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Annotation of uae/src/include/fsdb.h, revision 1.1

1.1     ! root        1:  /*
        !             2:   * UAE - The Un*x Amiga Emulator
        !             3:   *
        !             4:   * Library of functions to make emulated filesystem as independent as
        !             5:   * possible of the host filesystem's capabilities.
        !             6:   *
        !             7:   * Copyright 1999 Bernd Schmidt
        !             8:   */
        !             9: 
        !            10: #ifndef FSDB_FILE
        !            11: #define FSDB_FILE "_UAEFSDB.___"
        !            12: #endif
        !            13: 
        !            14: #ifndef FSDB_DIR_SEPARATOR
        !            15: #define FSDB_DIR_SEPARATOR '/'
        !            16: #endif
        !            17: 
        !            18: /* AmigaOS errors */
        !            19: #define ERROR_NO_FREE_STORE            103
        !            20: #define ERROR_OBJECT_IN_USE            202
        !            21: #define ERROR_OBJECT_EXISTS            203
        !            22: #define ERROR_DIR_NOT_FOUND            204
        !            23: #define ERROR_OBJECT_NOT_FOUND         205
        !            24: #define ERROR_ACTION_NOT_KNOWN         209
        !            25: #define ERROR_INVALID_LOCK             211
        !            26: #define ERROR_OBJECT_WRONG_TYPE                212
        !            27: #define ERROR_DISK_WRITE_PROTECTED     214
        !            28: #define ERROR_DIRECTORY_NOT_EMPTY      216
        !            29: #define ERROR_DEVICE_NOT_MOUNTED       218
        !            30: #define ERROR_SEEK_ERROR               219
        !            31: #define ERROR_DISK_IS_FULL             221
        !            32: #define ERROR_DELETE_PROTECTED         222
        !            33: #define ERROR_WRITE_PROTECTED          223
        !            34: #define ERROR_READ_PROTECTED           224
        !            35: #define ERROR_NO_MORE_ENTRIES          232
        !            36: #define ERROR_NOT_IMPLEMENTED          236
        !            37: 
        !            38: #define A_FIBF_SCRIPT  (1<<6)
        !            39: #define A_FIBF_PURE    (1<<5)
        !            40: #define A_FIBF_ARCHIVE (1<<4)
        !            41: #define A_FIBF_READ    (1<<3)
        !            42: #define A_FIBF_WRITE   (1<<2)
        !            43: #define A_FIBF_EXECUTE (1<<1)
        !            44: #define A_FIBF_DELETE  (1<<0)
        !            45: 
        !            46: /* AmigaOS "keys" */
        !            47: typedef struct a_inode_struct {
        !            48:     /* Circular list of recycleable a_inodes.  */
        !            49:     struct a_inode_struct *next, *prev;
        !            50:     /* This a_inode's relatives in the directory structure.  */
        !            51:     struct a_inode_struct *parent;
        !            52:     struct a_inode_struct *child, *sibling;
        !            53:     /* AmigaOS name, and host OS name.  The host OS name is a full path, the
        !            54:      * AmigaOS name is relative to the parent.  */
        !            55:     char *aname;
        !            56:     char *nname;
        !            57:     /* AmigaOS file comment, or NULL if file has none.  */
        !            58:     char *comment;
        !            59:     /* AmigaOS protection bits.  */
        !            60:     int amigaos_mode;
        !            61:     /* Unique number for identification.  */
        !            62:     uae_u32 uniq;
        !            63:     /* AmigaOS locking bits.  */
        !            64:     int shlock;
        !            65:     unsigned int dir:1;
        !            66:     unsigned int elock:1;
        !            67:     /* Nonzero if this came from an entry in our database.  */
        !            68:     unsigned int has_dbentry:1;
        !            69:     /* Nonzero if this will need an entry in our database.  */
        !            70:     unsigned int needs_dbentry:1;
        !            71:     /* This a_inode possibly needs writing back to the database.  */
        !            72:     unsigned int dirty:1;
        !            73:     /* If nonzero, this represents a deleted file; the corresponding
        !            74:      * entry in the database must be cleared.  */
        !            75:     unsigned int deleted:1;
        !            76: } a_inode;
        !            77: 
        !            78: extern char *nname_begin (char *);
        !            79: 
        !            80: extern char *build_nname (const char *d, const char *n);
        !            81: extern char *build_aname (const char *d, const char *n);
        !            82: 
        !            83: /* Filesystem-independent functions.  */
        !            84: extern void fsdb_clean_dir (a_inode *);
        !            85: extern char *fsdb_search_dir (const char *dirname, char *rel);
        !            86: extern void fsdb_dir_writeback (a_inode *);
        !            87: extern int fsdb_used_as_nname (a_inode *base, const char *);
        !            88: extern a_inode *fsdb_lookup_aino_aname (a_inode *base, const char *);
        !            89: extern a_inode *fsdb_lookup_aino_nname (a_inode *base, const char *);
        !            90: 
        !            91: static __inline__ int same_aname (const char *an1, const char *an2)
        !            92: {
        !            93:     return strcasecmp (an1, an2) == 0;
        !            94: }
        !            95: 
        !            96: /* Filesystem-dependent functions.  */
        !            97: extern int fsdb_name_invalid (const char *n);
        !            98: extern void fsdb_fill_file_attrs (a_inode *);
        !            99: extern int fsdb_set_file_attrs (a_inode *, int);
        !           100: extern int fsdb_mode_representable_p (const a_inode *);
        !           101: extern char *fsdb_create_unique_nname (a_inode *base, const char *);

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