X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ffilesys%2Fdirectory.h;h=c773887b6b57e920d59e7ddadf50502c7cf8fe30;hb=a6707cab2ede5adc59479d16000cb938b386db36;hp=f5f5ebdde8c041b85cf8046eb6fceb604f38e6ac;hpb=97dcefb4742e13df9eb22c3aa00bb802bdc55c60;p=pintos-anon diff --git a/src/filesys/directory.h b/src/filesys/directory.h index f5f5ebd..c773887 100644 --- a/src/filesys/directory.h +++ b/src/filesys/directory.h @@ -1,32 +1,19 @@ -#ifndef HEADER_DIRECTORY_H -#define HEADER_DIRECTORY_H 1 +#ifndef FILESYS_DIRECTORY_H +#define FILESYS_DIRECTORY_H #include #include -#include "disk.h" +#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); +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 *); @@ -34,6 +21,5 @@ bool dir_lookup (const struct dir *, const char *name, disk_sector_t *); 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 */