From 5fd83771641d15c418f747bd343ba6738d3875f7 Mon Sep 17 00:00:00 2001
From: Cameron Katri <me@cameronkatri.com>
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.c | 105 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 shell_cmds/hostname/hostname.c

(limited to 'shell_cmds/hostname/hostname.c')

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 <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/bin/hostname/hostname.c,v 1.19 2006/12/08 07:47:08 kientzle Exp $");
+
+#include <sys/param.h>
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+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);
+}
-- 
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