77 lines
1.6 KiB
C++
77 lines
1.6 KiB
C++
#pragma once
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#include <stdint.h>
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struct Superblock {
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uint32_t inodes_count;
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uint32_t blocks_count;
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uint32_t reserved_blocks_count;
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uint32_t free_blocks_count;
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uint32_t free_inodes_count;
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uint32_t first_data_blok;
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uint32_t log_block_size;
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uint32_t log_frag_size;
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uint32_t blocks_per_group;
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uint32_t frags_per_group;
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uint32_t inodes_per_group;
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uint32_t mtime;
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uint32_t wtime;
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uint16_t mnt_count;
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uint16_t max_mnt_count;
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uint16_t magic;
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uint16_t state;
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uint16_t errors;
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uint16_t minor_rev_level;
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uint32_t lastcheck;
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uint32_t checkinterval;
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uint32_t creator_os;
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uint32_t rev_level;
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uint16_t def_resuid;
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uint16_t def_resgid;
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uint32_t first_ino;
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uint16_t inode_size;
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} __attribute__((__packed__));
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struct BlockGroupDescriptor {
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uint32_t block_bitmap;
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uint32_t inode_bitmap;
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uint32_t inode_table;
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uint16_t free_blocks_count;
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uint16_t free_inodes_count;
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uint16_t used_dirs_count;
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uint8_t reserved[14];
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} __attribute__((__packed__));
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struct Inode {
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uint16_t mode;
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uint16_t uid;
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uint32_t size;
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uint32_t atime;
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uint32_t ctime;
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uint32_t mtime;
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uint32_t dtime;
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uint16_t gid;
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uint16_t links_count;
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uint32_t blocks;
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uint32_t flags;
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uint32_t osd1;
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uint32_t block[15];
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uint32_t generation;
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uint32_t file_acl;
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uint32_t dir_acl;
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uint32_t faddr;
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uint32_t osd2[3];
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} __attribute__((__packed__));
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constexpr uint8_t kExt2FtUnknown = 0;
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constexpr uint8_t kExt2FtFile = 1;
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constexpr uint8_t kExt2FtDirectory = 2;
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struct DirEntry {
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uint32_t inode;
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uint16_t record_length;
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uint8_t name_len;
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uint8_t file_type;
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char name[256];
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} __attribute__((__packed__));
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