File: hardlink_unix.go

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golang-github-tonistiigi-fsutil 0.0~git20200331.f427cf1-2
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// +build !windows

package fs

import (
	"os"
	"syscall"
)

func getLinkInfo(fi os.FileInfo) (uint64, bool) {
	s, ok := fi.Sys().(*syscall.Stat_t)
	if !ok {
		return 0, false
	}

	return uint64(s.Ino), !fi.IsDir() && s.Nlink > 1
}