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bigbiff7b4c7a62015-01-01 19:44:14 -05001/*
2 * Copyright (C) 2009 Karel Zak <kzak@redhat.com>
3 *
4 * This file may be redistributed under the terms of the
5 * GNU Lesser General Public License.
6 */
7
8#include <stdio.h>
9#include <stdlib.h>
10#include <sys/types.h>
11#include <sys/stat.h>
12#include <fcntl.h>
13#include <errno.h>
14
15#include <blkid.h>
16
17#include "c.h"
18
19int main(int argc, char *argv[])
20{
21 int rc;
22 char *devname;
23 blkid_probe pr;
24 blkid_topology tp;
25
26 if (argc < 2) {
27 fprintf(stderr, "usage: %s <device> "
28 "-- prints topology details about the device\n",
29 program_invocation_short_name);
30 return EXIT_FAILURE;
31 }
32
33 devname = argv[1];
34 pr = blkid_new_probe_from_filename(devname);
35 if (!pr)
36 err(EXIT_FAILURE, "%s: faild to create a new libblkid probe",
37 devname);
38 /*
39 * Binary interface
40 */
41 tp = blkid_probe_get_topology(pr);
42 if (tp) {
43 printf("----- binary interface:\n");
44 printf("\talignment offset : %lu\n",
45 blkid_topology_get_alignment_offset(tp));
46 printf("\tminimum io size : %lu\n",
47 blkid_topology_get_minimum_io_size(tp));
48 printf("\toptimal io size : %lu\n",
49 blkid_topology_get_optimal_io_size(tp));
50 printf("\tlogical sector size : %lu\n",
51 blkid_topology_get_logical_sector_size(tp));
52 printf("\tphysical sector size : %lu\n",
53 blkid_topology_get_physical_sector_size(tp));
54 }
55
56 /*
57 * NAME=value interface
58 */
59
60 /* enable topology probing */
61 blkid_probe_enable_topology(pr, TRUE);
62
63 /* disable superblocks probing (enabled by default) */
64 blkid_probe_enable_superblocks(pr, FALSE);
65
66 rc = blkid_do_fullprobe(pr);
67 if (rc == -1)
68 errx(EXIT_FAILURE, "%s: blkid_do_fullprobe() failed", devname);
69 else if (rc == 1)
70 warnx("%s: missing topology information", devname);
71 else {
72 int i, nvals = blkid_probe_numof_values(pr);
73
74 printf("----- NAME=value interface (values: %d):\n", nvals);
75
76 for (i = 0; i < nvals; i++) {
77 const char *name, *data;
78
79 blkid_probe_get_value(pr, i, &name, &data, NULL);
80 printf("\t%s = %s\n", name, data);
81 }
82 }
83
84 blkid_free_probe(pr);
85 return EXIT_SUCCESS;
86}