ext2fs.h

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extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk);
extern errcode_t
	ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb,
					    ext2_badblocks_iterate *ret);
extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter,
					 blk_t *blk);
extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter);
extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src,
				       ext2_badblocks_list *dest);
extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1,
				  ext2_badblocks_list bb2);
extern int ext2fs_u32_list_count(ext2_u32_list bb);

/* bb_compat */
extern errcode_t badblocks_list_create(badblocks_list *ret, int size);
extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk);
extern int badblocks_list_test(badblocks_list bb, blk_t blk);
extern errcode_t badblocks_list_iterate_begin(badblocks_list bb,
					      badblocks_iterate *ret);
extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk);
extern void badblocks_list_iterate_end(badblocks_iterate iter);
extern void badblocks_list_free(badblocks_list bb);

/* bb_inode.c */
extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs,
					ext2_badblocks_list bb_list);

/* bitmaps.c */
extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs);
extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs);
extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs);
extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs);
extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start,
						__u32 end,
						__u32 real_end,
						const char *descr,
						ext2fs_generic_bitmap *ret);
extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs,
					      const char *descr,
					      ext2fs_block_bitmap *ret);
extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs,
					      const char *descr,
					      ext2fs_inode_bitmap *ret);
extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap,
					       ext2_ino_t end, ext2_ino_t *oend);
extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap,
					       blk_t end, blk_t *oend);
extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap);
extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap);
extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs);
extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs);

/* block.c */
extern errcode_t ext2fs_block_iterate(ext2_filsys fs,
				      ext2_ino_t	ino,
				      int	flags,
				      char *block_buf,
				      int (*func)(ext2_filsys fs,
						  blk_t	*blocknr,
						  int	blockcnt,
						  void	*priv_data),
				      void *priv_data);
errcode_t ext2fs_block_iterate2(ext2_filsys fs,
				ext2_ino_t	ino,
				int	flags,
				char *block_buf,
				int (*func)(ext2_filsys fs,
					    blk_t	*blocknr,
					    e2_blkcnt_t	blockcnt,
					    blk_t	ref_blk,
					    int		ref_offset,
					    void	*priv_data),
				void *priv_data);

/* bmap.c */
extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino,
			     struct ext2_inode *inode,
			     char *block_buf, int bmap_flags,
			     blk_t block, blk_t *phys_blk);


#if 0
/* bmove.c */
extern errcode_t ext2fs_move_blocks(ext2_filsys fs,
				    ext2fs_block_bitmap reserve,
				    ext2fs_block_bitmap alloc_map,
				    int flags);
#endif

/* check_desc.c */
extern errcode_t ext2fs_check_desc(ext2_filsys fs);

/* closefs.c */
extern errcode_t ext2fs_close(ext2_filsys fs);
extern errcode_t ext2fs_flush(ext2_filsys fs);
extern int ext2fs_bg_has_super(ext2_filsys fs, int group_block);
extern int ext2fs_super_and_bgd_loc(ext2_filsys fs,
				    dgrp_t group,
				    blk_t *ret_super_blk,
				    blk_t *ret_old_desc_blk,
				    blk_t *ret_new_desc_blk,
				    int *ret_meta_bg);
extern void ext2fs_update_dynamic_rev(ext2_filsys fs);

/* cmp_bitmaps.c */
extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1,
					     ext2fs_block_bitmap bm2);
extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1,
					     ext2fs_inode_bitmap bm2);

/* dblist.c */

extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs);
extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist);
extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino,
				      blk_t blk, int blockcnt);
extern void ext2fs_dblist_sort(ext2_dblist dblist,
			       int (*sortfunc)(const void *,
							   const void *));
extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist,
	int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info,
		    void	*priv_data),
       void *priv_data);
extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino,
				      blk_t blk, int blockcnt);
extern errcode_t ext2fs_copy_dblist(ext2_dblist src,
				    ext2_dblist *dest);
extern int ext2fs_dblist_count(ext2_dblist dblist);

/* dblist_dir.c */
extern errcode_t
	ext2fs_dblist_dir_iterate(ext2_dblist dblist,
				  int	flags,
				  char	*block_buf,
				  int (*func)(ext2_ino_t	dir,
					      int		entry,
					      struct ext2_dir_entry *dirent,
					      int	offset,
					      int	blocksize,
					      char	*buf,
					      void	*priv_data),
				  void *priv_data);

/* dirblock.c */
extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block,
				       void *buf);
extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block,
					void *buf, int flags);
extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block,
					void *buf);
extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block,
					 void *buf, int flags);

/* dirhash.c */
extern errcode_t ext2fs_dirhash(int version, const char *name, int len,
				const __u32 *seed,
				ext2_dirhash_t *ret_hash,
				ext2_dirhash_t *ret_minor_hash);


/* dir_iterate.c */
extern errcode_t ext2fs_dir_iterate(ext2_filsys fs,
			      ext2_ino_t dir,
			      int flags,
			      char *block_buf,
			      int (*func)(struct ext2_dir_entry *dirent,
					  int	offset,
					  int	blocksize,
					  char	*buf,
					  void	*priv_data),
			      void *priv_data);
extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs,
			      ext2_ino_t dir,
			      int flags,
			      char *block_buf,
			      int (*func)(ext2_ino_t	dir,
					  int	entry,
					  struct ext2_dir_entry *dirent,
					  int	offset,
					  int	blocksize,
					  char	*buf,
					  void	*priv_data),
			      void *priv_data);

/* dupfs.c */
extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest);

/* expanddir.c */
extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir);

/* ext_attr.c */
extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf);
extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block,
				       void *buf);
extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk,
					   char *block_buf,
					   int adjust, __u32 *newcount);

/* fileio.c */
extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino,
				   struct ext2_inode *inode,
				   int flags, ext2_file_t *ret);
extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino,
				  int flags, ext2_file_t *ret);
extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file);
extern errcode_t ext2fs_file_close(ext2_file_t file);
extern errcode_t ext2fs_file_flush(ext2_file_t file);
extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf,
				  unsigned int wanted, unsigned int *got);
extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf,
				   unsigned int nbytes, unsigned int *written);
extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset,
				   int whence, __u64 *ret_pos);
extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset,
				   int whence, ext2_off_t *ret_pos);
errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size);
extern ext2_off_t ext2fs_file_get_size(ext2_file_t file);
extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size);

/* finddev.c */
extern char *ext2fs_find_block_device(dev_t device);

/* flushb.c */
extern errcode_t ext2fs_sync_device(int fd, int flushb);

/* freefs.c */
extern void ext2fs_free(ext2_filsys fs);
extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap);
extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap);
extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap);
extern void ext2fs_free_dblist(ext2_dblist dblist);
extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb);
extern void ext2fs_u32_list_free(ext2_u32_list bb);

/* getsize.c */
extern errcode_t ext2fs_get_device_size(const char *file, int blocksize,
					blk_t *retblocks);

/* getsectsize.c */
errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize);

/* imager.c */
extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags);
extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags);
extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags);
extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags);
extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags);
extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags);

/* ind_block.c */
errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf);
errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf);

/* initialize.c */
extern errcode_t ext2fs_initialize(const char *name, int flags,
				   struct ext2_super_block *param,
				   io_manager manager, ext2_filsys *ret_fs);

/* icount.c */
extern void ext2fs_free_icount(ext2_icount_t icount);
extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags,
				       unsigned int size,
				       ext2_icount_t hint, ext2_icount_t *ret);
extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags,
				      unsigned int size,
				      ext2_icount_t *ret);
extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino,
				     __u16 *ret);
extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino,
					 __u16 *ret);
extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino,
					 __u16 *ret);
extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino,
				     __u16 count);
extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount);
errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *);

/* inode.c */
extern errcode_t ext2fs_flush_icache(ext2_filsys fs);
extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan,
					    ext2_ino_t *ino,
					    struct ext2_inode *inode,
					    int bufsize);
extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks,
				  ext2_inode_scan *ret_scan);
extern void ext2fs_close_inode_scan(ext2_inode_scan scan);
extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino,
			       struct ext2_inode *inode);
extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan,
						   int	group);
extern void ext2fs_set_inode_callback
	(ext2_inode_scan scan,
	 errcode_t (*done_group)(ext2_filsys fs,
				 dgrp_t group,
				 void * priv_data),
	 void *done_group_data);
extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags,
				   int clear_flags);
extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino,
					struct ext2_inode * inode,
					int bufsize);
extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino,
			    struct ext2_inode * inode);
extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino,
					 struct ext2_inode * inode,
					 int bufsize);
extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino,
			    struct ext2_inode * inode);
extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino,
			    struct ext2_inode * inode);
extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks);
extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino);

/* inode_io.c */
extern io_manager inode_io_manager;
extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino,
					char **name);
extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino,
					 struct ext2_inode *inode,
					 char **name);

/* ismounted.c */
extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags);
extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags,
					  char *mtpt, int mtlen);

/* namei.c */
extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name,
			 int namelen, char *buf, ext2_ino_t *inode);
extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd,
			const char *name, ext2_ino_t *inode);
errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd,
			      const char *name, ext2_ino_t *inode);
extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd,
			ext2_ino_t inode, ext2_ino_t *res_inode);

/* native.c */
int ext2fs_native_flag(void);

/* newdir.c */
extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino,
				ext2_ino_t parent_ino, char **block);

/* mkdir.c */
extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum,
			      const char *name);

/* mkjournal.c */
extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs,
						  __u32 size, int flags,
						  char  **ret_jsb);
extern errcode_t ext2fs_add_journal_device(ext2_filsys fs,
					   ext2_filsys journal_dev);
extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t size,
					  int flags);

/* openfs.c */
extern errcode_t ext2fs_open(const char *name, int flags, int superblock,
			     unsigned int block_size, io_manager manager,
			     ext2_filsys *ret_fs);
extern errcode_t ext2fs_open2(const char *name, const char *io_options,
			      int flags, int superblock,
			      unsigned int block_size, io_manager manager,
			      ext2_filsys *ret_fs);
extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block,
					 dgrp_t i);
errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io);
errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io);
errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io);

/* get_pathname.c */
extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino,
			       char **name);

/* link.c */
errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name,
		      ext2_ino_t ino, int flags);
errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name,
			ext2_ino_t ino, int flags);

/* read_bb.c */
extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs,
				      ext2_badblocks_list *bb_list);

/* read_bb_file.c */
extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f,
				      ext2_badblocks_list *bb_list,
				      void *priv_data,
				      void (*invalid)(ext2_filsys fs,
						      blk_t blk,
						      char *badstr,
						      void *priv_data));
extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f,
				     ext2_badblocks_list *bb_list,
				     void (*invalid)(ext2_filsys fs,
						     blk_t blk));

/* res_gdt.c */
extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs);

/* rs_bitmap.c */
extern errcode_t ext2fs_resize_generic_bitmap(__u32 new_end,
					      __u32 new_real_end,
					      ext2fs_generic_bitmap bmap);
extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end,
					    ext2fs_inode_bitmap bmap);
extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end,
					    ext2fs_block_bitmap bmap);
extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src,
				    ext2fs_generic_bitmap *dest);

/* swapfs.c */
extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize,
				 int has_header);
extern void ext2fs_swap_super(struct ext2_super_block * super);
extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp);
extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t,
				   struct ext2_inode_large *f, int hostorder,
				   int bufsize);
extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t,
			      struct ext2_inode *f, int hostorder);

/* valid_blk.c */
extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode);

/* version.c */
extern int ext2fs_parse_version_string(const char *ver_string);
extern int ext2fs_get_library_version(const char **ver_string,
				      const char **date_string);

/* write_bb_file.c */
extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list,
				      unsigned int flags,
				      FILE *f);


/* inline functions */
extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr);
extern errcode_t ext2fs_free_mem(void *ptr);
extern errcode_t ext2fs_resize_mem(unsigned long old_size,
				   unsigned long size, void *ptr);
extern void ext2fs_mark_super_dirty(ext2_filsys fs);
extern void ext2fs_mark_changed(ext2_filsys fs);
extern int ext2fs_test_changed(ext2_filsys fs);
extern void ext2fs_mark_valid(ext2_filsys fs);
extern void ext2fs_unmark_valid(ext2_filsys fs);
extern int ext2fs_test_valid(ext2_filsys fs);
extern void ext2fs_mark_ib_dirty(ext2_filsys fs);
extern void ext2fs_mark_bb_dirty(ext2_filsys fs);
extern int ext2fs_test_ib_dirty(ext2_filsys fs);
extern int ext2fs_test_bb_dirty(ext2_filsys fs);
extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk);
extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino);
extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs,
				      struct ext2_inode *inode);

#ifdef __cplusplus
}
#endif

#endif /* _EXT2FS_EXT2FS_H */