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
change(struct gpt_ent * ent,void * v,int backup)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
cmd_remove(gpt_t gpt,int argc,char * argv[])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