1 /*-
2 * Copyright (c) 2012 The FreeBSD Foundation
3 * All rights reserved.
4 *
5 * This software was developed by Semihalf under sponsorship
6 * from the FreeBSD Foundation.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD: stable/10/sbin/nandfs/rmsnap.c 235537 2012-05-17 10:11:18Z gber $");
33 #include <sys/types.h>
34
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <limits.h>
38 #include <sysexits.h>
39
40 #include <fs/nandfs/nandfs_fs.h>
41 #include <libnandfs.h>
42
43 #include "nandfs.h"
44
45 static void
rmsnap_usage(void)46 rmsnap_usage(void)
47 {
48
49 fprintf(stderr, "usage:\n");
50 fprintf(stderr, "\trmsnap snap node\n");
51 }
52
53 int
nandfs_rmsnap(int argc,char ** argv)54 nandfs_rmsnap(int argc, char **argv)
55 {
56 struct nandfs fs;
57 uint64_t cpno;
58 int error;
59
60 if (argc != 2) {
61 rmsnap_usage();
62 return (EX_USAGE);
63 }
64
65 cpno = strtoll(argv[0], (char **)NULL, 10);
66 if (cpno == 0) {
67 fprintf(stderr, "%s must be a number greater than 0\n",
68 argv[0]);
69 return (EX_USAGE);
70 }
71
72 nandfs_init(&fs, argv[1]);
73 error = nandfs_open(&fs);
74 if (error == -1) {
75 fprintf(stderr, "nandfs_open: %s\n", nandfs_errmsg(&fs));
76 goto out;
77 }
78
79 error = nandfs_delete_snap(&fs, cpno);
80 if (error == -1)
81 fprintf(stderr, "nandfs_delete_snap: %s\n", nandfs_errmsg(&fs));
82
83 out:
84 nandfs_close(&fs);
85 nandfs_destroy(&fs);
86 return (error);
87 }
88