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Raise an exception when sector cannot be converted to array #150

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Raise an exception when sector cannot be converted to array #150

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4 changes: 4 additions & 0 deletions olefile/olefile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1503,6 +1503,10 @@ def sect2array(self, sect):
swapping bytes on big endian CPUs such as PowerPC (old Macs)
"""
# TODO: make this a static function
if len(sect) % array.array(UINT32).itemsize != 0:
# to convert to an array of UINT32s we need to have a bytes string
# with a length that is a multiple of the itemsize.
self._raise_defect(DEFECT_FATAL, 'incorrect sector size, cannot convert to array of 32bit unsigned integers')
a = array.array(UINT32, sect)
# if CPU is big endian, swap bytes:
if sys.byteorder == 'big':
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