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diff --git a/sbin/mount_std/mount_std.c b/sbin/mount_std/mount_std.c
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+/*
+ * Copyright (c) 1990, 1992 Jan-Simon Pendry
+ * Copyright (c) 1992, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry.
+ *
+ * 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
+char copyright[] =
+"@(#) Copyright (c) 1992, 1993, 1994\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static const char rcsid[] =
+ "$Id: mount_std.c,v 1.2 1996/05/14 15:16:49 wollman Exp $";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/mount.h>
+
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sysexits.h>
+#include <unistd.h>
+
+#include "mntopts.h"
+
+static struct mntopt mopts[] = {
+ MOPT_STDOPTS,
+ { NULL }
+};
+
+static void usage __P((void)) __dead2;
+static const char *fsname;
+
+int
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ int ch, mntflags;
+ struct vfsconf *vfc;
+
+ /*
+ * XXX
+ * mount(8) calls the mount programs with an argv[0] which is
+ * /just/ the filesystem name. So, if there is no underscore
+ * in argv[0], we assume that we are being called from mount(8)
+ * and that argv[0] is thus the name of the filesystem type.
+ */
+ fsname = strrchr(argv[0], '_');
+ if (fsname) {
+ if (strcmp(fsname, "_std") == 0)
+ errx(EX_USAGE, "argv[0] must end in _fsname");
+ fsname++;
+ } else {
+ fsname = argv[0];
+ }
+
+ mntflags = 0;
+ while ((ch = getopt(argc, argv, "o:")) != EOF)
+ switch (ch) {
+ case 'o':
+ getmntopts(optarg, mopts, &mntflags, 0);
+ break;
+ case '?':
+ default:
+ usage();
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc != 2)
+ usage();
+
+ vfc = getvfsbyname(fsname);
+ if(!vfc && vfsisloadable(fsname)) {
+ if(vfsload(fsname)) {
+ err(EX_OSERR, "vfsload(%s)", fsname);
+ }
+ endvfsent();
+ vfc = getvfsbyname(fsname);
+ }
+ if (!vfc)
+ errx(EX_OSERR, "%s filesystem not available", fsname);
+
+ if (mount(vfc->vfc_index, argv[1], mntflags, NULL))
+ err(EX_OSERR, NULL);
+ exit(0);
+}
+
+void
+usage()
+{
+ (void)fprintf(stderr,
+ "usage: mount_%s [-o options] what_to_mount mount_point\n",
+ fsname);
+ exit(EX_USAGE);
+}
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