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Commit a8978120 authored by Tao Bao's avatar Tao Bao
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 c94a705f

tools/releasetools/sparse_img.py

+8 −3
Original line number Diff line number Diff line
@@ -221,8 +221,13 @@ class SparseImage(object): 
          nonzero_blocks.append(b)

          nonzero_blocks.append(b+1)



    assert zero_blocks or nonzero_blocks or clobbered_blocks



    if zero_blocks:

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

    if nonzero_blocks:

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

    if clobbered_blocks:

      out["__COPY"] = clobbered_blocks



  def ResetFileMap(self):