/***************************************************************************

 *

 * file.h

 *

 ***************************************************************************

 *

 * wrapper for platform independant file io

 *

 ***************************************************************************/



#ifndef FILE_H_INCLUDED

#define FILE_H_INCLUDED



/*

 * includes

 */



/*

 * defines

 */



#ifndef SEEK_SET

#define SEEK_SET    0			/*  Seek relative to start of file  */

#define SEEK_CUR    1			/*  Seek relative to current positn */

#define SEEK_END    2			/*  Seek relative to end of file    */

#endif



/*

 * typedefs

 */



typedef void * FH;



/*

 * structures

 */



typedef struct DIR_INFO_S

	{

	char                name[16];

	unsigned long       flags;

	unsigned long       romLength;

	unsigned long       romOffset;

	unsigned long       ramLength;

	} DIR_INFO_T;



/*

 * globals

 */



/*

 * function prototypes

 */



extern int                 FileInit(void *data);

extern int                 FileShutdown(void);

extern void                FileUnInit(void);



extern FH                  FileOpen(char *name,char *mode);

extern void                FileClose(FH fh);

extern void                FileSeek(FH fh,unsigned long offset,int mode);

extern unsigned long       FileTell(FH fh);

extern unsigned long       FileRead(void *buffer,int s,int c,FH fh);

extern unsigned long       FileWrite(void *buffer,int s,int c,FH fh);

extern int                 FileEof(FH fh);



extern int                 FileFgetc(FH fh);

extern void                FileFputc(int c,FH fh);

extern void                FileRewind(FH fh);



extern DIR_INFO_T *        FileRomInfo(char *name);



#endif