Importing usr.bin/leave
No Minix-specific changes needed. Change-Id: I2cd3f75255168a553ec5f9dd722ba1c51c09a0c1
This commit is contained in:
Thomas Cort
parent
ba6640c5fd
commit
dbbd766d59
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@ -364,6 +364,7 @@
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./usr/bin/last minix-sys
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./usr/bin/ld minix-sys binutils
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./usr/bin/ldd minix-sys
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./usr/bin/leave minix-sys
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./usr/bin/less minix-sys
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./usr/bin/lessecho minix-sys
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./usr/bin/lesskey minix-sys
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@ -1933,6 +1934,7 @@
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./usr/man/man1/ld.1 minix-sys binutils
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./usr/man/man1/ldd.1 minix-sys
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./usr/man/man1/ld.elf_so.1 minix-sys
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./usr/man/man1/leave.1 minix-sys
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./usr/man/man1/less.1 minix-sys
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./usr/man/man1/lesskey.1 minix-sys
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./usr/man/man1/lex.1 minix-sys
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@ -170,6 +170,7 @@
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2012/10/17 12:00:00,usr.bin/infocmp
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2012/10/17 12:00:00,usr.bin/join
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2011/01/17 18:11:10,usr.bin/ldd
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2013/10/18 12:00:00,usr.bin/leave
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2012/02/10 16:16:12,usr.bin/login
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2013/05/30 12:00:00,usr.bin/logname
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2012/10/17 12:00:00,usr.bin/lorder
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@ -13,7 +13,7 @@ SUBDIR= \
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finger from \
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ftp genassym getopt \
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head indent infocmp join \
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ldd \
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ldd leave \
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login logname lorder m4 \
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machine make man \
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mkdep mktemp \
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@ -0,0 +1,6 @@
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# $NetBSD: Makefile,v 1.5 1997/10/19 03:44:24 lukem Exp $
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# @(#)Makefile 8.1 (Berkeley) 6/6/93
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PROG= leave
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.include <bsd.prog.mk>
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@ -0,0 +1,117 @@
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.\" $NetBSD: leave.1,v 1.12 2012/02/21 15:01:51 njoly Exp $
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.\"
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.\" Copyright (c) 1980, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)leave.1 8.3 (Berkeley) 4/28/95
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.\"
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.Dd January 19, 2002
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.Dt LEAVE 1
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.Os
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.Sh NAME
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.Nm leave
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.Nd remind you when you have to leave
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.Sh SYNOPSIS
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.Nm
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.Sm off
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.Oo
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.Op Cm \&+
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.Ns Ar hhmm
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.Oc
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.Sm on
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.Sh DESCRIPTION
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.Nm
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waits until the specified time (within the next 12 hours), then
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reminds you that you have to leave by writing to the TTY that you
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executed
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.Nm
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on.
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.Pp
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You are reminded 5 minutes and 1 minute before the actual
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time, at the time, and every minute thereafter.
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When you log off,
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.Nm
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exits just before it would have
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printed the next message.
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.Sh OPTIONS
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.Bl -tag -width flag
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.It Ar hhmm
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The time of day is in the form
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.Ar hhmm
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where
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.Ar hh
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is a time in
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hours (on a 12 or 24 hour clock), and
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.Ar mm
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are minutes.
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.Pp
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However, all times are converted to a 12 hour clock, and assumed to
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be in the next 12 hours.
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An attempt to set an alarm for farther into the future will be truncated
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to within the next 12 hours.
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.It Cm \&+
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If the time is preceded by
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.Ql Cm \&+ ,
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the alarm will go off in hours and minutes
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from the current time.
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.El
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.Pp
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If no argument is given,
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.Nm
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prompts with "When do you have to leave?".
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A reply of newline causes
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.Nm
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to exit,
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otherwise the reply is assumed to be a time.
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This form is suitable for inclusion in a
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.Pa ~/.login
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or
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.Pa ~/.profile .
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.Sh SEE ALSO
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.Xr calendar 1 ,
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.Xr csh 1 ,
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.Xr sh 1
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 3.0 .
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.Sh BUGS
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In the modern age with
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.Xr X 7
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and window multiplexing programs like
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.Xr tmux 1
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and
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.Xr screen 1 ,
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the
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.Nm
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command's reminders and admonitions might not be seen if the user
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has the window where
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.Nm
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was started minimized or obscured.
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.Pp
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This all begs for a more general user notifications system to be implemented.
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@ -0,0 +1,185 @@
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/* $NetBSD: leave.c,v 1.15 2011/09/16 15:39:27 joerg Exp $ */
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/*
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* Copyright (c) 1980, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1980, 1988, 1993\
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The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)leave.c 8.1 (Berkeley) 6/6/93";
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#else
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__RCSID("$NetBSD: leave.c,v 1.15 2011/09/16 15:39:27 joerg Exp $");
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#endif
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/time.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <err.h>
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#include <unistd.h>
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#define SECOND 1
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#define MINUTE (SECOND * 60)
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#define HOUR (MINUTE * 60)
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/*
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* leave [[+]hhmm]
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*
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* Reminds you when you have to leave.
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* Leave prompts for input and goes away if you hit return.
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* It nags you like a mother hen.
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*/
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__dead static void doalarm(u_int);
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__dead static void usage(void);
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int
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main(int argc, char **argv)
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{
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u_int secs;
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int hours, minutes;
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char c, *cp;
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struct tm *t = NULL;
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time_t now;
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int plusnow;
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char buf[50];
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if (setvbuf(stdout, NULL, _IONBF, 0) != 0)
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errx(1, "Cannot set stdout to unbuffered.");
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if (argc < 2) {
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(void)puts("When do you have to leave? ");
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cp = fgets(buf, sizeof(buf), stdin);
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if (cp == NULL || *cp == '\n')
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exit(0);
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} else
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cp = argv[1];
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if (*cp == '+') {
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plusnow = 1;
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++cp;
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} else {
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plusnow = 0;
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(void)time(&now);
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t = localtime(&now);
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}
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for (hours = 0; (c = *cp) && c != '\n'; ++cp) {
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if (!isdigit((unsigned char)c))
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usage();
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hours = hours * 10 + (c - '0');
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}
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minutes = hours % 100;
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hours /= 100;
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if (minutes < 0 || minutes > 59)
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usage();
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if (plusnow)
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secs = (hours * HOUR) + (minutes * MINUTE);
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else {
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if (hours > 23)
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usage();
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if (t->tm_hour >= 12)
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t->tm_hour -= 12;
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if (hours >= 12)
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hours -= 12;
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if (t->tm_hour > hours ||
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(t->tm_hour == hours && minutes <= t->tm_min))
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hours += 12;
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secs = (hours - t->tm_hour) * HOUR;
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secs += (minutes - t->tm_min) * MINUTE;
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}
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doalarm(secs);
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exit(0);
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}
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static void
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doalarm(u_int secs)
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{
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int bother;
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time_t daytime;
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switch (fork()) {
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case 0:
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break;
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case -1:
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err(1, "Fork failed");
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/*NOTREACHED*/
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default:
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exit(0);
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}
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(void)time(&daytime);
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daytime += secs;
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printf("Alarm set for %.16s. (pid %u)\n",
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ctime(&daytime), (unsigned)getpid());
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/*
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* if write fails, we've lost the terminal through someone else
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* causing a vhangup by logging in.
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*/
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#define FIVEMIN (5 * MINUTE)
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if (secs >= FIVEMIN) {
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sleep(secs - FIVEMIN);
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if (puts("\07\07You have to leave in 5 minutes.\n") == EOF)
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exit(0);
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secs = FIVEMIN;
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}
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#define ONEMIN (MINUTE)
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if (secs >= ONEMIN) {
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sleep(secs - ONEMIN);
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if (puts("\07\07Just one more minute!\n") == EOF)
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exit(0);
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}
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for (bother = 10; bother--;) {
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sleep((u_int)ONEMIN);
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if (puts("\07\07Time to leave!\n") == EOF)
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exit(0);
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}
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(void)puts("\07\07That was the last time I'll tell you. Bye.\n");
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exit(0);
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}
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static void
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usage(void)
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{
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(void)fprintf(stderr, "usage: %s [[+]hhmm]\n", getprogname());
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exit(1);
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}
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