From 1d90b688c485fa1421db7103926af73cc2b6b6b1 Mon Sep 17 00:00:00 2001
From: Steve Slaven <bpk@hoopajoo.net>
Date: Tue, 28 Jul 2009 10:04:22 -0700
Subject: Bug fixes to extend via seek(), properly setting dirty flag and not
 trying to pull up block -1


diff --git a/fusearchive.py b/fusearchive.py
index 1c8cfb6..8573176 100755
--- a/fusearchive.py
+++ b/fusearchive.py
@@ -654,12 +654,20 @@ class FuseArchive(Fuse):
             while index > len( self.chunks ):
                 logging.debug( "Not enough chunks " + str( len( self.chunks ) ) + ", need " +
                     str( index ) + ", extending" )
-                self.chunk_index = -1
-                while self.chunk_index < index:
-                    self._load_chunk( self.chunk_index + 1 )
+                this_index = -1
+                while this_index < index:
+                    self._load_chunk( this_index + 1 )
                     fill_null = self.chunk_size - len(self.chunk)
-                    logging.debug( "Filling this chunk with null, bytes: " + fill_null )
+                    logging.debug( "Filling this chunk with null, bytes: " + str( fill_null ) )
                     self.chunk += "\0" * fill_null
+                    self.chunk_modified = True
+
+            # Now check if this chunk needs to be extended
+            if len( self.chunk ) < rest:
+                fill_null = rest - len(self.chunk)
+                logging.debug( "Filling final chunk with null, bytes: " + str( fill_null ) )
+                self.chunk += "\0" * fill_null
+                self.chunk_modified = True
 
             buf_offset = 0
             buf_len = len(buf)
-- 
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