From 5fd83771641d15c418f747bd343ba6738d3875f7 Mon Sep 17 00:00:00 2001 From: Cameron Katri Date: Sun, 9 May 2021 14:20:58 -0400 Subject: Import macOS userland adv_cmds-176 basic_cmds-55 bootstrap_cmds-116.100.1 developer_cmds-66 diskdev_cmds-667.40.1 doc_cmds-53.60.1 file_cmds-321.40.3 mail_cmds-35 misc_cmds-34 network_cmds-606.40.1 patch_cmds-17 remote_cmds-63 shell_cmds-216.60.1 system_cmds-880.60.2 text_cmds-106 --- shell_cmds/hostname/hostname.1 | 67 ++++++++++++++++++++++++++ shell_cmds/hostname/hostname.c | 105 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 172 insertions(+) create mode 100644 shell_cmds/hostname/hostname.1 create mode 100644 shell_cmds/hostname/hostname.c (limited to 'shell_cmds/hostname') diff --git a/shell_cmds/hostname/hostname.1 b/shell_cmds/hostname/hostname.1 new file mode 100644 index 0000000..291b319 --- /dev/null +++ b/shell_cmds/hostname/hostname.1 @@ -0,0 +1,67 @@ +.\"- +.\" Copyright (c) 1983, 1988, 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. +.\" 4. 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. +.\" +.\" @(#)hostname.1 8.2 (Berkeley) 4/28/95 +.\" $FreeBSD: src/bin/hostname/hostname.1,v 1.21 2006/12/08 07:47:08 kientzle Exp $ +.\" +.Dd December 7, 2006 +.Dt HOSTNAME 1 +.Os +.Sh NAME +.Nm hostname +.Nd set or print name of current host system +.Sh SYNOPSIS +.Nm +.Op Fl fs +.Op Ar name-of-host +.Sh DESCRIPTION +The +.Nm +utility prints the name of the current host. +The super-user can +set the hostname by supplying an argument. +To keep the hostname between reboots, run +.Sq scutil --set HostName Ar name-of-host . +.Pp +Options: +.Bl -tag -width flag +.It Fl f +Include domain information in the printed name. +This is the default behavior. +.It Fl s +Trim off any domain information from the printed +name. +.El +.Sh SEE ALSO +.Xr gethostname 3 , +.Xr scutil 8 +.Sh HISTORY +The +.Nm +command appeared in +.Bx 4.2 . diff --git a/shell_cmds/hostname/hostname.c b/shell_cmds/hostname/hostname.c new file mode 100644 index 0000000..3df6542 --- /dev/null +++ b/shell_cmds/hostname/hostname.c @@ -0,0 +1,105 @@ +/*- + * 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. + * 4. 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. + */ + +#if 0 +#ifndef lint +static char const copyright[] = +"@(#) Copyright (c) 1988, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)hostname.c 8.1 (Berkeley) 5/31/93"; +#endif /* not lint */ +#endif +#include +__FBSDID("$FreeBSD: src/bin/hostname/hostname.c,v 1.19 2006/12/08 07:47:08 kientzle Exp $"); + +#include + +#include +#include +#include +#include +#include + +void usage(void); + +int +main(int argc, char *argv[]) +{ + int ch, sflag; + char *p, hostname[MAXHOSTNAMELEN]; + + sflag = 0; + while ((ch = getopt(argc, argv, "fs")) != -1) + switch (ch) { + case 'f': + /* + * On Linux, "hostname -f" prints FQDN. + * BSD "hostname" always prints FQDN by + * default, so we accept but ignore -f. + */ + break; + case 's': + sflag = 1; + break; + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + + if (argc > 1) + usage(); + + if (*argv) { + if (sethostname(*argv, (int)strlen(*argv))) + err(1, "sethostname"); + } else { + if (gethostname(hostname, (int)sizeof(hostname))) + err(1, "gethostname"); + if (sflag) { + p = strchr(hostname, '.'); + if (p != NULL) + *p = '\0'; + } + (void)printf("%s\n", hostname); + } + exit(0); +} + +void +usage(void) +{ + + (void)fprintf(stderr, "usage: hostname [-fs] [name-of-host]\n"); + exit(1); +} -- cgit v1.2.3-56-ge451