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