1 files changed, 87 insertions, 0 deletions
diff --git a/bin/hostname/hostname.c b/bin/hostname/hostname.c
new file mode 100644
index 000000000000..afee46a013d9
--- /dev/null
+++ b/bin/hostname/hostname.c
@@ -0,0 +1,87 @@
+/*
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 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.
+ */
+
+#ifndef lint
+static char 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 */
+
+#include <sys/param.h>
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int
+main(argc,argv)
+	int argc;
+	char *argv[];
+{
+	extern int optind;
+	int ch, sflag;
+	char *p, hostname[MAXHOSTNAMELEN];
+
+	sflag = 0;
+	while ((ch = getopt(argc, argv, "s")) != EOF)
+		switch (ch) {
+		case 's':
+			sflag = 1;
+			break;
+		case '?':
+		default:
+			(void)fprintf(stderr,
+			    "usage: hostname [-s] [hostname]\n");
+			exit(1);
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (*argv) {
+		if (sethostname(*argv, strlen(*argv)))
+			err(1, "sethostname");
+	} else {
+		if (gethostname(hostname, sizeof(hostname)))
+			err(1, "gethostname");
+		if (sflag && (p = strchr(hostname, '.')))
+			*p = '\0';
+		(void)printf("%s\n", hostname);
+	}
+	exit(0);
+}