/* * linux/fs/hfs/hfs.h * * Copyright (C) 1995-1997 Paul H. Hargrove * (C) 2003 Ardis Technologies <[email protected]> * This file may be distributed under the terms of the GNU General Public License. */ #ifndef _HFS_H #define _HFS_H /* offsets to various blocks */ #define HFS_DD_BLK … #define HFS_PMAP_BLK … #define HFS_MDB_BLK … /* magic numbers for various disk blocks */ #define HFS_DRVR_DESC_MAGIC … #define HFS_OLD_PMAP_MAGIC … #define HFS_NEW_PMAP_MAGIC … #define HFS_SUPER_MAGIC … #define HFS_MFS_SUPER_MAGIC … /* various FIXED size parameters */ #define HFS_SECTOR_SIZE … #define HFS_SECTOR_SIZE_BITS … #define HFS_NAMELEN … #define HFS_MAX_NAMELEN … #define HFS_MAX_VALENCE … /* Meanings of the drAtrb field of the MDB, * Reference: _Inside Macintosh: Files_ p. 2-61 */ #define HFS_SB_ATTRIB_HLOCK … #define HFS_SB_ATTRIB_UNMNT … #define HFS_SB_ATTRIB_SPARED … #define HFS_SB_ATTRIB_INCNSTNT … #define HFS_SB_ATTRIB_SLOCK … /* Some special File ID numbers */ #define HFS_POR_CNID … #define HFS_ROOT_CNID … #define HFS_EXT_CNID … #define HFS_CAT_CNID … #define HFS_BAD_CNID … #define HFS_ALLOC_CNID … #define HFS_START_CNID … #define HFS_ATTR_CNID … #define HFS_EXCH_CNID … #define HFS_FIRSTUSER_CNID … /* values for hfs_cat_rec.cdrType */ #define HFS_CDR_DIR … #define HFS_CDR_FIL … #define HFS_CDR_THD … #define HFS_CDR_FTH … /* legal values for hfs_ext_key.FkType and hfs_file.fork */ #define HFS_FK_DATA … #define HFS_FK_RSRC … /* bits in hfs_fil_entry.Flags */ #define HFS_FIL_LOCK … #define HFS_FIL_THD … #define HFS_FIL_DOPEN … #define HFS_FIL_ROPEN … #define HFS_FIL_DIR … #define HFS_FIL_NOCOPY … #define HFS_FIL_USED … /* bits in hfs_dir_entry.Flags. dirflags is 16 bits. */ #define HFS_DIR_LOCK … #define HFS_DIR_THD … #define HFS_DIR_INEXPFOLDER … #define HFS_DIR_MOUNTED … #define HFS_DIR_DIR … #define HFS_DIR_EXPFOLDER … /* bits hfs_finfo.fdFlags */ #define HFS_FLG_INITED … #define HFS_FLG_LOCKED … #define HFS_FLG_INVISIBLE … /*======== HFS structures as they appear on the disk ========*/ /* Pascal-style string of up to 31 characters */ struct hfs_name { … } __packed; struct hfs_point { … } __packed; struct hfs_rect { … } __packed; struct hfs_finfo { … } __packed; struct hfs_fxinfo { … } __packed; struct hfs_dinfo { … } __packed; struct hfs_dxinfo { … } __packed; hfs_finder_info __packed; /* Cast to a pointer to a generic bkey */ #define HFS_BKEY(X) … /* The key used in the catalog b-tree: */ struct hfs_cat_key { … } __packed; /* The key used in the extents b-tree: */ struct hfs_ext_key { … } __packed; hfs_btree_key; #define HFS_MAX_CAT_KEYLEN … #define HFS_MAX_EXT_KEYLEN … btree_key; struct hfs_extent { … }; hfs_extent_rec; /* The catalog record for a file */ struct hfs_cat_file { … } __packed; /* the catalog record for a directory */ struct hfs_cat_dir { … } __packed; /* the catalog record for a thread */ struct hfs_cat_thread { … } __packed; /* A catalog tree record */ hfs_cat_rec; struct hfs_mdb { … } __packed; /*======== Data structures kept in memory ========*/ struct hfs_readdir_data { … }; #endif
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