Method writeSync

lib/internal/vfs/file_system.js:619–625

* Writes to a file descriptor synchronously. * @param {number} fd The file descriptor * @param {Buffer} buffer The buffer to write from * @param {number} offset The offset in the buffer * @param {number} length The number of bytes to write * @param {number|null} position The position

(fd, buffer, offset, length, position)

   * @returns {number} The number of bytes written
   */
  writeSync(fd, buffer, offset, length, position) {
    const vfd = getVirtualFd(fd);
    if (!vfd) {
      throw createEBADF('write');
    }
    return vfd.entry.writeSync(buffer, offset, length, position);
  }

  /**
   * Gets file stats from a file descriptor synchronously.