Add stuff for reading header of a file-based stack.

[core.git] / inc / classes / interfaces / iterator / class_SeekableWritableFileIterator.php

diff --git a/inc/classes/interfaces/iterator/class_SeekableWritableFileIterator.php b/inc/classes/interfaces/iterator/class_SeekableWritableFileIterator.php
index 1dde2c27235b52e32bc25e46cbefa1959e56d10d..abd1e583fbcf998cff8cea1441e780c73bf8ef19 100644 (file)
--- a/inc/classes/interfaces/iterator/class_SeekableWritableFileIterator.php
+++ b/inc/classes/interfaces/iterator/class_SeekableWritableFileIterator.php
@@ -46,6 +46,14 @@ interface SeekableWritableFileIterator extends SeekableIterator {
         * @return      void
         */
        function writeAtPosition ($seedPosition, $data);
+
+       /**
+        * Reads given amount of bytes from file.
+        *
+        * @param       $bytes  Amount of bytes to read
+        * @return      $data   Data read from file
+        */
+       function read ($bytes);
 }
 
 // [EOF]