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150 lines
6.5 KiB
C
150 lines
6.5 KiB
C
/**
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* ntfs.h - Simple functionality for startup, mounting and unmounting of NTFS-based devices.
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*
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* Copyright (c) 2009 Rhys "Shareese" Koedijk
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* Copyright (c) 2006 Michael "Chishm" Chisholm
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*
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* This program/include file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program/include file is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _LIBNTFS_H
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#define _LIBNTFS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <gctypes.h>
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#include <gccore.h>
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#include <ogc/disc_io.h>
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/* NTFS errno values */
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#define ENOPART 3000 /* No partition was found */
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#define EINVALPART 3001 /* Specified partition is invalid or not supported */
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#define EDIRTY 3002 /* Volume is dirty and NTFS_RECOVER was not specified during mount */
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#define EHIBERNATED 3003 /* Volume is hibernated and NTFS_IGNORE_HIBERFILE was not specified during mount */
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/* NTFS cache options */
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#define CACHE_DEFAULT_PAGE_COUNT 8 /* The default number of pages in the cache */
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#define CACHE_DEFAULT_PAGE_SIZE 128 /* The default number of sectors per cache page */
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/* NTFS mount flags */
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#define NTFS_DEFAULT 0x00000000 /* Standard mount, expects a clean, non-hibernated volume */
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#define NTFS_SHOW_HIDDEN_FILES 0x00000001 /* Display hidden files when enumerating directories */
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#define NTFS_SHOW_SYSTEM_FILES 0x00000002 /* Display system files when enumerating directories */
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#define NTFS_UPDATE_ACCESS_TIMES 0x00000004 /* Update file and directory access times */
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#define NTFS_RECOVER 0x00000008 /* Reset $LogFile if dirty (i.e. from unclean disconnect) */
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#define NTFS_IGNORE_HIBERFILE 0x00000010 /* Mount even if volume is hibernated */
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#define NTFS_READ_ONLY 0x00000020 /* Mount in read only mode */
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#define NTFS_IGNORE_CASE 0x00000040 /* Ignore case sensitivity. Everything must be and will be provided in lowercase. */
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#define NTFS_SU NTFS_SHOW_HIDDEN_FILES | NTFS_SHOW_SYSTEM_FILES
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#define NTFS_FORCE NTFS_RECOVER | NTFS_IGNORE_HIBERFILE
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/**
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* ntfs_md - NTFS mount descriptor
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*/
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typedef struct _ntfs_md {
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char name[32]; /* Mount name (can be accessed as "name:/") */
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const DISC_INTERFACE *interface; /* Block device containing the mounted partition */
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sec_t startSector; /* Local block address to first sector of partition */
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} ntfs_md;
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/**
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* Find all NTFS partitions on a block device.
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*
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* @param INTERFACE The block device to search
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* @param PARTITIONS (out) A pointer to receive the array of partition start sectors
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*
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* @return The number of entries in PARTITIONS or -1 if an error occurred (see errno)
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* @note The caller is responsible for freeing PARTITIONS when finished with it
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*/
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extern int ntfsFindPartitions (const DISC_INTERFACE *interface, sec_t **partitions);
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/**
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* Mount all NTFS partitions on all inserted block devices.
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*
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* @param MOUNTS (out) A pointer to receive the array of mount descriptors
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* @param FLAGS Additional mounting flags. (see above)
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*
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* @return The number of entries in MOUNTS or -1 if an error occurred (see errno)
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* @note The caller is responsible for freeing MOUNTS when finished with it
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* @note All device caches are setup using default values (see above)
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*/
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extern int ntfsMountAll (ntfs_md **mounts, u32 flags);
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/**
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* Mount all NTFS partitions on a block devices.
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*
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* @param INTERFACE The block device to mount.
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* @param MOUNTS (out) A pointer to receive the array of mount descriptors
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* @param FLAGS Additional mounting flags. (see above)
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*
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* @return The number of entries in MOUNTS or -1 if an error occurred (see errno)
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* @note The caller is responsible for freeing MOUNTS when finished with it
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* @note The device cache is setup using default values (see above)
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*/
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extern int ntfsMountDevice (const DISC_INTERFACE* interface, ntfs_md **mounts, u32 flags);
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/**
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* Mount a NTFS partition from a specific sector on a block device.
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*
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* @param NAME The name to mount the device under (can then be accessed as "NAME:/")
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* @param INTERFACE The block device to mount
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* @param STARTSECTOR The sector the partition begins at (see @ntfsFindPartitions)
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* @param CACHEPAGECOUNT The total number of pages in the device cache
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* @param CACHEPAGESIZE The number of sectors per cache page
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* @param FLAGS Additional mounting flags (see above)
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*
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* @return True if mount was successful, false if no partition was found or an error occurred (see errno)
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* @note ntfsFindPartitions should be used first to locate the partitions start sector
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*/
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extern bool ntfsMount (const char *name, const DISC_INTERFACE *interface, sec_t startSector, u32 cachePageCount, u32 cachePageSize, u32 flags);
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/**
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* Unmount a NTFS partition.
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*
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* @param NAME The name of mount used in ntfsMountSimple() and ntfsMount()
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* @param FORCE If true unmount even if the device is busy (may lead to data lose)
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*/
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extern void ntfsUnmount (const char *name, bool force);
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/**
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* Get the volume name of a mounted NTFS partition.
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*
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* @param NAME The name of mount (see @ntfsMountAll, @ntfsMountDevice, and @ntfsMount)
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*
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* @return The volumes name if successful or NULL if an error occurred (see errno)
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*/
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extern const char *ntfsGetVolumeName (const char *name);
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/**
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* Set the volume name of a mounted NTFS partition.
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*
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* @param NAME The name of mount (see @ntfsMountAll, @ntfsMountDevice, and @ntfsMount)
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* @param VOLUMENAME The new volume name
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*
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* @return True if mount was successful, false if an error occurred (see errno)
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* @note The mount must be write-enabled else this will fail
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*/
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extern bool ntfsSetVolumeName (const char *name, const char *volumeName);
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typedef int (*_ntfs_frag_append_t)(void *ff, u32 offset, u32 sector, u32 count);
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int _NTFS_get_fragments (const char *path, _ntfs_frag_append_t append_fragment, void *callback_data);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _LIBNTFS_H */ |