d28ffb6e1ef86b50f7d05d977826eae89bfe Mon Sep 17 00:00:00 2001 From: Kiyoshi Aman Date: Fri, 1 Feb 2019 22:55:37 +0000 Subject: initial population --- usr.bin/tty/tty.1 | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++ usr.bin/tty/tty.c | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 156 insertions(+) create mode 100644 usr.bin/tty/tty.1 create mode 100644 usr.bin/tty/tty.c (limited to 'usr.bin/tty') diff --git a/usr.bin/tty/tty.1 b/usr.bin/tty/tty.1 new file mode 100644 index 0000000..5b65d66 --- /dev/null +++ b/usr.bin/tty/tty.1 @@ -0,0 +1,75 @@ +.\" $NetBSD: tty.1,v 1.9 2017/07/03 21:34:22 wiz Exp $ +.\" +.\" Copyright (c) 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)tty.1 8.1 (Berkeley) 6/6/93 +.\" +.Dd June 6, 1993 +.Dt TTY 1 +.Os +.Sh NAME +.Nm tty +.Nd return user's terminal name +.Sh SYNOPSIS +.Nm +.Op Fl s +.Sh DESCRIPTION +The +.Nm +utility writes the name of the terminal attached to standard input +to standard output. +The name that is written is the string returned by +.Xr ttyname 3 . +If the standard input is not a terminal, the message ``not a tty'' +is written. +The options are as follows: +.Bl -tag -width Ds +.It Fl s +Don't write the terminal name; only the exit status is affected +when this option is specified. +The +.Fl s +option is deprecated in favor of the +.Dq Li "test -t 0" +command. +.El +.Pp +.Nm +exits 0 if the standard input is a terminal, 1 if the standard input is +not a terminal, and >1 if an error occurs. +.Sh SEE ALSO +.Xr test 1 , +.Xr ttyname 3 +.Sh STANDARDS +The +.Nm +utility conforms to +.St -p1003.2-92 . diff --git a/usr.bin/tty/tty.c b/usr.bin/tty/tty.c new file mode 100644 index 0000000..c5e5e80 --- /dev/null +++ b/usr.bin/tty/tty.c @@ -0,0 +1,81 @@ +/* $NetBSD: tty.c,v 1.8 2011/09/06 18:34:57 joerg Exp $ */ + +/* + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +#ifndef lint +__COPYRIGHT("@(#) Copyright (c) 1988, 1993\ + The Regents of the University of California. All rights reserved."); +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)tty.c 8.1 (Berkeley) 6/6/93"; +#endif +__RCSID("$NetBSD: tty.c,v 1.8 2011/09/06 18:34:57 joerg Exp $"); +#endif /* not lint */ + +#include +#include +#include + +__dead static void usage(void); + +int +main(int argc, char **argv) +{ + int ch, sflag; + char *t; + + sflag = 0; + while ((ch = getopt(argc, argv, "s")) != -1) { + switch((char)ch) { + case 's': + sflag = 1; + break; + case '?': + default: + usage(); + /* NOTREACHED */ + } + } + + t = ttyname(STDIN_FILENO); + if (!sflag) + puts(t ? t : "not a tty"); + exit(t ? 0 : 1); +} + +static void +usage(void) +{ + fprintf(stderr, "usage: tty [-s]\n"); + exit(2); +} -- cgit v1.2.3-70-g09d2