blob: d616965e6b593d3dbf940744a4e2f0336bb8a75c [file] [log] [blame]
/*
* tst_getsize.c --- this function tests the getsize function
*
* Copyright (C) 1997 by Theodore Ts'o.
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Library
* General Public License, version 2.
* %End-Header%
*/
#include "config.h"
#include <stdio.h>
#include <string.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <fcntl.h>
#include <time.h>
#include <sys/stat.h>
#include <sys/types.h>
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#include "ext2_fs.h"
#include "ext2fs.h"
int main(int argc, char **argv)
{
int lsectsize, psectsize;
int retval;
int fd;
if (argc < 2) {
fprintf(stderr, "Usage: %s device\n", argv[0]);
exit(1);
}
retval = ext2fs_get_device_sectsize(argv[1], &lsectsize);
if (retval) {
com_err(argv[0], retval,
"while calling ext2fs_get_device_sectsize");
exit(1);
}
retval = ext2fs_get_device_phys_sectsize(argv[1], &psectsize);
if (retval) {
com_err(argv[0], retval,
"while calling ext2fs_get_device_phys_sectsize");
exit(1);
}
printf("Device %s has logical/physical sector size of %d/%d.\n",
argv[1], lsectsize, psectsize);
fd = open(argv[1], O_RDONLY);
if (fd < 0) {
perror("open");
exit(1);
}
printf("The device's DIO alignment is %d\n",
ext2fs_get_dio_alignment(fd));
close(fd);
exit(0);
}