114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
/* $NetBSD: mount_puffs.c,v 1.4 2011/08/29 14:35:02 joerg Exp $ */
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/*
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* Copyright (c) 2010 Antti Kantee. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* This is to support -o getargs without having to replicate
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* it in every file server.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: mount_puffs.c,v 1.4 2011/08/29 14:35:02 joerg Exp $");
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#endif /* !lint */
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <fs/puffs/puffs_msgif.h>
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#include <err.h>
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#include <mntopts.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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const struct mntopt getargmopt[] = {
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MOPT_GETARGS,
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MOPT_NULL,
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};
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__dead static void
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usage(void)
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{
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fprintf(stderr, "usage: %s -o getargs spec dir\n", getprogname());
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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const char *vtypes[] = { VNODE_TYPES };
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struct puffs_kargs kargs;
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mntoptparse_t mp;
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int mntflags, f;
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int ch;
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if (argc < 3)
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usage();
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mntflags = 0;
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while ((ch = getopt(argc, argv, "o:")) != -1) {
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switch (ch) {
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case 'o':
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mp = getmntopts(optarg, getargmopt, &mntflags, &f);
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if (mp == NULL)
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err(1, "getmntopts");
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freemntopts(mp);
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break;
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 2)
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usage();
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if (mntflags != MNT_GETARGS)
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usage();
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if (mount(MOUNT_PUFFS, argv[1], mntflags, &kargs, sizeof(kargs)) == -1)
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err(1, "mount");
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printf("version=%d, ", kargs.pa_vers);
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printf("flags=0x%x, ", kargs.pa_flags);
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printf("root cookie=%p, ", kargs.pa_root_cookie);
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printf("root type=%s", vtypes[kargs.pa_root_vtype]);
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if (kargs.pa_root_vtype != VDIR)
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printf(", root size=%llu",
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(unsigned long long)kargs.pa_root_vsize);
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if (kargs.pa_root_vtype == VCHR || kargs.pa_root_vtype == VBLK)
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printf(", root rdev=0x%" PRIx64, (uint64_t)kargs.pa_root_rdev);
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printf("\n");
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return 0;
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}
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