Commits on May 7, 2021

1. On Windows, ignore files for which full_metadata fails. …

   On Windows, `metadata` computes only partial metadata results, which don't
   include what WASI needs for the `inode` field in `readdir` results. cap-std
   has a `full_metadata` function which is able to include this extra
   information, however it has more strict access requirements, so it sometimes
   fails even when plain `metadata` would succeed.
   
   Make WASI's `readdir` silently skip over files that can't be accessed by
   `full_metadata`. These files wouldn't be openable in any other way by
   WASI programs, so the only benefit of listing them would be to
   let applications know that they exist. This allows it to avoid failing
   and avoid returning bogus results.
   
   This is part of a fix for bytecodealliance/cap-std#169.

   

   sunfishcode committed May 7, 2021
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