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Commit 7f9470cd authored by Tao Bao's avatar Tao Bao Committed by Simon Wilson
Browse files

sparse_img.py: Don't write empty map groups. 

In certain cases, we may have no mapping of ZERO or NONZERO blocks in
the image (such as squashfs at the moment). Don't write those groups if
they are empty.

Change-Id: I82aa05fbbd79130b08868585edd5298e531c4f5a
parent ef5dc90b

tools/releasetools/sparse_img.py

+6 −2
Original line number Diff line number Diff line
@@ -204,8 +204,12 @@ class SparseImage(object): 
          nonzero_blocks.append(b)

          nonzero_blocks.append(b+1)



    out["__ZERO"] = RangeSet(data=zero_blocks)

    out["__NONZERO"] = RangeSet(data=nonzero_blocks)

    assert zero_blocks or nonzero_blocks



    if zero_blocks:

      out["__ZERO"] = rangelib.RangeSet(data=zero_blocks)

    if nonzero_blocks:

      out["__NONZERO"] = rangelib.RangeSet(data=nonzero_blocks)



  def ResetFileMap(self):

    """Throw away the file map and treat the entire image as