1 /*
2 * tst_getsize.c --- this function tests the getsize function
3 *
4 * Copyright (C) 1997 by Theodore Ts'o.
5 *
6 * %Begin-Header%
7 * This file may be redistributed under the terms of the GNU Library
8 * General Public License, version 2.
9 * %End-Header%
10 */
11
12 #include "config.h"
13 #include <stdio.h>
14 #include <string.h>
15 #if HAVE_UNISTD_H
16 #include <unistd.h>
17 #endif
18 #include <fcntl.h>
19 #include <time.h>
20 #include <sys/stat.h>
21 #include <sys/types.h>
22 #if HAVE_ERRNO_H
23 #include <errno.h>
24 #endif
25
26 #include "ext2_fs.h"
27 #include "ext2fs.h"
28
main(int argc,char ** argv)29 int main(int argc, char **argv)
30 {
31 int lsectsize, psectsize;
32 int retval;
33 int fd;
34
35 if (argc < 2) {
36 fprintf(stderr, "Usage: %s device\n", argv[0]);
37 exit(1);
38 }
39
40 retval = ext2fs_get_device_sectsize(argv[1], &lsectsize);
41 if (retval) {
42 com_err(argv[0], retval,
43 "while calling ext2fs_get_device_sectsize");
44 exit(1);
45 }
46 retval = ext2fs_get_device_phys_sectsize(argv[1], &psectsize);
47 if (retval) {
48 com_err(argv[0], retval,
49 "while calling ext2fs_get_device_phys_sectsize");
50 exit(1);
51 }
52 printf("Device %s has logical/physical sector size of %d/%d.\n",
53 argv[1], lsectsize, psectsize);
54 fd = open(argv[1], O_RDONLY);
55 if (fd < 0) {
56 perror("open");
57 exit(1);
58 }
59 printf("The device's DIO alignment is %d\n",
60 ext2fs_get_dio_alignment(fd));
61 close(fd);
62 exit(0);
63 }
64