--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usr/src/cmd/fs.d/proc/mount.c	Tue Jun 02 18:56:50 2009 +0900
@@ -0,0 +1,228 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+#pragma ident	"@(#)mount.c	1.20	05/06/08 SMI"
+
+#include	<stdio.h>
+#include	<stdlib.h>
+#include	<signal.h>
+#include	<errno.h>
+#include	<sys/mnttab.h>
+#include	<sys/mount.h>
+#include	<sys/types.h>
+#include 	<locale.h>
+#include	<sys/stat.h>
+#include	<string.h>
+
+#include	<fslib.h>
+
+#define	NAME_MAX	64	/* sizeof "fstype myname" */
+
+#define	FSTYPE		"proc"
+
+static void rpterr(char *, char *);
+static void do_mount(char *, char *, int);
+static void usage(void);
+
+static char  optbuf[MAX_MNTOPT_STR] = { '\0', };
+static int   optsize = 0;
+
+static int	roflag = 0;
+static int	mflg = 0;	/* don't update /etc/mnttab flag */
+static int	Oflg = 0;
+static int	qflg = 0;
+
+static char	typename[NAME_MAX], *myname;
+static char	fstype[] = FSTYPE;
+
+int
+main(int argc, char *argv[])
+{
+	char	*special, *mountp;
+	int	errflag = 0;
+	int	cc;
+
+	(void) setlocale(LC_ALL, "");
+
+#if !defined(TEXT_DOMAIN)
+#define	TEXT_DOMAIN "SYS_TEST"
+#endif
+	(void) textdomain(TEXT_DOMAIN);
+
+	myname = strrchr(argv[0], '/');
+	if (myname)
+		myname++;
+	else
+		myname = argv[0];
+	(void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname);
+	argv[0] = typename;
+
+	/*
+	 *	check for proper arguments
+	 */
+
+	while ((cc = getopt(argc, argv, "?o:rmOq")) != -1)
+		switch (cc) {
+		case 'm':
+			mflg++;
+			break;
+		case 'r':
+			if (roflag)
+				errflag = 1;
+			else
+				roflag++;
+			break;
+		case 'O':
+			Oflg++;
+			break;
+		case 'o':
+			if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
+			    sizeof (optbuf)) {
+				(void) fprintf(stderr,
+				    gettext("%s: Invalid argument: %s\n"),
+				    myname, optarg);
+				return (2);
+			}
+			optsize = strlen(optbuf);
+			break;
+		case 'q':
+			qflg = 1;
+			break;
+		case '?':
+			errflag = 1;
+			break;
+		}
+
+	/*
+	 *	There must be at least 2 more arguments, the
+	 *	special file and the directory.
+	 */
+
+	if (((argc - optind) != 2) || (errflag))
+		usage();
+
+	special = argv[optind++];
+	mountp = argv[optind++];
+
+	/*
+	 *	Perform the mount.
+	 */
+	do_mount(special, mountp, roflag ? MS_RDONLY : 0);
+
+	return (0);
+}
+
+void
+rpterr(char *bs, char *mp)
+{
+	switch (errno) {
+	case EPERM:
+		(void) fprintf(stderr, gettext("%s: insufficient privileges\n"),
+		    myname);
+		break;
+	case ENXIO:
+		(void) fprintf(stderr, gettext("%s: %s no such device\n"),
+		    myname, bs);
+		break;
+	case ENOTDIR:
+		(void) fprintf(stderr,
+gettext("%s: %s not a directory\n\tor a component of %s is not a directory\n"),
+			myname, mp, bs);
+		break;
+	case ENOENT:
+		(void) fprintf(stderr,
+			gettext("%s: %s or %s, no such file or directory\n"),
+			myname, bs, mp);
+		break;
+	case EINVAL:
+		(void) fprintf(stderr, gettext("%s: %s is not this fstype.\n"),
+			myname, bs);
+		break;
+	case EBUSY:
+		(void) fprintf(stderr,
+			gettext("%s: %s is already mounted or %s is busy\n"),
+			myname, bs, mp);
+		break;
+	case ENOTBLK:
+		(void) fprintf(stderr, gettext("%s: %s not a block device\n"),
+				myname, bs);
+		break;
+	case EROFS:
+		(void) fprintf(stderr, gettext("%s: %s write-protected\n"),
+				myname, bs);
+		break;
+	case ENOSPC:
+		(void) fprintf(stderr,
+			gettext("%s: the state of %s is not okay\n"
+			"\tand it was attempted to mount read/write\n"),
+			myname, bs);
+		break;
+	default:
+		perror(myname);
+		(void) fprintf(stderr, gettext("%s: cannot mount %s\n"),
+		    myname, bs);
+	}
+}
+
+static void
+do_mount(char *special, char *mountp, int rflag)
+{
+	char *savedoptbuf;
+
+	if ((savedoptbuf = strdup(optbuf)) == NULL) {
+		(void) fprintf(stderr, gettext("%s: out of memory\n"),
+		    myname);
+		exit(2);
+	}
+
+	if (Oflg)
+		rflag |= MS_OVERLAY;
+	if (mflg)
+		rflag |= MS_NOMNTTAB;
+	if (mount(special, mountp, rflag | MS_OPTIONSTR, fstype, NULL, 0,
+	    optbuf, MAX_MNTOPT_STR)) {
+		rpterr(special, mountp);
+		exit(2);
+	}
+	if (optsize && !qflg)
+		cmp_requested_to_actual_options(savedoptbuf, optbuf,
+		    special, mountp);
+}
+
+static void
+usage(void)
+{
+	(void) fprintf(stderr,
+		gettext("%s usage:\n%s [-F %s] [-r] [-o specific_options] "
+		"{special | mount_point}\n%s [-F %s] [-r] [-o specific_options]"
+		" special mount_point\n"),
+		fstype, myname, fstype, myname, fstype);
+	exit(1);
+}