func readDirectory64End()

in reader.go [579:599]

• 18 lines of code
• 3 McCabe index (conditional complexity)

func readDirectory64End(r io.ReaderAt, offset int64, d *directoryEnd) (err error) {
	buf := make([]byte, directory64EndLen)
	if _, err := r.ReadAt(buf, offset); err != nil {
		return err
	}

	b := readBuf(buf)
	if sig := b.uint32(); sig != directory64EndSignature {
		return ErrFormat
	}

	b = b[12:]                        // skip dir size, version and version needed (uint64 + 2x uint16)
	d.diskNbr = b.uint32()            // number of this disk
	d.dirDiskNbr = b.uint32()         // number of the disk with the start of the central directory
	d.dirRecordsThisDisk = b.uint64() // total number of entries in the central directory on this disk
	d.directoryRecords = b.uint64()   // total number of entries in the central directory
	d.directorySize = b.uint64()      // size of the central directory
	d.directoryOffset = b.uint64()    // offset of start of central directory with respect to the starting disk number

	return nil
}