Function readUInt40BE

lib/internal/buffer.js:296–308

(buf, offset = 0)

}

function readUInt40BE(buf, offset = 0) {
  validateNumber(offset, 'offset');
  const first = buf[offset];
  const last = buf[offset + 4];
  if (first === undefined || last === undefined)
    boundsError(offset, buf.length - 5);

  return first * 2 ** 32 +
    buf[++offset] * 2 ** 24 +
    buf[++offset] * 2 ** 16 +
    buf[++offset] * 2 ** 8 +
    last;
}

function readUInt32BE(buf, offset = 0) {
  validateNumber(offset, 'offset');