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hfs.h

/*
 * libhfs - library for reading and writing Macintosh HFS volumes
 * Copyright (C) 1996-1998 Robert Leslie
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * $Id: hfs.h,v 1.11 1998/11/02 22:09:01 rob Exp $
 */

# include <time.h>

# define HFS_BLOCKSZ          512
# define HFS_BLOCKSZ_BITS     9

# define HFS_MAX_FLEN         31
# define HFS_MAX_VLEN         27

typedef struct _hfsvol_  hfsvol;
typedef struct _hfsfile_ hfsfile;
typedef struct _hfsdir_  hfsdir;

typedef struct {
  char name[HFS_MAX_VLEN + 1];      /* name of volume (MacOS Standard Roman) */
  int flags;                  /* volume flags */

  unsigned long totbytes;     /* total bytes on volume */
  unsigned long freebytes;    /* free bytes on volume */

  unsigned long alblocksz;    /* volume allocation block size */
  unsigned long clumpsz;      /* default file clump size */

  unsigned long numfiles;     /* number of files in volume */
  unsigned long numdirs;      /* number of directories in volume */

  time_t crdate;        /* volume creation date */
  time_t mddate;        /* last volume modification date */
  time_t bkdate;        /* last volume backup date */

  unsigned long blessed;      /* CNID of MacOS System Folder */
} hfsvolent;

typedef struct {
  char name[HFS_MAX_FLEN + 1];      /* catalog name (MacOS Standard Roman) */
  int flags;                  /* bit flags */
  unsigned long cnid;         /* catalog node id (CNID) */
  unsigned long parid;        /* CNID of parent directory */

  time_t crdate;        /* date of creation */
  time_t mddate;        /* date of last modification */
  time_t bkdate;        /* date of last backup */

  short fdflags;        /* Macintosh Finder flags */

  struct {
    signed short v;           /* Finder icon vertical coordinate */
    signed short h;           /* horizontal coordinate */
  } fdlocation;

  union {
    struct {
      unsigned long dsize;    /* size of data fork */
      unsigned long rsize;    /* size of resource fork */

      char type[5];           /* file type code (plus null) */
      char creator[5];        /* file creator code (plus null) */
    } file;

    struct {
      unsigned short valence; /* number of items in directory */

      struct {
      signed short top; /* top edge of folder's rectangle */
      signed short left;      /* left edge */
      signed short bottom;    /* bottom edge */
      signed short right;     /* right edge */
      } rect;
    } dir;
  } u;
} hfsdirent;

# define HFS_ISDIR            0x0001
# define HFS_ISLOCKED         0x0002

# define HFS_CNID_ROOTPAR     1
# define HFS_CNID_ROOTDIR     2
# define HFS_CNID_EXT         3
# define HFS_CNID_CAT         4
# define HFS_CNID_BADALLOC    5

# define HFS_FNDR_ISONDESK          (1 <<  0)
# define HFS_FNDR_COLOR             0x0e
# define HFS_FNDR_COLORRESERVED           (1 <<  4)
# define HFS_FNDR_REQUIRESSWITCHLAUNCH    (1 <<  5)
# define HFS_FNDR_ISSHARED          (1 <<  6)
# define HFS_FNDR_HASNOINITS        (1 <<  7)
# define HFS_FNDR_HASBEENINITED           (1 <<  8)
# define HFS_FNDR_RESERVED          (1 <<  9)
# define HFS_FNDR_HASCUSTOMICON           (1 << 10)
# define HFS_FNDR_ISSTATIONERY            (1 << 11)
# define HFS_FNDR_NAMELOCKED        (1 << 12)
# define HFS_FNDR_HASBUNDLE         (1 << 13)
# define HFS_FNDR_ISINVISIBLE       (1 << 14)
# define HFS_FNDR_ISALIAS           (1 << 15)

extern const char *hfs_error;
extern const unsigned char hfs_charorder[];

# define HFS_MODE_RDONLY      0
# define HFS_MODE_RDWR        1
# define HFS_MODE_ANY         2

# define HFS_MODE_MASK        0x0003

# define HFS_OPT_NOCACHE      0x0100
# define HFS_OPT_2048         0x0200
# define HFS_OPT_ZERO         0x0400

# define HFS_SEEK_SET         0
# define HFS_SEEK_CUR         1
# define HFS_SEEK_END         2

hfsvol *hfs_mount(const char *, int, int);
int hfs_flush(hfsvol *);
void hfs_flushall(void);
int hfs_umount(hfsvol *);
void hfs_umountall(void);
hfsvol *hfs_getvol(const char *);
void hfs_setvol(hfsvol *);

int hfs_vstat(hfsvol *, hfsvolent *);
int hfs_vsetattr(hfsvol *, hfsvolent *);

int hfs_chdir(hfsvol *, const char *);
unsigned long hfs_getcwd(hfsvol *);
int hfs_setcwd(hfsvol *, unsigned long);
int hfs_dirinfo(hfsvol *, unsigned long *, char *);

hfsdir *hfs_opendir(hfsvol *, const char *);
int hfs_readdir(hfsdir *, hfsdirent *);
int hfs_closedir(hfsdir *);

hfsfile *hfs_create(hfsvol *, const char *, const char *, const char *);
hfsfile *hfs_open(hfsvol *, const char *);
int hfs_setfork(hfsfile *, int);
int hfs_getfork(hfsfile *);
unsigned long hfs_read(hfsfile *, void *, unsigned long);
unsigned long hfs_write(hfsfile *, const void *, unsigned long);
int hfs_truncate(hfsfile *, unsigned long);
unsigned long hfs_seek(hfsfile *, long, int);
int hfs_close(hfsfile *);

int hfs_stat(hfsvol *, const char *, hfsdirent *);
int hfs_fstat(hfsfile *, hfsdirent *);
int hfs_setattr(hfsvol *, const char *, const hfsdirent *);
int hfs_fsetattr(hfsfile *, const hfsdirent *);

int hfs_mkdir(hfsvol *, const char *);
int hfs_rmdir(hfsvol *, const char *);

int hfs_delete(hfsvol *, const char *);
int hfs_rename(hfsvol *, const char *, const char *);

int hfs_zero(const char *, unsigned int, unsigned long *);
int hfs_mkpart(const char *, unsigned long);
int hfs_nparts(const char *);

int hfs_format(const char *, int, int,
             const char *, unsigned int, const unsigned long []);

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