Function checkPosition

lib/protocol/SFTP.js:3620–3629

(pos, name)

// Check the `this.start` and `this.end` of stream.
function checkPosition(pos, name) {
  if (!Number.isSafeInteger(pos)) {
    validateNumber(pos, name);
    if (!Number.isInteger(pos))
      throw new ERR_OUT_OF_RANGE(name, 'an integer', pos);
    throw new ERR_OUT_OF_RANGE(name, '>= 0 and <= 2 ** 53 - 1', pos);
  }
  if (pos < 0)
    throw new ERR_OUT_OF_RANGE(name, '>= 0 and <= 2 ** 53 - 1', pos);
}

function roundUpToMultipleOf8(n) {
  return (n + 7) & ~7;  // Align to 8 byte boundary.