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on Win10, fs.stat() returns a stats with undefined blksize and blocks #25913

Description

@3cp
  • Version: 10.15.1, 10.14.1, 11.9.0
  • Platform: Windows10 64-bit (didn't test on other windows platform)
  • Subsystem: fs

On windows 10, blksize and blocks are undefined. This is a regression from v6 and v8 which are not affected.

As expected, both fs.stat() and fs.statSync() are affected.

This is easy to demo in a powershell.

> node
> var fs = require('fs');
> var s = fs.statSync('any-valid-file');
> s;
Stats {
  dev: 3759094541,
  mode: 33206,
  nlink: 1,
  uid: 0,
  gid: 0,
  rdev: 0,
  blksize: undefined,
  ino: 2814749767419687,
  size: 2526,
  blocks: undefined,
  atimeMs: 1549237516603.1382,
  mtimeMs: 1549237516603.1382,
  ctimeMs: 1549237516603.1382,
  birthtimeMs: 1549237516603.1382,
  atime: 2019-02-03T23:45:16.603Z,
  mtime: 2019-02-03T23:45:16.603Z,
  ctime: 2019-02-03T23:45:16.603Z,
  birthtime: 2019-02-03T23:45:16.603Z }
>

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