Branch data Line data Source code
1 : : /*
2 : : * Copyright (c) 2016, Citrix Systems, Inc.
3 : : *
4 : : * All rights reserved.
5 : : *
6 : : * Redistribution and use in source and binary forms, with or without
7 : : * modification, are permitted provided that the following conditions 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 : : * 3. Neither the name of the copyright holder nor the names of its
15 : : * contributors may be used to endorse or promote products derived from
16 : : * this software without specific prior written permission.
17 : : *
18 : : * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 : : * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 : : * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 : : * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
22 : : * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23 : : * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24 : : * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
25 : : * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
26 : : * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
27 : : * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 : : * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 : : */
30 : :
31 : : #ifdef HAVE_CONFIG_H
32 : : #include "config.h"
33 : : #endif
34 : :
35 : : #include <stdio.h>
36 : : #include <errno.h>
37 : : #include <stdlib.h>
38 : : #include <unistd.h>
39 : :
40 : : #include "libvhd.h"
41 : :
42 : : int
43 : 0 : vhd_util_create(int argc, char **argv)
44 : : {
45 : : char *name;
46 : : uint64_t size, msize;
47 : : int c, sparse, err;
48 : : vhd_flag_creat_t flags;
49 : :
50 : 0 : err = -EINVAL;
51 : 0 : size = 0;
52 : 0 : msize = 0;
53 : 0 : sparse = 1;
54 : 0 : name = NULL;
55 : 0 : flags = 0;
56 : :
57 [ # # ]: 0 : if (!argc || !argv)
58 : : goto usage;
59 : :
60 : 0 : optind = 0;
61 [ # # ]: 0 : while ((c = getopt(argc, argv, "n:s:S:rh")) != -1) {
62 [ # # # # : 0 : switch (c) {
# ]
63 : : case 'n':
64 : 0 : name = optarg;
65 : 0 : break;
66 : : case 's':
67 : 0 : err = 0;
68 : 0 : size = strtoull(optarg, NULL, 10);
69 : 0 : break;
70 : : case 'S':
71 : 0 : err = 0;
72 : 0 : msize = strtoull(optarg, NULL, 10);
73 : 0 : break;
74 : : case 'r':
75 : : sparse = 0;
76 : : break;
77 : : case 'h':
78 : : default:
79 : : goto usage;
80 : : }
81 : : }
82 : :
83 [ # # ][ # # ]: 0 : if (err || !name || optind != argc)
84 : : goto usage;
85 : :
86 [ # # ]: 0 : if (msize && msize < size) {
87 : : printf("Error: <-S size> must be greater than <-s size>\n");
88 : 0 : return -EINVAL;
89 : : }
90 : :
91 [ # # ]: 0 : return vhd_create(name, size << 20,
92 : : (sparse ? HD_TYPE_DYNAMIC : HD_TYPE_FIXED),
93 : : msize << 20, flags);
94 : :
95 : : usage:
96 : : printf("options: <-n name> <-s size (MB)> [-r reserve] [-h help] "
97 : : "[<-S size (MB) for metadata preallocation "
98 : : "(see vhd-util resize)>]\n");
99 : 0 : return -EINVAL;
100 : : }
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