1/*- 2 * Copyright (c) 2002 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 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 OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#if HAVE_NBTOOL_CONFIG_H 28#include "nbtool_config.h" 29#endif 30 31#include <sys/cdefs.h> 32#ifdef __FBSDID 33__FBSDID("$FreeBSD: src/sbin/gpt/add.c,v 1.14 2006/06/22 22:05:28 marcel Exp $"); 34#endif 35#ifdef __RCSID 36__RCSID("$NetBSD: unset.c,v 1.15 2019/03/26 14:55:02 martin Exp $"); 37#endif 38 39#include <sys/types.h> 40 41#include <err.h> 42#include <stddef.h> 43#include <stdio.h> 44#include <stdlib.h> 45#include <string.h> 46#include <unistd.h> 47 48#include "map.h" 49#include "gpt.h" 50#include "gpt_private.h" 51 52static int cmd_unset(gpt_t, int, char *[]); 53 54static const char *unsethelp[] = { 55 "-a attribute -i index", 56 "-a attribute -b startsec", 57 "-l", 58}; 59 60struct gpt_cmd c_unset = { 61 "unset", 62 cmd_unset, 63 unsethelp, __arraycount(unsethelp), 64 GPT_OPTDEV, 65}; 66 67#define usage() gpt_usage(NULL, &c_unset) 68 69static int 70cmd_unset(gpt_t gpt, int argc, char *argv[]) 71{ 72 int ch; 73 unsigned int entry = 0; 74 uint64_t attributes = 0; 75 off_t start = 0; 76 map_t m; 77 78 while ((ch = getopt(argc, argv, "a:b:i:l")) != -1) { 79 switch(ch) { 80 case 'a': 81 if (gpt == NULL || gpt_attr_get(gpt, &attributes) == -1) 82 return usage(); 83 break; 84 case 'b': 85 if (gpt == NULL || gpt_human_get(gpt, &start) == -1) 86 return usage(); 87 break; 88 case 'i': 89 if (gpt == NULL || gpt_uint_get(gpt, &entry) == -1) 90 return usage(); 91 break; 92 case 'l': 93 gpt_attr_help("\t"); 94 return 0; 95 default: 96 return usage(); 97 } 98 } 99 100 if (start > 0) { 101 for (m = map_first(gpt); m != NULL; m = m->map_next) { 102 if (m->map_type != MAP_TYPE_GPT_PART || 103 m->map_index < 1) 104 continue; 105 if (start != m->map_start) 106 continue; 107 entry = m->map_index; 108 break; 109 } 110 } 111 112 if (gpt == NULL || argc != optind) 113 return usage(); 114 115 return gpt_attr_update(gpt, entry, 0, attributes); 116} 117