Method ftruncateSync

lib/internal/vfs/file_system.js:480–486

* Truncates a file descriptor synchronously. * @param {number} fd The file descriptor * @param {number} [len] The new length

(fd, len = 0)

   * @param {number} [len] The new length
   */
  ftruncateSync(fd, len = 0) {
    const vfd = getVirtualFd(fd);
    if (!vfd) {
      throw createEBADF('ftruncate');
    }
    vfd.entry.truncateSync(len);
  }

  /**
   * Creates a hard link synchronously.