release/src/router/ntfs-3g/include/ntfs-3g/dir.h

   1 /*
   2  * dir.h - Exports for directory handling. Originated from the Linux-NTFS project.
   3  *
   4  * Copyright (c) 2002      Anton Altaparmakov
   5  * Copyright (c) 2005-2006 Yura Pakhuchiy
   6  * Copyright (c) 2004-2005 Richard Russon
   7  * Copyright (c) 2005-2008 Szabolcs Szakacsits
   8  *
   9  * This program/include file is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as published
  11  * by the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program/include file is distributed in the hope that it will be
  15  * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
  16  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program (in the main directory of the NTFS-3G
  21  * distribution in the file COPYING); if not, write to the Free Software
  22  * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23  */
  24
  25 #ifndef _NTFS_DIR_H
  26 #define _NTFS_DIR_H
  27
  28 #include "types.h"
  29
  30 #define PATH_SEP '/'
  31
  32 /*
  33  * We do not have these under DJGPP, so define our version that do not conflict
  34  * with other S_IFs defined under DJGPP.
  35  */
  36 #ifdef DJGPP
  37 #ifndef S_IFLNK
  38 #define S_IFLNK  0120000
  39 #endif
  40 #ifndef S_ISLNK
  41 #define S_ISLNK(m)  (((m) & S_IFMT) == S_IFLNK)
  42 #endif
  43 #ifndef S_IFSOCK
  44 #define S_IFSOCK 0140000
  45 #endif
  46 #ifndef S_ISSOCK
  47 #define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
  48 #endif
  49 #endif
  50
  51 /*
  52  * The little endian Unicode strings $I30, $SII, $SDH, $O, $Q, $R
  53  * as a global constant.
  54  */
  55 extern ntfschar NTFS_INDEX_I30[5];
  56 extern ntfschar NTFS_INDEX_SII[5];
  57 extern ntfschar NTFS_INDEX_SDH[5];
  58 extern ntfschar NTFS_INDEX_O[3];
  59 extern ntfschar NTFS_INDEX_Q[3];
  60 extern ntfschar NTFS_INDEX_R[3];
  61
  62 extern u64 ntfs_inode_lookup_by_name(ntfs_inode *dir_ni,
  63                 const ntfschar *uname, const int uname_len);
  64 extern u64 ntfs_inode_lookup_by_mbsname(ntfs_inode *dir_ni, const char *name);
  65 extern void ntfs_inode_update_mbsname(ntfs_inode *dir_ni, const char *name,
  66                                 u64 inum);
  67
  68 extern ntfs_inode *ntfs_pathname_to_inode(ntfs_volume *vol, ntfs_inode *parent,
  69                 const char *pathname);
  70 extern ntfs_inode *ntfs_create(ntfs_inode *dir_ni, le32 securid,
  71                 ntfschar *name, u8 name_len, mode_t type);
  72 extern ntfs_inode *ntfs_create_device(ntfs_inode *dir_ni, le32 securid,
  73                 ntfschar *name, u8 name_len, mode_t type, dev_t dev);
  74 extern ntfs_inode *ntfs_create_symlink(ntfs_inode *dir_ni, le32 securid,
  75                 ntfschar *name, u8 name_len, ntfschar *target, int target_len);
  76 extern int ntfs_check_empty_dir(ntfs_inode *ni);
  77 extern int ntfs_delete(ntfs_volume *vol, const char *path,
  78                 ntfs_inode *ni, ntfs_inode *dir_ni, ntfschar *name,
  79                 u8 name_len);
  80
  81 extern int ntfs_link(ntfs_inode *ni, ntfs_inode *dir_ni, ntfschar *name,
  82                 u8 name_len);
  83
  84 /*
  85  * File types (adapted from include <linux/fs.h>)
  86  */
  87 #define NTFS_DT_UNKNOWN         0
  88 #define NTFS_DT_FIFO            1
  89 #define NTFS_DT_CHR             2
  90 #define NTFS_DT_DIR             4
  91 #define NTFS_DT_BLK             6
  92 #define NTFS_DT_REG             8
  93 #define NTFS_DT_LNK             10
  94 #define NTFS_DT_SOCK            12
  95 #define NTFS_DT_WHT             14
  96
  97 /*
  98  * This is the "ntfs_filldir" function type, used by ntfs_readdir() to let
  99  * the caller specify what kind of dirent layout it wants to have.
 100  * This allows the caller to read directories into their application or
 101  * to have different dirent layouts depending on the binary type.
 102  */
 103 typedef int (*ntfs_filldir_t)(void *dirent, const ntfschar *name,
 104                 const int name_len, const int name_type, const s64 pos,
 105                 const MFT_REF mref, const unsigned dt_type);
 106
 107 extern int ntfs_readdir(ntfs_inode *dir_ni, s64 *pos,
 108                 void *dirent, ntfs_filldir_t filldir);
 109
 110 ntfs_inode *ntfs_dir_parent_inode(ntfs_inode *ni);
 111
 112 int ntfs_get_ntfs_dos_name(ntfs_inode *ni, ntfs_inode *dir_ni,
 113                         char *value, size_t size);
 114 int ntfs_set_ntfs_dos_name(ntfs_inode *ni, ntfs_inode *dir_ni,
 115                         const char *value, size_t size, int flags);
 116 int ntfs_remove_ntfs_dos_name(ntfs_inode *ni, ntfs_inode *dir_ni);
 117
 118 #if CACHE_INODE_SIZE
 119
 120 struct CACHED_GENERIC;
 121
 122 extern int ntfs_dir_inode_hash(const struct CACHED_GENERIC *cached);
 123 extern int ntfs_dir_lookup_hash(const struct CACHED_GENERIC *cached);
 124
 125 #endif
 126
 127 #endif /* defined _NTFS_DIR_H */
 128