ref: 8ed88939d52a36b141607bac3d0b9acf5427093e
parent: 614f11dab4983bf4e750cd14a4c90437e352bcf5
author: gkostka <kostka.grzegorz@gmail.com>
date: Fri Jan 17 13:13:02 EST 2014
Support for large files and block devices.
--- a/blockdev/filedev/ext4_filedev.c
+++ b/blockdev/filedev/ext4_filedev.c
@@ -25,6 +25,9 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+
+#define _FILE_OFFSET_BITS 64
+
#include <ext4_config.h>
#include <ext4_blockdev.h>
#include <ext4_errno.h>
@@ -71,7 +74,7 @@
/******************************************************************************/
static int filedev_open(struct ext4_blockdev *bdev)
{- dev_file = fopen64(fname, "r+b");
+ dev_file = fopen(fname, "r+b");
if(!dev_file)
return EIO;
@@ -79,7 +82,7 @@
/*No buffering at file.*/
setbuf(dev_file, 0);
- if(fseeko64(dev_file, 0, SEEK_END))
+ if(fseek(dev_file, 0, SEEK_END))
return EFAULT;
_filedev.ph_bcnt = ftell(dev_file) / _filedev.ph_bsize;
@@ -92,7 +95,7 @@
static int filedev_bread(struct ext4_blockdev *bdev, void *buf, uint64_t blk_id,
uint32_t blk_cnt)
{- if(fseeko64(dev_file, blk_id * bdev->ph_bsize, SEEK_SET))
+ if(fseek(dev_file, blk_id * bdev->ph_bsize, SEEK_SET))
return EIO;
if(!fread(buf, bdev->ph_bsize * blk_cnt, 1, dev_file))
@@ -118,7 +121,7 @@
static int filedev_bwrite(struct ext4_blockdev *bdev, const void *buf,
uint64_t blk_id, uint32_t blk_cnt)
{- if(fseeko64(dev_file, blk_id * bdev->ph_bsize, SEEK_SET))
+ if(fseek(dev_file, blk_id * bdev->ph_bsize, SEEK_SET))
return EIO;
if(!fwrite(buf, bdev->ph_bsize * blk_cnt, 1, dev_file))