1 /* $NetBSD: dkscan_bsdlabel.c,v 1.4 2017/06/08 22:24:29 chs 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 struct disk { 45 const char *dk_name; /* disk name */ 46 int dk_blkshift; /* shift to convert DEV_BSIZE to blks */ 47 }; 48 49 #include "dkwedge_bsdlabel.c" 50 51 __dead static void usage(void); 52 53 int 54 main(int argc, char **argv) 55 { 56 struct disk d; 57 int ch; 58 char buf[PATH_MAX]; 59 const char *devpart; 60 61 if (argc < 2) 62 usage(); 63 64 while ((ch = getopt(argc, argv, "nv")) != -1) { 65 switch (ch) { 66 case 'n': 67 no_action = 1; 68 break; 69 case 'v': 70 verbose++; 71 break; 72 default: 73 usage(); 74 } 75 } 76 if (optind >= argc) 77 usage(); 78 79 disk_fd = opendisk(argv[optind], O_RDWR, buf, PATH_MAX, 0); 80 if (disk_fd == -1) 81 err(1, "%s", argv[optind]); 82 83 devpart = strrchr(argv[optind], '/'); 84 if (devpart == NULL) 85 devpart = argv[optind]; 86 87 memset(&d, 0, sizeof(d)); 88 d.dk_name = devpart; 89 dkwedge_discover_bsdlabel(&d, NULL); 90 91 close(disk_fd); 92 return 0; 93 } 94 95 void 96 usage(void) 97 { 98 fprintf(stderr, "usage: %s [-vn] <diskname>\n" 99 " where\n" 100 " -n don't change anything, just print info\n" 101 " -v be more verbose\n" 102 " <diskname> device to scan\n", 103 getprogname()); 104 exit(1); 105 } 106