#ifndef __FS_SFILE_H
#define __FS_SFILE_H

#include <stdint.h>

#include "inode.h"

/* Codes de retour */
enum file_open_ret {
  OPEN_SUCCESS,
  OPEN_FAILED
};

enum file_read_ret {
  READ_EOF = -1
};

/* File flags */
#define BUFFER_MODIF 0x1

struct file_desc_t
{
  unsigned int volume;
  uint32_t inode_block;
  uint16_t cur_pos;
  void *buffer;
  int flags;
  uint16_t filesize;
};

inode_t create_sfile(unsigned int volume, enum file_type_e type);
int delete_sfile(unsigned int volume);
int open_sfile(unsigned int volume, struct file_desc_t *fd);
void flush_sfile(struct file_desc_t *fd);
void close_sfile(struct file_desc_t *fd);

void seek_sfile(struct file_desc_t *fd, int r_offset); /* relatif */
void seek2_sfile(struct file_desc_t *fd, unsigned int a_offset); /* absolu */

int readc_sfile(struct file_desc_t *fd);
int writec_sfile(struct file_desc_t *fd, char c);

int read_sfile(struct file_desc_t *fd, void *buf, unsigned int nbyte);
int write_sfile(struct file_desc_t *fd, const void *buf, unsigned int nbyte);

#endif /* __FS_SFILE_H */