#ifndef LIBRARIES_DOS_H
#define LIBRARIES_DOS_H

/** Standard C header for AmigaDOS

**/

#ifndef EXEC_TYPES_H
#include "exec/types.h"
#endif

/* Mode parameter to open() */
#define MODE_OLDFILE	1005	/* Open r/w at file start */
#define MODE_NEWFILE	1006	/* Open r/w deleting old file */
#define MODE_READWRITE	1004	/* Open old file with exclusive lock */

/* Position for seek() */
#define OFFSET_BEGINNING  -1
#define OFFSET_CURRENT     0
#define OFFSET_END         1

/* Passed as type to lock() */
#define SHARED_LOCK	  -2	/* Readable by others */
#define ACCESS_READ	  -2
#define EXCLUSIVE_LOCK	  -1	/* No one else allowed */
#define ACCESS_WRITE	  -1

struct DateStamp
   {LONG  ds_Days;	/* days since 1 Jan 1978 */
    LONG  ds_Minute;	/* Mins since midnight */
    LONG  ds_Tick;	/* Ticks past minute */
    };

#define TICK_PER_SECOND	  50

/* structure returned by Examine() and ExInfo() */
struct FileInfoBlock
   {LONG  fib_DiskKey;
    LONG  fib_DirEntryType;	/* if <0 then is file >0 directory */
    char  fib_FileName[108];	/* only first 30 used */
    LONG  fib_Protection;	/* bitmask of protection bits */
    LONG  fib_EntryType;
    LONG  fib_Size;		/* Bytes in file */
    LONG  fib_NumBlocks;	/* Blocks in file */
    struct DateStamp fib_Date;	/* Date of last change */
    char  fib_Comment[80];	/* Comment on file */
    char  fib_Reserved[36];
    };

/* File info block bit definitions */
#define FIBB_SCRIPT	  6
#define FIBB_PURE	  5
#define FIBB_ARCHIVE	  4
#define FIBB_READ	  3
#define FIBB_WRITE	  2
#define FIBB_EXECUTE	  1
#define FIBB_DELETE	  0
#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)

/* returned by Info() */
struct InfoData
   {LONG  id_NumSoftErrors;	/* Errors on disk */
    LONG  id_UnitNumber;
    LONG  id_DiskState;		/* See defines below */
    LONG  id_NumBlocks;
    LONG  id_NumBlocksUsed;
    LONG  id_BytesPerBlock;
    LONG  id_DiskType;
    long  id_VolumeNode;	/* BCPL pointer to volume node */
    LONG  id_InUse;		/* zero if not in use */
    };

/* Disk states */
#define ID_WRITE_PROTECTED  80
#define ID_VALIDATING       81
#define ID_VALIDATED        82	/* Can write to it */

/* Disk types */
#define ID_NO_DISK_PRESENT  (-1)
#define ID_UNREADABLE_DISK  (('B'<<24)|('A'<<16)|('D'<<8)) 
#define ID_DOS_DISK         (('D'<<24)|('O'<<16)|('S'<<8)) 
#define ID_NOT_REALLY_DOS   (('N'<<24)|('D'<<16)|('O'<<8)|('S')) 
#define ID_KICKSTART_DISK   (('K'<<24)|('I'<<16)|('C'<<8)|('K')) 

/* errors from IoErr() */
#define ERROR_NO_FREE_STORE		103
#define ERROR_TASK_TABLE_FULL		105
#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

/* Return codes used by AmigaDOS commands */
#define RETURN_OK	0
#define RETURN_WARN	5
#define RETURN_ERROR	10
#define RETURN_FAIL	20