pintos-doxygen/html/directory_8h_source.html

#ifndef FILESYS_DIRECTORY_H

#define FILESYS_DIRECTORY_H


#include <stdbool.h>

#include <stddef.h>

#include "devices/block.h"


/** Maximum length of a file name component.

   This is the traditional UNIX maximum length.

   After directories are implemented, this maximum length may be

   retained, but much longer full path names must be allowed. */

#define NAME_MAX 14


struct inode;


/** Opening and closing directories. */

bool dir_create (block_sector_t sector, size_t entry_cnt);

struct dir *dir_open (struct inode *);

struct dir *dir_open_root (void);

struct dir *dir_reopen (struct dir *);

void dir_close (struct dir *);

struct inode *dir_get_inode (struct dir *);


/** Reading and writing. */

bool dir_lookup (const struct dir *, const char *name, struct inode **);

bool dir_add (struct dir *, const char *name, block_sector_t);

bool dir_remove (struct dir *, const char *name);

bool dir_readdir (struct dir *, char name[NAME_MAX + 1]);


#endif /**< filesys/directory.h */

block.h

block_sector_t
uint32_t block_sector_t
Index of a block device sector.
Definition: block.h:15

dir_open
struct dir * dir_open(struct inode *)
Opens and returns the directory for the given INODE, of which it takes ownership.
Definition: directory.c:35

dir_get_inode
struct inode * dir_get_inode(struct dir *)
Returns the inode encapsulated by DIR.
Definition: directory.c:81

dir_reopen
struct dir * dir_reopen(struct dir *)
Opens and returns a new directory for the same inode as DIR.
Definition: directory.c:63

dir_readdir
bool dir_readdir(struct dir *, char name[NAME_MAX+1])
filesys/directory.h
Definition: directory.c:222

dir_remove
bool dir_remove(struct dir *, const char *name)
Removes any entry for NAME in DIR.
Definition: directory.c:185

dir_close
void dir_close(struct dir *)
Destroys DIR and frees associated resources.
Definition: directory.c:70

dir_add
bool dir_add(struct dir *, const char *name, block_sector_t)
Adds a file named NAME to DIR, which must not already contain a file by that name.
Definition: directory.c:142

dir_create
bool dir_create(block_sector_t sector, size_t entry_cnt)
Opening and closing directories.
Definition: directory.c:27

NAME_MAX
#define NAME_MAX
Maximum length of a file name component.
Definition: directory.h:12

dir_lookup
bool dir_lookup(const struct dir *, const char *name, struct inode **)
Reading and writing.
Definition: directory.c:119

dir_open_root
struct dir * dir_open_root(void)
Opens the root directory and returns a directory for it.
Definition: directory.c:55

name
char * name[]
Definition: insult.c:47

stdbool.h

stddef.h

dir
A directory.
Definition: directory.c:11

inode
In-memory inode.
Definition: inode.c:33

inode::sector
block_sector_t sector
Sector number of disk location.
Definition: inode.c:35