X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pintos-anon;a=blobdiff_plain;f=src%2Ffilesys%2Fdirectory.h;h=930acf986df4b1a647cb8d7cbd01c522d1b2b786;hp=6503a309e0887cb041a86db36e87fecf19b4e79a;hb=a03618133f7df0954802a470a4bee7674f7aed45;hpb=993c1d9f4452e2edd851f3175dfdf317f18bdb9f diff --git a/src/filesys/directory.h b/src/filesys/directory.h index 6503a30..930acf9 100644 --- a/src/filesys/directory.h +++ b/src/filesys/directory.h @@ -3,23 +3,28 @@ #include #include -#include "devices/disk.h" +#include "devices/block.h" -/* Maximum length of a filename. - This is the traditional UNIX maximum. - (This macro name comes from POSIX.1.) */ +/* 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 file; -struct dir *dir_create (size_t entry_cnt); -size_t dir_size (size_t entry_cnt); -void dir_destroy (struct dir *); -void dir_read (struct dir *, struct file *); -void dir_write (struct dir *, struct file *); -bool dir_lookup (const struct dir *, const char *name, disk_sector_t *); -bool dir_add (struct dir *, const char *name, disk_sector_t); +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); -void dir_list (const struct dir *); -void dir_dump (const struct dir *); +bool dir_readdir (struct dir *, char name[NAME_MAX + 1]); #endif /* filesys/directory.h */