From: Thomas Cort Date: Fri, 18 Oct 2013 16:40:44 +0000 (-0400) Subject: Importing usr.bin/leave X-Git-Tag: v3.3.0~740 X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/index.css?a=commitdiff_plain;h=dbbd766d59288eb8c101a4284f8db33dd20f81b9;p=minix.git Importing usr.bin/leave No Minix-specific changes needed. Change-Id: I2cd3f75255168a553ec5f9dd722ba1c51c09a0c1 --- diff --git a/distrib/sets/lists/minix/mi b/distrib/sets/lists/minix/mi index 40e2730db..f600054ec 100644 --- a/distrib/sets/lists/minix/mi +++ b/distrib/sets/lists/minix/mi @@ -364,6 +364,7 @@ ./usr/bin/last minix-sys ./usr/bin/ld minix-sys binutils ./usr/bin/ldd minix-sys +./usr/bin/leave minix-sys ./usr/bin/less minix-sys ./usr/bin/lessecho minix-sys ./usr/bin/lesskey minix-sys @@ -1933,6 +1934,7 @@ ./usr/man/man1/ld.1 minix-sys binutils ./usr/man/man1/ldd.1 minix-sys ./usr/man/man1/ld.elf_so.1 minix-sys +./usr/man/man1/leave.1 minix-sys ./usr/man/man1/less.1 minix-sys ./usr/man/man1/lesskey.1 minix-sys ./usr/man/man1/lex.1 minix-sys diff --git a/releasetools/nbsd_ports b/releasetools/nbsd_ports index 9cbdec721..2a129af26 100644 --- a/releasetools/nbsd_ports +++ b/releasetools/nbsd_ports @@ -170,6 +170,7 @@ 2012/10/17 12:00:00,usr.bin/infocmp 2012/10/17 12:00:00,usr.bin/join 2011/01/17 18:11:10,usr.bin/ldd +2013/10/18 12:00:00,usr.bin/leave 2012/02/10 16:16:12,usr.bin/login 2013/05/30 12:00:00,usr.bin/logname 2012/10/17 12:00:00,usr.bin/lorder diff --git a/usr.bin/Makefile b/usr.bin/Makefile index 94d944671..3ed62c451 100644 --- a/usr.bin/Makefile +++ b/usr.bin/Makefile @@ -13,7 +13,7 @@ SUBDIR= \ finger from \ ftp genassym getopt \ head indent infocmp join \ - ldd \ + ldd leave \ login logname lorder m4 \ machine make man \ mkdep mktemp \ diff --git a/usr.bin/leave/Makefile b/usr.bin/leave/Makefile new file mode 100644 index 000000000..1625da01e --- /dev/null +++ b/usr.bin/leave/Makefile @@ -0,0 +1,6 @@ +# $NetBSD: Makefile,v 1.5 1997/10/19 03:44:24 lukem Exp $ +# @(#)Makefile 8.1 (Berkeley) 6/6/93 + +PROG= leave + +.include diff --git a/usr.bin/leave/leave.1 b/usr.bin/leave/leave.1 new file mode 100644 index 000000000..d5099d4e6 --- /dev/null +++ b/usr.bin/leave/leave.1 @@ -0,0 +1,117 @@ +.\" $NetBSD: leave.1,v 1.12 2012/02/21 15:01:51 njoly Exp $ +.\" +.\" Copyright (c) 1980, 1990, 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. +.\" +.\" @(#)leave.1 8.3 (Berkeley) 4/28/95 +.\" +.Dd January 19, 2002 +.Dt LEAVE 1 +.Os +.Sh NAME +.Nm leave +.Nd remind you when you have to leave +.Sh SYNOPSIS +.Nm +.Sm off +.Oo +.Op Cm \&+ +.Ns Ar hhmm +.Oc +.Sm on +.Sh DESCRIPTION +.Nm +waits until the specified time (within the next 12 hours), then +reminds you that you have to leave by writing to the TTY that you +executed +.Nm +on. +.Pp +You are reminded 5 minutes and 1 minute before the actual +time, at the time, and every minute thereafter. +When you log off, +.Nm +exits just before it would have +printed the next message. +.Sh OPTIONS +.Bl -tag -width flag +.It Ar hhmm +The time of day is in the form +.Ar hhmm +where +.Ar hh +is a time in +hours (on a 12 or 24 hour clock), and +.Ar mm +are minutes. +.Pp +However, all times are converted to a 12 hour clock, and assumed to +be in the next 12 hours. +An attempt to set an alarm for farther into the future will be truncated +to within the next 12 hours. +.It Cm \&+ +If the time is preceded by +.Ql Cm \&+ , +the alarm will go off in hours and minutes +from the current time. +.El +.Pp +If no argument is given, +.Nm +prompts with "When do you have to leave?". +A reply of newline causes +.Nm +to exit, +otherwise the reply is assumed to be a time. +This form is suitable for inclusion in a +.Pa ~/.login +or +.Pa ~/.profile . +.Sh SEE ALSO +.Xr calendar 1 , +.Xr csh 1 , +.Xr sh 1 +.Sh HISTORY +The +.Nm +command appeared in +.Bx 3.0 . +.Sh BUGS +In the modern age with +.Xr X 7 +and window multiplexing programs like +.Xr tmux 1 +and +.Xr screen 1 , +the +.Nm +command's reminders and admonitions might not be seen if the user +has the window where +.Nm +was started minimized or obscured. +.Pp +This all begs for a more general user notifications system to be implemented. diff --git a/usr.bin/leave/leave.c b/usr.bin/leave/leave.c new file mode 100644 index 000000000..126abd8c8 --- /dev/null +++ b/usr.bin/leave/leave.c @@ -0,0 +1,185 @@ +/* $NetBSD: leave.c,v 1.15 2011/09/16 15:39:27 joerg Exp $ */ + +/* + * Copyright (c) 1980, 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) 1980, 1988, 1993\ + The Regents of the University of California. All rights reserved."); +#endif /* not lint */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)leave.c 8.1 (Berkeley) 6/6/93"; +#else +__RCSID("$NetBSD: leave.c,v 1.15 2011/09/16 15:39:27 joerg Exp $"); +#endif +#endif /* not lint */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define SECOND 1 +#define MINUTE (SECOND * 60) +#define HOUR (MINUTE * 60) + +/* + * leave [[+]hhmm] + * + * Reminds you when you have to leave. + * Leave prompts for input and goes away if you hit return. + * It nags you like a mother hen. + */ + +__dead static void doalarm(u_int); +__dead static void usage(void); + +int +main(int argc, char **argv) +{ + u_int secs; + int hours, minutes; + char c, *cp; + struct tm *t = NULL; + time_t now; + int plusnow; + char buf[50]; + + if (setvbuf(stdout, NULL, _IONBF, 0) != 0) + errx(1, "Cannot set stdout to unbuffered."); + + if (argc < 2) { + (void)puts("When do you have to leave? "); + cp = fgets(buf, sizeof(buf), stdin); + if (cp == NULL || *cp == '\n') + exit(0); + } else + cp = argv[1]; + + if (*cp == '+') { + plusnow = 1; + ++cp; + } else { + plusnow = 0; + (void)time(&now); + t = localtime(&now); + } + + for (hours = 0; (c = *cp) && c != '\n'; ++cp) { + if (!isdigit((unsigned char)c)) + usage(); + hours = hours * 10 + (c - '0'); + } + minutes = hours % 100; + hours /= 100; + + if (minutes < 0 || minutes > 59) + usage(); + if (plusnow) + secs = (hours * HOUR) + (minutes * MINUTE); + else { + if (hours > 23) + usage(); + if (t->tm_hour >= 12) + t->tm_hour -= 12; + if (hours >= 12) + hours -= 12; + if (t->tm_hour > hours || + (t->tm_hour == hours && minutes <= t->tm_min)) + hours += 12; + secs = (hours - t->tm_hour) * HOUR; + secs += (minutes - t->tm_min) * MINUTE; + } + doalarm(secs); + exit(0); +} + +static void +doalarm(u_int secs) +{ + int bother; + time_t daytime; + + switch (fork()) { + case 0: + break; + case -1: + err(1, "Fork failed"); + /*NOTREACHED*/ + default: + exit(0); + } + + (void)time(&daytime); + daytime += secs; + printf("Alarm set for %.16s. (pid %u)\n", + ctime(&daytime), (unsigned)getpid()); + + /* + * if write fails, we've lost the terminal through someone else + * causing a vhangup by logging in. + */ +#define FIVEMIN (5 * MINUTE) + if (secs >= FIVEMIN) { + sleep(secs - FIVEMIN); + if (puts("\07\07You have to leave in 5 minutes.\n") == EOF) + exit(0); + secs = FIVEMIN; + } + +#define ONEMIN (MINUTE) + if (secs >= ONEMIN) { + sleep(secs - ONEMIN); + if (puts("\07\07Just one more minute!\n") == EOF) + exit(0); + } + + for (bother = 10; bother--;) { + sleep((u_int)ONEMIN); + if (puts("\07\07Time to leave!\n") == EOF) + exit(0); + } + + (void)puts("\07\07That was the last time I'll tell you. Bye.\n"); + exit(0); +} + +static void +usage(void) +{ + (void)fprintf(stderr, "usage: %s [[+]hhmm]\n", getprogname()); + exit(1); +}