Module: Tar::USTAR

Defined in:
lib/tar/ustar.rb

Constant Summary collapse

RECORD_SIZE = 
512

Class Method Summary collapse

Class Method Details

.read_record(io) ⇒ Object

Raises:



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# File 'lib/tar/ustar.rb', line 11

def read_record(io)
  record = io.read(RECORD_SIZE) || ""

  raise UnexpectedEOF, "unexpected end-of-file: attempted to read #{RECORD_SIZE} bytes from #{io}, got #{record.size}" unless record.size == RECORD_SIZE

  record
end

.records(file_size) ⇒ Object 



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# File 'lib/tar/ustar.rb', line 19

def records(file_size)
  (file_size - 1) / RECORD_SIZE + 1
end

.records_size(file_size) ⇒ Object 



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# File 'lib/tar/ustar.rb', line 23

def records_size(file_size)
  RECORD_SIZE * records(file_size)
end