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Annotation of src/sbin/mount_puffs/mount_puffs.c, Revision 1.3

1.3     ! pooka       1: /*     $NetBSD: mount_puffs.c,v 1.2 2010/01/14 22:06:54 pooka Exp $    */
1.1       pooka       2:
                      3: /*
                      4:  * Copyright (c) 2010 Antti Kantee.  All Rights Reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  *
                     15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
                     16:  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
                     18:  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     19:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     20:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     21:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     23:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     24:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     25:  * SUCH DAMAGE.
                     26:  */
                     27:
                     28: /*
                     29:  * This is to support -o getargs without having to replicate
                     30:  * it in every file server.
                     31:  */
                     32:
                     33: #include <sys/cdefs.h>
                     34: #ifndef lint
1.3     ! pooka      35: __RCSID("$NetBSD: mount_puffs.c,v 1.2 2010/01/14 22:06:54 pooka Exp $");
1.1       pooka      36: #endif /* !lint */
                     37:
                     38: #include <sys/param.h>
                     39: #include <sys/mount.h>
                     40:
                     41: #include <fs/puffs/puffs_msgif.h>
                     42:
                     43: #include <err.h>
                     44: #include <mntopts.h>
                     45: #include <stdio.h>
                     46: #include <stdlib.h>
                     47: #include <unistd.h>
                     48:
                     49: const struct mntopt getargmopt[] = {
                     50:        MOPT_GETARGS,
                     51:        MOPT_NULL,
                     52: };
                     53:
                     54: static void
                     55: usage(void)
                     56: {
                     57:
                     58:        fprintf(stderr, "usage: %s -o getargs spec dir\n", getprogname());
                     59:        exit(1);
                     60: }
                     61:
                     62: int
                     63: main(int argc, char *argv[])
                     64: {
                     65:        const char *vtypes[] = { VNODE_TYPES };
                     66:        struct puffs_kargs kargs;
                     67:        mntoptparse_t mp;
                     68:        int mntflags, f;
                     69:        int ch;
                     70:
                     71:        if (argc < 3)
                     72:                usage();
                     73:
                     74:        mntflags = 0;
                     75:        while ((ch = getopt(argc, argv, "o:")) != -1) {
                     76:                switch (ch) {
                     77:                case 'o':
                     78:                        mp = getmntopts(optarg, getargmopt, &mntflags, &f);
                     79:                        if (mp == NULL)
                     80:                                err(1, "getmntopts");
                     81:                        freemntopts(mp);
                     82:                        break;
                     83:                default:
                     84:                        usage();
                     85:                }
                     86:        }
                     87:        argc -= optind;
                     88:        argv += optind;
                     89:
                     90:        if (argc != 2)
                     91:                usage();
                     92:
                     93:        if (mntflags != MNT_GETARGS)
                     94:                usage();
                     95:
                     96:        if (mount(MOUNT_PUFFS, argv[1], mntflags, &kargs, sizeof(kargs)) == -1)
                     97:                err(1, "mount");
                     98:
1.3     ! pooka      99:        printf("version=%d, ", kargs.pa_vers);
1.1       pooka     100:        printf("flags=0x%x, ", kargs.pa_flags);
                    101:
                    102:        printf("root cookie=%p, ", kargs.pa_root_cookie);
                    103:        printf("root type=%s", vtypes[kargs.pa_root_vtype]);
                    104:
                    105:        if (kargs.pa_root_vtype != VDIR)
                    106:                printf(", root size=%llu",
                    107:                    (unsigned long long)kargs.pa_root_vsize);
                    108:        if (kargs.pa_root_vtype == VCHR || kargs.pa_root_vtype == VBLK)
                    109:                printf(", root rdev=0x%" PRIx64, (uint64_t)kargs.pa_root_rdev);
                    110:        printf("\n");
1.2       pooka     111:
                    112:        return 0;
1.1       pooka     113: }

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