pmt: initial 3.0.2 update
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163
jni/parted/libparted/fs/fat/fat.h
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163
jni/parted/libparted/fs/fat/fat.h
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/*
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libparted
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Copyright (C) 1998-2001, 2007, 2009-2014, 2019-2023 Free Software
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Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef FAT_H_INCLUDED
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#define FAT_H_INCLUDED
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#include <parted/parted.h>
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#include <parted/endian.h>
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#include <parted/debug.h>
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#if ENABLE_NLS
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# include <libintl.h>
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# define _(String) dgettext (PACKAGE, String)
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#else
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# define _(String) (String)
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#endif /* ENABLE_NLS */
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#define BUFFER_SIZE 1024 /* buffer size in sectors (512 bytes) */
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typedef uint32_t FatCluster;
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typedef int32_t FatFragment;
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enum _FatType {
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FAT_TYPE_FAT12,
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FAT_TYPE_FAT16,
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FAT_TYPE_FAT32
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};
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typedef enum _FatType FatType;
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typedef struct _FatSpecific FatSpecific;
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typedef struct _FatDirEntry FatDirEntry;
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#include "bootsector.h"
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#include "count.h"
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struct _FatTable {
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void* table;
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FatCluster size;
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int raw_size;
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FatType fat_type;
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FatCluster cluster_count;
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FatCluster free_cluster_count;
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FatCluster bad_cluster_count;
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FatCluster last_alloc;
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};
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typedef struct _FatTable FatTable;
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struct __attribute__ ((packed)) _FatDirEntry {
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char name[8];
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uint8_t extension[3];
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uint8_t attributes;
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uint8_t is_upper_case_name;
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uint8_t creation_time_low; /* milliseconds */
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uint16_t creation_time_high;
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uint16_t creation_date;
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uint16_t access_date;
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uint16_t first_cluster_high; /* for FAT32 */
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uint16_t time;
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uint16_t date;
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uint16_t first_cluster;
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uint32_t length;
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};
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struct _FatSpecific {
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FatBootSector *boot_sector; /* structure of boot sector */
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FatInfoSector *info_sector; /* fat32-only information sector */
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int logical_sector_size; /* illogical sector size :-) */
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PedSector sector_count;
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int sectors_per_track; /* BIOS CHS stuff (S) */
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int heads; /* BIOS CHS stuff (H) */
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int cluster_size;
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PedSector cluster_sectors;
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FatCluster cluster_count;
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int dir_entries_per_cluster;
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FatType fat_type;
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int fat_table_count;
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PedSector fat_sectors;
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uint32_t serial_number;
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PedSector info_sector_offset; /* FAT32 only */
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PedSector fat_offset;
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PedSector root_dir_offset; /* non-FAT32 */
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PedSector cluster_offset;
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PedSector boot_sector_backup_offset;
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FatCluster root_cluster; /* FAT32 only */
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int root_dir_entry_count; /* non-FAT32 */
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PedSector root_dir_sector_count; /* non-FAT32 */
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FatCluster total_dir_clusters;
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FatTable* fat;
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FatClusterInfo* cluster_info;
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PedSector buffer_sectors;
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char* buffer;
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int frag_size;
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PedSector frag_sectors;
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FatFragment frag_count;
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FatFragment buffer_frags;
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FatFragment cluster_frags;
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};
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#define FAT_SPECIFIC(fs) ((FatSpecific*) fs->type_specific)
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#define FAT_ROOT 0
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#define DELETED_FLAG 0xe5
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#define READONLY_ATTR 0x01
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#define HIDDEN_ATTR 0x02
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#define SYSTEM_ATTR 0x04
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#define VOLUME_LABEL_ATTR 0x08
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#define VFAT_ATTR 0x0f
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#define DIRECTORY_ATTR 0x10
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#define ARCH_ATTR 0x20
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#define MAX_FAT12_CLUSTERS 4086
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#define MAX_FAT16_CLUSTERS 65526
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#define MAX_FAT32_CLUSTERS 2000000
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#define FAT_ROOT_DIR_ENTRY_COUNT 512
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extern PedFileSystemType fat16_type;
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extern PedFileSystemType fat32_type;
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extern void fat_print (const PedFileSystem* fs);
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extern PedFileSystem* fat_alloc (const PedGeometry* geom);
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extern void fat_free (PedFileSystem* fs);
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extern int fat_alloc_buffers (PedFileSystem* fs);
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extern int fat_resize (PedFileSystem* fs, PedGeometry* geom, PedTimer* timer);
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#endif /* FAT_H_INCLUDED */
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