file.h File Reference

File IO. More...

#include "types.h"

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Classes
struct	FILE
	Information about file. More...

Functions
FILE *	open (int filename, int mode)
	Open file. More...
int	read (int buf, size_t size, FILE *stream)
	Read from file. More...
int	write (int buf, size_t size, FILE *stream)
	Write to file. More...
int	create (const int filename, size_t size)
	Create file. More...
int	remove (const int filename)
	Remove file. More...

Detailed Description

File IO.

Todo:

remove FILE as pointer

Definition in file file.h.

Function Documentation

create()

int create	(	const int	filename,
		size_t	size
	)

Create file.

Parameters

filename
size	in sectors(512B) >=0

Returns

int new file's id or -error

Definition at line 77 of file file.h.

open()

FILE* open	(	int	filename,
		int	mode
	)

Open file.

Parameters

filename
mode

Todo:

add modes, see sys_write() todo

Returns

FILE*

Definition at line 33 of file file.h.

read()

int read	(	int	buf,
		size_t	size,
		FILE *	stream
	)

Read from file.

Parameters

buf	pointer to target memory
size	to read in bytes
stream	FILE

Returns

int actually readed Bytes or -error

Definition at line 53 of file file.h.

remove()

int remove

(

const int

filename

)

Remove file.

Parameters

filename

Returns

int 0 if success or -error

Definition at line 87 of file file.h.

write()

int write	(	int	buf,
		size_t	size,
		FILE *	stream
	)

Write to file.

Parameters

buf	pointer to source memory
size	to write in Bytes, file will be rounded to whole sectors
stream	FILE

Returns

int actually written Bytes or -error

Definition at line 66 of file file.h.