1 /*- 2 * Copyright (c) 2004 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/remove.c,v 1.10 2006/10/04 18:20:25 marcel Exp $"); 34 #endif 35 #ifdef __RCSID 36 __RCSID("$NetBSD: remove.c,v 1.23 2019/06/21 02:14:59 jnemeth 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_remove(gpt_t, int, char *[]); 53 54 static const char *removehelp[] = { 55 "-a", 56 "[-b blocknr] [-i index] [-L label] [-s sectors] [-t type]", 57 }; 58 59 struct gpt_cmd c_remove = { 60 "remove", 61 cmd_remove, 62 removehelp, __arraycount(removehelp), 63 GPT_SYNC, 64 }; 65 66 #define usage() gpt_usage(NULL, &c_remove) 67 68 static void 69 change(struct gpt_ent *ent, void *v, int backup) 70 { 71 /* Remove the primary entry by clearing the partition type. */ 72 gpt_uuid_copy(ent->ent_type, gpt_uuid_nil); 73 } 74 75 static int 76 cmd_remove(gpt_t gpt, int argc, char *argv[]) 77 { 78 int ch; 79 struct gpt_find find; 80 81 memset(&find, 0, sizeof(find)); 82 find.msg = "removed"; 83 84 /* Get the remove options */ 85 while ((ch = getopt(argc, argv, GPT_FIND)) != -1) 86 if (gpt_add_find(gpt, &find, ch) == -1) 87 return usage(); 88 89 if (argc != optind) 90 return usage(); 91 92 return gpt_change_ent(gpt, &find, change, NULL); 93 } 94