unpack_compressed

in lib/grit/git-ruby/internal/pack.rb [323:342]

• 19 lines of code
• 5 McCabe index (conditional complexity)

        def unpack_compressed(offset, destsize)
          outdata = ""
          with_packfile do |packfile|
            packfile.seek(offset)
            zstr = Zlib::Inflate.new
            while outdata.size < destsize
              indata = packfile.read(4096)
              if indata.size == 0
                raise PackFormatError, 'error reading pack data'
              end
              outdata << zstr.inflate(indata)
            end
            if outdata.size > destsize
              raise PackFormatError, 'error reading pack data'
            end
            zstr.close
          end
          outdata
        end