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os: document DirFS implements fs.StatFS

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Fixes #51856

Change-Id: I8328d73bbb7bc166d58281180b64785a634e9bab
Reviewed-on: https://go-review.googlesource.com/c/go/+/394555
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Daniel Martí <mvdan@mvdan.cc>
Run-TryBot: Daniel Martí <mvdan@mvdan.cc>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
hopehook 2022-03-22 23:33:48 +08:00 committed by Ian Lance Taylor
parent 3f69cc7d77
commit b0750de656
1 changed files with 2 additions and 0 deletions
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2
src/os/file.go
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@ -623,6 +623,8 @@ func isWindowsNulName(name string) bool {
// the /prefix tree, then using DirFS does not stop the access any more than using
// os.Open does. DirFS is therefore not a general substitute for a chroot-style security
// mechanism when the directory tree contains arbitrary content.
//
// The result implements fs.StatFS.
func DirFS(dir string) fs.FS {
return dirFS(dir)
}