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("$FreeBSD$");
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
45static void
46rmsnap_usage(void)
47{
48
49	fprintf(stderr, "usage:\n");
50	fprintf(stderr, "\trmsnap snap node\n");
51}
52
53int
54nandfs_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
83out:
84	nandfs_close(&fs);
85	nandfs_destroy(&fs);
86	return (error);
87}
88