X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ffilesys%2Fdirectory.h;h=7955937eae3e3b77f5eff1007f3e7f609b3be755;hb=9750868b9c1fc53f2ac25bd7fe0f6152cc55ff03;hp=a3364aeb75e1d076002842fcd47ded7886ea2920;hpb=f6580e9ad405b519dbe85027691bf3c66074b0a4;p=pintos-anon

diff --git a/src/filesys/directory.h b/src/filesys/directory.h
index a3364ae..7955937 100644
--- a/src/filesys/directory.h
+++ b/src/filesys/directory.h
@@ -1,39 +1,30 @@
-#ifndef HEADER_DIRECTORY_H
-#define HEADER_DIRECTORY_H 1
+#ifndef FILESYS_DIRECTORY_H
+#define FILESYS_DIRECTORY_H
 
 #include <stdbool.h>
 #include <stddef.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. */
-  };
+struct inode;
 
-/* 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. */
-  };
+/* Opening and closing directories. */
+bool dir_create (disk_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 *);
 
-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 *);
+/* Reading and writing. */
+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 *);
+bool dir_readdir (struct dir *, char name[NAME_MAX + 1]);
 
-#endif /* directory.h */
+#endif /* filesys/directory.h */