#include <stdio.h>

#include "datalib0.h"		/* DataLib */

#define NAMEDIR_CHAR	' '	/* the 1st char of ordinary name */
#define NAMEDIR_STR	" "	/* the 1st char of ordinary name */
#define HIDDEN_CHAR	'\x01'	/* the 1st char of each hidden name */
#define HIDDEN_STR	"\x01"	/* the 1st char of each hidden name */
#define SUBDIR_CHAR	'\x02'	/* the 1st char of each subdirectiry name */

/* Use only DataLibVar(..) to declare DataLib variables.
   It ensures proper initialisation of the Stream field. */
#define DataLibVar(var) DataLib var={NULL}


Global(Boolean) DataLibIsClosed(DataLibPtr dl);
Global(Int2) DataLibOpen(DataLibPtr dl, CharPtr fn);
Global(void) DataLibClose(DataLibPtr dl);
Global(size_t) DataLibRead(DataLibPtr dl, CharPtr buf, size_t len);
Global(size_t) DataLibWrite(DataLibPtr dl, CharPtr buf, size_t len);
Global(void) DataLibFlush(DataLibPtr dl);
Global(Int2) DataLibTell(DataLibPtr dl, DataLibPosPtr pos);
Global(Int2) DataLibSeek(DataLibPtr dl, DataLibPosPtr pos);
Global(Int2) DataLibFind(DataLibPtr dl, CharPtr name);
Global(Int2) DataLibFindBySubstr(DataLibPtr dl, CharPtr name, Boolean from1st);
Global(Int2) DataLibDelete(DataLibPtr dl);
Global(Int2) DataLibCreate(DataLibPtr dl, CharPtr name);
Global(Int2) DataLibRename(DataLibPtr dl, CharPtr newname);
Global(Int2) DataLibUp(DataLibPtr dl);
Global(Int2) DataLibDown(DataLibPtr dl);
Global(Int2) DataLibPrev(DataLibPtr dl, Int2 n);
Global(Int2) DataLibNext(DataLibPtr dl, Int2 n);
Global(Int2) DataLibSeekDir(DataLibPtr dl, FilePtr dp);
Global(FilePtr) DataLibGetUserPtr(DataLibPtr dl, FilePtr dirptr);
Global(void) DataLibSetUserPtr(DataLibPtr dl, FilePtr dirptr, FilePtr datafp);
Global(void) DataLibSetSelected(DataLibPtr dl);
extern Global(size_t) DataLibLastVRecLen;
extern Global(size_t) DataLibLastVRecDesc;
Global(size_t) DataLibGetDescLen(size_t VRecLen);
Global(CharPtr) DataLibReadVRecord(DataLibPtr dl, CharPtr partition);
Global(Int2) DataLibWriteVRecord(DataLibPtr dl, CharPtr partition,
				   CharPtr buf, size_t len);
Global(size_t) DataLibReadVRecordN(DataLibPtr dl, CharPtr buf, size_t maxlen);
Global(void) DataLibDeletePartitions(DataLibPtr dl, ...);
Global(void) DataLibSkipVRecord(DataLibPtr dl);
Global(size_t) DataLibSkipPartition(DataLibPtr dl);
Global(size_t) DataLibSkip(DataLibPtr dl, size_t n);

/* DataLibEnum */
typedef Int2 (PNTR DataLibEnumCallback)(DataLibPtr dl);
extern Global(Int2) DataLibEnumEx;
extern Global(Int2) DataLibEnumEvent;
Global(Int2) DataLibEnum(DataLibPtr dl, DataLibEnumCallback callback, Boolean recursive);
Global(void) DataLibEnumIgnore(CharPtr s);

Global(DataLibPtr) DataLibSavePosPtr(DataLibPtr dl);
Global(void) DataLibRestorePosPtr(DataLibPtr dl, DataLibPtr dlsaved);
Global(void) DataLibSavePos(DataLibPtr dl);
Global(void) DataLibRestorePos(DataLibPtr dl);

/* DatalibShow */
#define NOTIFY_DESELECT	2	/* used in Notify callback only */
#define NOTIFY_SELECT	1
#define NOTIFY_CANCEL	0
typedef void (PNTR DataLibNotify)(DataLibPtr, Int2);
typedef Int2 (PNTR DataLibCallback)(DataLibPtr, DataLibNotify);
Global(Int2) DataLibShow(DataLibPtr dl, CharPtr Title, DataLibNotify Notify,
			 CharPtr Format, ...);

#if DEB_DL
  Global(void) Debug_DataLibShow(Int2);
  Global(void) Debug_DataLibShowU(Int2);
  Global(Boolean)Debug_DataLibShowU_Status(Int2);
#endif