From 4849be9c13ff83538d27defe6eecf2d1f43fc444 Mon Sep 17 00:00:00 2001
From: Garrett Wollman <wollman@FreeBSD.org>
Date: Mon, 8 Aug 1994 00:30:12 +0000
Subject: [PATCH] Define a sysctl MIB variable for the YP domain name.

---
 sys/kern/kern_sysctl.c | 10 +++++++++-
 sys/kern/kern_xxx.c    |  6 +++---
 sys/sys/sysctl.h       |  6 ++++--
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/sys/kern/kern_sysctl.c b/sys/kern/kern_sysctl.c
index 71c8d56d2da5..c1308cdd1315 100644
--- a/sys/kern/kern_sysctl.c
+++ b/sys/kern/kern_sysctl.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)kern_sysctl.c	8.4 (Berkeley) 4/14/94
- * $Id$
+ * $Id: kern_sysctl.c,v 1.3 1994/08/02 07:42:19 davidg Exp $
  */
 
 /*
@@ -176,6 +176,8 @@ __sysctl(p, uap, retval)
  */
 char hostname[MAXHOSTNAMELEN];
 int hostnamelen;
+char domainname[MAXHOSTNAMELEN];
+int domainnamelen;
 long hostid;
 int securelevel;
 
@@ -231,6 +233,12 @@ kern_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
 		if (newp && !error)
 			hostnamelen = newlen;
 		return (error);
+	case KERN_DOMAINNAME:
+		error = sysctl_string(oldp, oldlenp, newp, newlen,
+		    domainname, sizeof(domainname));
+		if (newp && !error)
+			domainnamelen = newlen;
+		return (error);
 	case KERN_HOSTID:
 		inthostid = hostid;  /* XXX assumes sizeof long <= sizeof int */
 		error =  sysctl_int(oldp, oldlenp, newp, newlen, &inthostid);
diff --git a/sys/kern/kern_xxx.c b/sys/kern/kern_xxx.c
index 5f7ba517f979..8f9b72b2b254 100644
--- a/sys/kern/kern_xxx.c
+++ b/sys/kern/kern_xxx.c
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)kern_xxx.c	8.2 (Berkeley) 11/14/93
- * $Id$
+ * $Id: kern_xxx.c,v 1.3 1994/08/02 07:42:23 davidg Exp $
  */
 
 #include <sys/param.h>
@@ -43,8 +43,8 @@
 #include <sys/sysctl.h>
 #include <sys/utsname.h>
 
-char domainname[MAXHOSTNAMELEN];
-int domainnamelen;
+extern char domainname[MAXHOSTNAMELEN];
+extern int domainnamelen;
 
 struct reboot_args {
 	int	opt;
diff --git a/sys/sys/sysctl.h b/sys/sys/sysctl.h
index a27ec38bf9f5..e4e40bd48a45 100644
--- a/sys/sys/sysctl.h
+++ b/sys/sys/sysctl.h
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)sysctl.h	8.1 (Berkeley) 6/2/93
- * $Id$
+ * $Id: sysctl.h,v 1.2 1994/08/02 07:53:41 davidg Exp $
  */
 
 #ifndef _SYS_SYSCTL_H_
@@ -128,7 +128,8 @@ struct ctlname {
 #define	KERN_JOB_CONTROL	19	/* int: is job control available */
 #define	KERN_SAVED_IDS		20	/* int: saved set-user/group-ID */
 #define	KERN_BOOTTIME		21	/* struct: time kernel was booted */
-#define	KERN_MAXID		22	/* number of valid kern ids */
+#define KERN_DOMAINNAME		22	/* string: YP domain name */
+#define	KERN_MAXID		23	/* number of valid kern ids */
 
 #define CTL_KERN_NAMES { \
 	{ 0, 0 }, \
@@ -153,6 +154,7 @@ struct ctlname {
 	{ "job_control", CTLTYPE_INT }, \
 	{ "saved_ids", CTLTYPE_INT }, \
 	{ "boottime", CTLTYPE_STRUCT }, \
+	{ "domainname", CTLTYPE_STRING }, \
 }
 
 /*