sbin/dkscan_bsdlabel/dkscan_bsdlabel.c

   1 /* $NetBSD: dkscan_bsdlabel.c,v 1.1 2007/03/01 22:01:30 martin Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2007 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Martin Husemann <martin@NetBSD.org>.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <stdio.h>
  33 #include <stdlib.h>
  34 #include <stddef.h>
  35 #include <string.h>
  36 #include <unistd.h>
  37 #include <fcntl.h>
  38 #include <err.h>
  39 #include <util.h>
  40 #include <sys/disk.h>
  41
  42 #include "dkscan_util.h"
  43
  44 #include "dkwedge_bsdlabel.c"
  45
  46 int
  47 main(int argc, char **argv)
  48 {
  49         struct disk d;
  50         int ch;
  51         char buf[PATH_MAX];
  52         const char *devpart;
  53
  54         if (argc < 2)
  55                 usage();
  56
  57         while ((ch = getopt(argc, argv, "nv")) != -1) {
  58                 switch (ch) {
  59                 case 'n':
  60                         no_action = 1;
  61                         break;
  62                 case 'v':
  63                         verbose++;
  64                         break;
  65                 default:
  66                         usage();
  67                 }
  68         }
  69         if (optind >= argc)
  70                 usage();
  71
  72         disk_fd = opendisk(argv[optind], O_RDWR, buf, PATH_MAX, 0);
  73         if (disk_fd == -1)
  74                 err(1, "%s", argv[optind]);
  75
  76         devpart = strrchr(argv[optind], '/');
  77         if (devpart == NULL)
  78                 devpart = argv[optind];
  79
  80         memset(&d, 0, sizeof(d));
  81         d.dk_name  = __UNCONST(devpart);
  82         dkwedge_discover_bsdlabel(&d, NULL);
  83
  84         close(disk_fd);
  85         return 0;
  86 }
  87
  88 void
  89 usage(void)
  90 {
  91         fprintf(stderr, "usage: %s [-vn] <diskname>\n"
  92             "  where\n"
  93             "    -n don't change anything, just print info\n"
  94             "    -v be more verbose\n"
  95             "    <diskname> device to scan\n",
  96             getprogname());
  97         exit(1);
  98 }