X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ffilesys%2Fdirectory.h;h=abc3029f9e86cea3c861a9ca711956a6d77efc1f;hb=f5a8a96c77a329a6fe175e62c6ed3c149fc3937d;hp=a3364aeb75e1d076002842fcd47ded7886ea2920;hpb=f6580e9ad405b519dbe85027691bf3c66074b0a4;p=pintos-anon diff --git a/src/filesys/directory.h b/src/filesys/directory.h index a3364ae..abc3029 100644 --- a/src/filesys/directory.h +++ b/src/filesys/directory.h @@ -1,39 +1,25 @@ -#ifndef HEADER_DIRECTORY_H -#define HEADER_DIRECTORY_H 1 +#ifndef FILESYS_DIRECTORY_H +#define FILESYS_DIRECTORY_H #include #include #include "devices/disk.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 -/* A directory. */ -struct dir - { - size_t entry_cnt; /* Number of entries. */ - struct dir_entry *entries; /* Array of entries. */ - }; - -/* A single directory entry. */ -struct dir_entry - { - bool in_use; /* In use or free? */ - char name[NAME_MAX + 1]; /* Null terminated file name. */ - disk_sector_t filehdr_sector; /* Sector number of header. */ - }; - -struct file; -bool dir_init (struct dir *, 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 *); +struct inode; +struct dir; +bool dir_create (disk_sector_t sector, size_t entry_cnt); +bool dir_open (struct inode *, struct dir **); +bool dir_open_root (struct dir **); +void dir_close (struct dir *); +bool dir_lookup (const struct dir *, const char *name, struct inode **); bool dir_add (struct dir *, const char *name, disk_sector_t); bool dir_remove (struct dir *, const char *name); void dir_list (const struct dir *); -void dir_dump (const struct dir *); -#endif /* directory.h */ +#endif /* filesys/directory.h */