lf_hfs_raw_read_write.h   [plain text]

/*  Copyright © 2017-2018 Apple Inc. All rights reserved.
 *
 *  lf_hfs_raw_read_write.h
 *  livefiles_hfs
 *
 *  Created by Or Haimovich on 19/3/18.
 */

#ifndef lf_hfs_raw_read_write_h
#define lf_hfs_raw_read_write_h

#include "lf_hfs_vnode.h"
#include "lf_hfs.h"

errno_t  raw_readwrite_read_mount( vnode_t psMountVnode, uint64_t uBlockN, uint64_t uClusterSize, void* pvBuf, uint64_t uBufLen, uint64_t *piActuallyRead, uint64_t* puReadStartCluster );
errno_t  raw_readwrite_write_mount( vnode_t psMountVnode, uint64_t uBlockN, uint64_t uClusterSize, void* pvBuf, uint64_t uBufLen, uint64_t *piActuallyWritten, uint64_t* puWrittenStartCluster );

int      raw_readwrite_get_cluster_from_offset( vnode_t psVnode, uint64_t uWantedOffset, uint64_t* puStartCluster, uint64_t* puInClusterOffset, uint64_t* puContigousClustersInBytes );
errno_t  raw_readwrite_write( vnode_t psVnode, uint64_t uOffset, void* pvBuf, uint64_t uLength, uint64_t *piActuallyWritten );
errno_t  raw_readwrite_write_internal( vnode_t psVnode, uint64_t uCluster, uint64_t uContigousClustersInBytes,
                                     uint64_t Offset, uint64_t uBytesToWrite, void* pvBuf, uint64_t *piActuallyWritten );
errno_t  raw_readwrite_read( vnode_t psVnode, uint64_t uOffset, void* pvBuf, uint64_t uLength, size_t *piActuallyRead, uint64_t* puReadStartCluster );
errno_t  raw_readwrite_read_internal( vnode_t psVnode, uint64_t uStartCluster, uint64_t uContigousClustersInBytes,
                                      uint64_t Offset, uint64_t uBytesToRead, void* pvBuf, uint64_t *piActuallyRead );

int         raw_readwrite_zero_fill_init( void );
void        raw_readwrite_zero_fill_de_init( void );
int         raw_readwrite_zero_fill_fill( hfsmount_t* psMount, uint64_t uOffset, uint32_t uLength );
errno_t     raw_readwrite_zero_fill_last_block_suffix( vnode_t psVnode );


#endif /* lf_hfs_raw_read_write_h */