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#ifndef DOS_DOS_H
#define DOS_DOS_H
/*
**      $VER: dos.h 36.27 (5.4.1992)
**      Includes Release 44.1
**
**      Standard C header for AmigaDOS
**
**      (C) Copyright 1985-1999 Amiga, Inc.
**          All Rights Reserved
*/

#ifndef EXEC_TYPES_H
#include <exec/types.h>
#endif


#define  DOSNAME  "dos.library"

/* Predefined Amiga DOS global constants */

#define DOSTRUE (-1L)
#define DOSFALSE (0L)

/* Mode parameter to Open() */
#define MODE_OLDFILE         1005   /* Open existing file read/write
                                     * positioned at beginning of file. */
#define MODE_NEWFILE         1006   /* Open freshly created file (delete
                                     * old file) read/write, exclusive lock. */
#define MODE_READWRITE       1004   /* Open old file w/shared lock,
                                     * creates file if doesn't exist. */

/* Relative position to Seek() */
#define OFFSET_BEGINNING    -1      /* relative to Begining Of File */
#define OFFSET_CURRENT       0      /* relative to Current file position */
#define OFFSET_END           1      /* relative to End Of File    */

#define OFFSET_BEGINING     OFFSET_BEGINNING  /* ancient compatibility */

#define BITSPERBYTE          8
#define BYTESPERLONG         4
#define BITSPERLONG          32
#define MAXINT               0x7FFFFFFF
#define MININT               0x80000000

/* Passed as type to Lock() */
#define SHARED_LOCK          -2     /* File is readable by others */
#define ACCESS_READ          -2     /* Synonym */
#define EXCLUSIVE_LOCK       -1     /* No other access allowed    */
#define ACCESS_WRITE         -1     /* Synonym */

struct DateStamp {
   LONG  ds_Days;             /* Number of days since Jan. 1, 1978 */
   LONG  ds_Minute;           /* Number of minutes past midnight */
   LONG  ds_Tick;             /* Number of ticks past minute */
}; /* DateStamp */

#define TICKS_PER_SECOND      50   /* Number of ticks in one second */

/* Returned by Examine() and ExNext(), must be on a 4 byte boundary */
struct FileInfoBlock {
   LONG   fib_DiskKey;
   LONG   fib_DirEntryType;  /* Type of Directory. If < 0, then a plain file.
                              * If > 0 a directory */
   char   fib_FileName[108]; /* Null terminated. Max 30 chars used for now */
   LONG   fib_Protection;    /* bit mask of protection, rwxd are 3-0.      */
   LONG   fib_EntryType;
   LONG   fib_Size;          /* Number of bytes in file */
   LONG   fib_NumBlocks;     /* Number of blocks in file */
   struct DateStamp fib_Date;/* Date file last changed */
   char   fib_Comment[80];  /* Null terminated comment associated with file */

   /* Note: the following fields are not supported by all filesystems.  */
   /* They should be initialized to 0 sending an ACTION_EXAMINE packet. */
   /* When Examine() is called, these are set to 0 for you.             */
   /* AllocDosObject() also initializes them to 0.                      */
   UWORD  fib_OwnerUID;         /* owner's UID */
   UWORD  fib_OwnerGID;         /* owner's GID */

   char   fib_Reserved[32];
}; /* FileInfoBlock */

/* FIB stands for FileInfoBlock */

/* FIBB are bit definitions, FIBF are field definitions */
/* Regular RWED bits are 0 == allowed. */
/* NOTE: GRP and OTR RWED permissions are 0 == not allowed! */
/* Group and Other permissions are not directly handled by the filesystem */
#define FIBB_OTR_READ      15   /* Other: file is readable */
#define FIBB_OTR_WRITE     14   /* Other: file is writable */
#define FIBB_OTR_EXECUTE   13   /* Other: file is executable */
#define FIBB_OTR_DELETE    12   /* Other: prevent file from being deleted */
#define FIBB_GRP_READ      11   /* Group: file is readable */
#define FIBB_GRP_WRITE     10   /* Group: file is writable */
#define FIBB_GRP_EXECUTE   9    /* Group: file is executable */
#define FIBB_GRP_DELETE    8    /* Group: prevent file from being deleted */

#define FIBB_SCRIPT    6        /* program is a script (execute) file */
#define FIBB_PURE      5        /* program is reentrant and rexecutable */
#define FIBB_ARCHIVE   4        /* cleared whenever file is changed */
#define FIBB_READ      3        /* ignored by old filesystem */
#define FIBB_WRITE     2        /* ignored by old filesystem */
#define FIBB_EXECUTE   1        /* ignored by system, used by Shell */
#define FIBB_DELETE    0        /* prevent file from being deleted */

#define FIBF_OTR_READ      (1<<FIBB_OTR_READ)
#define FIBF_OTR_WRITE     (1<<FIBB_OTR_WRITE)
#define FIBF_OTR_EXECUTE   (1<<FIBB_OTR_EXECUTE)
#define FIBF_OTR_DELETE    (1<<FIBB_OTR_DELETE)
#define FIBF_GRP_READ      (1<<FIBB_GRP_READ)
#define FIBF_GRP_WRITE     (1<<FIBB_GRP_WRITE)
#define FIBF_GRP_EXECUTE   (1<<FIBB_GRP_EXECUTE)
#define FIBF_GRP_DELETE    (1<<FIBB_GRP_DELETE)

#define FIBF_SCRIPT    (1<<FIBB_SCRIPT)
#define FIBF_PURE      (1<<FIBB_PURE)
#define FIBF_ARCHIVE   (1<<FIBB_ARCHIVE)
#define FIBF_READ      (1<<FIBB_READ)
#define FIBF_WRITE     (1<<FIBB_WRITE)
#define FIBF_EXECUTE   (1<<FIBB_EXECUTE)
#define FIBF_DELETE    (1<<FIBB_DELETE)

/* Standard maximum length for an error string from fault.  However, most */
/* error strings should be kept under 60 characters if possible.  Don't   */
/* forget space for the header you pass in. */
#define FAULT_MAX       82

/* All BCPL data must be long word aligned.  BCPL pointers are the long word
 *  address (i.e byte address divided by 4 (>>2)) */
typedef long  BPTR;                 /* Long word pointer */
typedef long  BSTR;                 /* Long word pointer to BCPL string  */

/* Convert BPTR to typical C pointer */
#ifdef OBSOLETE_LIBRARIES_DOS_H
#define BADDR( bptr )   (((ULONG)bptr) << 2)
#else
/* This one has no problems with CASTing */
#define BADDR(x)        ((APTR)((ULONG)(x) << 2))
#endif
/* Convert address into a BPTR */
#define MKBADDR(x)      (((LONG)(x)) >> 2)

/* BCPL strings have a length in the first byte and then the characters.
 * For example:  s[0]=3 s[1]=S s[2]=Y s[3]=S                             */

/* returned by Info(), must be on a 4 byte boundary */
struct InfoData {
   LONG   id_NumSoftErrors;     /* number of soft errors on disk */
   LONG   id_UnitNumber;        /* Which unit disk is (was) mounted on */
   LONG   id_DiskState;         /* See defines below */
   LONG   id_NumBlocks;         /* Number of blocks on disk */
   LONG   id_NumBlocksUsed;     /* Number of block in use */
   LONG   id_BytesPerBlock;
   LONG   id_DiskType;          /* Disk Type code */
   BPTR   id_VolumeNode;        /* BCPL pointer to volume node (see DosList) */
   LONG   id_InUse;             /* Flag, zero if not in use */
}; /* InfoData */

/* ID stands for InfoData */
        /* Disk states */
#define ID_WRITE_PROTECTED 80    /* Disk is write protected */
#define ID_VALIDATING      81    /* Disk is currently being validated */
#define ID_VALIDATED       82    /* Disk is consistent and writeable */

        /* Disk types */
/* ID_INTER_* use international case comparison routines for hashing */
/* Any other new filesystems should also, if possible. */
#define ID_NO_DISK_PRESENT      (-1)
#define ID_UNREADABLE_DISK      (0x42414400L)   /* 'BAD\0' */
#define ID_DOS_DISK             (0x444F5300L)   /* 'DOS\0' */
#define ID_FFS_DISK             (0x444F5301L)   /* 'DOS\1' */
#define ID_INTER_DOS_DISK       (0x444F5302L)   /* 'DOS\2' */
#define ID_INTER_FFS_DISK       (0x444F5303L)   /* 'DOS\3' */
#define ID_FASTDIR_DOS_DISK     (0x444F5304L)   /* 'DOS\4' */
#define ID_FASTDIR_FFS_DISK     (0x444F5305L)   /* 'DOS\5' */
#define ID_NOT_REALLY_DOS       (0x4E444F53L)   /* 'NDOS'  */
#define ID_KICKSTART_DISK       (0x4B49434BL)   /* 'KICK'  */
#define ID_MSDOS_DISK           (0x4d534400L)   /* 'MSD\0' */

/* Errors from IoErr(), etc. */
#define ERROR_NO_FREE_STORE               103
#define ERROR_TASK_TABLE_FULL             105
#define ERROR_BAD_TEMPLATE                114
#define ERROR_BAD_NUMBER                  115
#define ERROR_REQUIRED_ARG_MISSING        116
#define ERROR_KEY_NEEDS_ARG               117
#define ERROR_TOO_MANY_ARGS               118
#define ERROR_UNMATCHED_QUOTES            119
#define ERROR_LINE_TOO_LONG               120
#define ERROR_FILE_NOT_OBJECT             121
#define ERROR_INVALID_RESIDENT_LIBRARY    122
#define ERROR_NO_DEFAULT_DIR              201
#define ERROR_OBJECT_IN_USE               202
#define ERROR_OBJECT_EXISTS               203
#define ERROR_DIR_NOT_FOUND               204
#define ERROR_OBJECT_NOT_FOUND            205
#define ERROR_BAD_STREAM_NAME             206
#define ERROR_OBJECT_TOO_LARGE            207
#define ERROR_ACTION_NOT_KNOWN            209
#define ERROR_INVALID_COMPONENT_NAME      210
#define ERROR_INVALID_LOCK                211
#define ERROR_OBJECT_WRONG_TYPE           212
#define ERROR_DISK_NOT_VALIDATED          213
#define ERROR_DISK_WRITE_PROTECTED        214
#define ERROR_RENAME_ACROSS_DEVICES       215
#define ERROR_DIRECTORY_NOT_EMPTY         216
#define ERROR_TOO_MANY_LEVELS             217
#define ERROR_DEVICE_NOT_MOUNTED          218
#define ERROR_SEEK_ERROR                  219
#define ERROR_COMMENT_TOO_BIG             220
#define ERROR_DISK_FULL                   221
#define ERROR_DELETE_PROTECTED            222
#define ERROR_WRITE_PROTECTED             223
#define ERROR_READ_PROTECTED              224
#define ERROR_NOT_A_DOS_DISK              225
#define ERROR_NO_DISK                     226
#define ERROR_NO_MORE_ENTRIES             232
/* added for 1.4 */
#define ERROR_IS_SOFT_LINK                233
#define ERROR_OBJECT_LINKED               234
#define ERROR_BAD_HUNK                    235
#define ERROR_NOT_IMPLEMENTED             236
#define ERROR_RECORD_NOT_LOCKED           240
#define ERROR_LOCK_COLLISION              241
#define ERROR_LOCK_TIMEOUT                242
#define ERROR_UNLOCK_ERROR                243

/* error codes 303-305 are defined in dosasl.h */

/* These are the return codes used by convention by AmigaDOS commands */
/* See FAILAT and IF for relvance to EXECUTE files                    */
#define RETURN_OK                           0  /* No problems, success */
#define RETURN_WARN                         5  /* A warning only */
#define RETURN_ERROR                       10  /* Something wrong */
#define RETURN_FAIL                        20  /* Complete or severe failure*/

/* Bit numbers that signal you that a user has issued a break */
#define SIGBREAKB_CTRL_C   12
#define SIGBREAKB_CTRL_D   13
#define SIGBREAKB_CTRL_E   14
#define SIGBREAKB_CTRL_F   15

/* Bit fields that signal you that a user has issued a break */
/* for example:  if (SetSignal(0,0) & SIGBREAKF_CTRL_C) cleanup_and_exit(); */
#define SIGBREAKF_CTRL_C   (1<<SIGBREAKB_CTRL_C)
#define SIGBREAKF_CTRL_D   (1<<SIGBREAKB_CTRL_D)
#define SIGBREAKF_CTRL_E   (1<<SIGBREAKB_CTRL_E)
#define SIGBREAKF_CTRL_F   ((long)1<<SIGBREAKB_CTRL_F)

/* Values returned by SameLock() */
#define LOCK_DIFFERENT          -1
#define LOCK_SAME               0
#define LOCK_SAME_VOLUME        1       /* locks are on same volume */
#define LOCK_SAME_HANDLER       LOCK_SAME_VOLUME
/* LOCK_SAME_HANDLER was a misleading name, def kept for src compatibility */

/* types for ChangeMode() */
#define CHANGE_LOCK     0
#define CHANGE_FH       1

/* Values for MakeLink() */
#define LINK_HARD       0
#define LINK_SOFT       1       /* softlinks are not fully supported yet */

/* values returned by ReadItem */
#define ITEM_EQUAL      -2              /* "=" Symbol */
#define ITEM_ERROR      -1              /* error */
#define ITEM_NOTHING    0               /* *N, ;, endstreamch */
#define ITEM_UNQUOTED   1               /* unquoted item */
#define ITEM_QUOTED     2               /* quoted item */

/* types for AllocDosObject/FreeDosObject */
#define DOS_FILEHANDLE          0       /* few people should use this */
#define DOS_EXALLCONTROL        1       /* Must be used to allocate this! */
#define DOS_FIB                 2       /* useful */
#define DOS_STDPKT              3       /* for doing packet-level I/O */
#define DOS_CLI                 4       /* for shell-writers, etc */
#define DOS_RDARGS              5       /* for ReadArgs if you pass it in */

#endif  /* DOS_DOS_H */