Function readIntBE

lib/internal/buffer.js:435–452

(offset, byteLength)

}

function readIntBE(offset, byteLength) {
  if (offset === undefined)
    throw new ERR_INVALID_ARG_TYPE('offset', 'number', offset);
  if (byteLength === 6)
    return readInt48BE(this, offset);
  if (byteLength === 5)
    return readInt40BE(this, offset);
  if (byteLength === 3)
    return readInt24BE(this, offset);
  if (byteLength === 4)
    return readInt32BE(this, offset);
  if (byteLength === 2)
    return readInt16BE(this, offset);
  if (byteLength === 1)
    return readInt8(this, offset);

  boundsError(byteLength, 6, 'byteLength');
}

function readInt48BE(buf, offset = 0) {
  validateNumber(offset, 'offset');