livefiles_hfs_plugin/lf_hfs_raw_read_write.h

   1 /*  Copyright © 2017-2018 Apple Inc. All rights reserved.
   2  *
   3  *  lf_hfs_raw_read_write.h
   4  *  livefiles_hfs
   5  *
   6  *  Created by Or Haimovich on 19/3/18.
   7  */
   8
   9 #ifndef lf_hfs_raw_read_write_h
  10 #define lf_hfs_raw_read_write_h
  11
  12 #include "lf_hfs_vnode.h"
  13 #include "lf_hfs.h"
  14
  15 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 );
  16 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 );
  17
  18 int      raw_readwrite_get_cluster_from_offset( vnode_t psVnode, uint64_t uWantedOffset, uint64_t* puStartCluster, uint64_t* puInClusterOffset, uint64_t* puContigousClustersInBytes );
  19 errno_t  raw_readwrite_write( vnode_t psVnode, uint64_t uOffset, void* pvBuf, uint64_t uLength, uint64_t *piActuallyWritten );
  20 errno_t  raw_readwrite_write_internal( vnode_t psVnode, uint64_t uCluster, uint64_t uContigousClustersInBytes,
  21                                      uint64_t Offset, uint64_t uBytesToWrite, void* pvBuf, uint64_t *piActuallyWritten );
  22 errno_t  raw_readwrite_read( vnode_t psVnode, uint64_t uOffset, void* pvBuf, uint64_t uLength, size_t *piActuallyRead, uint64_t* puReadStartCluster );
  23 errno_t  raw_readwrite_read_internal( vnode_t psVnode, uint64_t uStartCluster, uint64_t uContigousClustersInBytes,
  24                                       uint64_t Offset, uint64_t uBytesToRead, void* pvBuf, uint64_t *piActuallyRead );
  25
  26 int         raw_readwrite_zero_fill_init( void );
  27 void        raw_readwrite_zero_fill_de_init( void );
  28 int         raw_readwrite_zero_fill_fill( hfsmount_t* psMount, uint64_t uOffset, uint32_t uLength );
  29 errno_t     raw_readwrite_zero_fill_last_block_suffix( vnode_t psVnode );
  30
  31
  32 #endif /* lf_hfs_raw_read_write_h */