mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-11-24 12:19:16 +01:00
30bc03c9fa
-updated libext2fs to e2fsprogs 1.42 -updated libfat to R4883 Thanks to USB Loader GX for the new libs
85 lines
1.5 KiB
C
85 lines
1.5 KiB
C
/*
|
|
* getsectsize.c --- get the sector size of a device.
|
|
*
|
|
* Copyright (C) 1995, 1995 Theodore Ts'o.
|
|
* Copyright (C) 2003 VMware, Inc.
|
|
*
|
|
* %Begin-Header%
|
|
* This file may be redistributed under the terms of the GNU Library
|
|
* General Public License, version 2.
|
|
* %End-Header%
|
|
*/
|
|
|
|
#define _LARGEFILE_SOURCE
|
|
#define _LARGEFILE64_SOURCE
|
|
|
|
#include "config.h"
|
|
#include <stdio.h>
|
|
#if HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#if HAVE_ERRNO_H
|
|
#include <errno.h>
|
|
#endif
|
|
#include <fcntl.h>
|
|
#ifdef HAVE_LINUX_FD_H
|
|
#include <sys/ioctl.h>
|
|
#include <linux/fd.h>
|
|
#endif
|
|
|
|
#if defined(__linux__) && defined(_IO)
|
|
#if !defined(BLKSSZGET)
|
|
#define BLKSSZGET _IO(0x12,104)/* get block device sector size */
|
|
#endif
|
|
#if !defined(BLKPBSZGET)
|
|
#define BLKPBSZGET _IO(0x12,123)/* get block physical sector size */
|
|
#endif
|
|
#endif
|
|
|
|
#include "ext2_fs.h"
|
|
#include "ext2fs.h"
|
|
|
|
/*
|
|
* Returns the logical sector size of a device
|
|
*/
|
|
errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize)
|
|
{
|
|
int fd;
|
|
|
|
fd = ext2fs_open_file(file, O_RDONLY, 0);
|
|
if (fd < 0)
|
|
return errno;
|
|
|
|
#ifdef BLKSSZGET
|
|
if (ioctl(fd, BLKSSZGET, sectsize) >= 0) {
|
|
close(fd);
|
|
return 0;
|
|
}
|
|
#endif
|
|
*sectsize = 0;
|
|
close(fd);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Returns the physical sector size of a device
|
|
*/
|
|
errcode_t ext2fs_get_device_phys_sectsize(const char *file, int *sectsize)
|
|
{
|
|
int fd;
|
|
|
|
fd = ext2fs_open_file(file, O_RDONLY, 0);
|
|
if (fd < 0)
|
|
return errno;
|
|
|
|
#ifdef BLKPBSZGET
|
|
if (ioctl(fd, BLKPBSZGET, sectsize) >= 0) {
|
|
close(fd);
|
|
return 0;
|
|
}
|
|
#endif
|
|
*sectsize = 0;
|
|
close(fd);
|
|
return 0;
|
|
}
|