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 1.13 2015/12/29 16:45:04 christos 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 52 static int cmd_unset(gpt_t, int, char *[]); 53 54 static const char *unsethelp[] = { 55 "-a attribute -i index", 56 }; 57 58 struct gpt_cmd c_unset = { 59 "unset", 60 cmd_unset, 61 unsethelp, __arraycount(unsethelp), 62 0, 63 }; 64 65 #define usage() gpt_usage(NULL, &c_unset) 66 67 static int 68 cmd_unset(gpt_t gpt, int argc, char *argv[]) 69 { 70 int ch; 71 unsigned int entry = 0; 72 uint64_t attributes = 0; 73 74 while ((ch = getopt(argc, argv, "a:i:l")) != -1) { 75 switch(ch) { 76 case 'a': 77 if (gpt_attr_get(gpt, &attributes) == -1) 78 return usage(); 79 break; 80 case 'i': 81 if (gpt_uint_get(gpt, &entry) == -1) 82 return usage(); 83 break; 84 case 'l': 85 gpt_attr_help("\t"); 86 return 0; 87 default: 88 return usage(); 89 } 90 } 91 92 if (argc != optind) 93 return usage(); 94 95 return gpt_attr_update(gpt, entry, 0, attributes); 96 } 97