Rewrite filesystem to support Unix "delete" semantics.

[pintos-anon] / src / filesys / file.h

diff --git a/src/filesys/file.h b/src/filesys/file.h
index 689aa6df4878bb71f92568d7fbc0ceb5a4cc17b0..c28201d9b8b82022faf1e80671b5d366b01ec219 100644 (file)
--- a/src/filesys/file.h
+++ b/src/filesys/file.h
@@ -1,16 +1,19 @@
-#ifndef HEADER_FILE_H
-#define HEADER_FILE_H 1
+#ifndef FILESYS_FILE_H
+#define FILESYS_FILE_H
 
-#include <stdint.h>
 #include <stddef.h>
+#include "devices/disk.h"
+#include "filesys/off_t.h"
 
-typedef int32_t off_t;
-
-struct file;
+struct file *file_open (disk_sector_t);
+void file_close (struct file *);
 off_t file_read (struct file *, void *, off_t);
+off_t file_read_at (struct file *, void *, off_t size, off_t start);
 off_t file_write (struct file *, const void *, off_t);
+off_t file_write_at (struct file *, const void *, off_t size, off_t start);
 off_t file_length (struct file *);
 void file_seek (struct file *, off_t);
 off_t file_tell (struct file *);
+void file_remove (struct file *);
 
-#endif /* file.h */
+#endif /* filesys/file.h */