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archive/tar: populate Devmajor and Devminor in FileInfoHeader on Darwin

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Extract device major/minor number on Darwin and set Devmajor and
Devminor in FileInfoHeader. Code based on the Major/Minor functions for
Darwin in golang.org/x/sys/unix.

Change-Id: I51b65f607bfa2e6b177b8b66e2b246b771367b84
Reviewed-on: https://go-review.googlesource.com/60850
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
Run-TryBot: Joe Tsai <thebrokentoaster@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Tobias Klauser 2017-08-31 13:26:40 +02:00 committed by Joe Tsai
parent cecba84a0d
commit ec359643a1
1 changed files with 5 additions and 0 deletions
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5
src/archive/tar/stat_unix.go
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@ -61,6 +61,11 @@ func statUnix(fi os.FileInfo, h *Header) error {
minor := uint32((dev & 0x00000000000000ff) >> 0)
minor |= uint32((dev & 0x00000ffffff00000) >> 12)
h.Devmajor, h.Devminor = int64(major), int64(minor)
case "darwin":
// Copied from golang.org/x/sys/unix/dev_darwin.go.
major := uint32((dev >> 24) & 0xff)
minor := uint32(dev & 0xffffff)
h.Devmajor, h.Devminor = int64(major), int64(minor)
default:
// TODO: Implement others (see https://golang.org/issue/8106)
}