1 /* Copyright (c) 2008, XenSource Inc.
2 * All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * * Neither the name of XenSource Inc. nor the names of its contributors
12 * may be used to endorse or promote products derived from this software
13 * without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
19 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
23 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
24 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 #include <stdio.h>
28 #include <errno.h>
29 #include <stdlib.h>
30 #include <unistd.h>
31
32 #include "libvhd.h"
33
34 int
vhd_util_create(int argc,char ** argv)35 vhd_util_create(int argc, char **argv)
36 {
37 char *name;
38 uint64_t size;
39 int c, sparse, err;
40 vhd_flag_creat_t flags;
41
42 err = -EINVAL;
43 size = 0;
44 sparse = 1;
45 name = NULL;
46 flags = 0;
47
48 if (!argc || !argv)
49 goto usage;
50
51 optind = 0;
52 while ((c = getopt(argc, argv, "n:s:rh")) != -1) {
53 switch (c) {
54 case 'n':
55 name = optarg;
56 break;
57 case 's':
58 err = 0;
59 size = strtoull(optarg, NULL, 10);
60 break;
61 case 'r':
62 sparse = 0;
63 break;
64 case 'h':
65 default:
66 goto usage;
67 }
68 }
69
70 if (err || !name || optind != argc)
71 goto usage;
72
73 return vhd_create(name, size << 20,
74 (sparse ? HD_TYPE_DYNAMIC : HD_TYPE_FIXED),
75 flags);
76
77 usage:
78 printf("options: <-n name> <-s size (MB)> [-r reserve] [-h help]\n");
79 return -EINVAL;
80 }
81