From 4f670845ff9ab6c48bcb5f7bf4d4ef6dc3c3064b Mon Sep 17 00:00:00 2001 From: manuel Date: Tue, 27 Mar 2012 11:51:08 +0200 Subject: reorganize file structure to match the upstream requirements --- filesys/directory.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 filesys/directory.h (limited to 'filesys/directory.h') diff --git a/filesys/directory.h b/filesys/directory.h new file mode 100644 index 0000000..930acf9 --- /dev/null +++ b/filesys/directory.h @@ -0,0 +1,30 @@ +#ifndef FILESYS_DIRECTORY_H +#define FILESYS_DIRECTORY_H + +#include +#include +#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 */ -- cgit v1.2.3