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// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !windows && !plan9
// +build !windows,!plan9
// TODO(adonovan): use 'unix' tag when go1.19 can be assumed.
package robustio
import (
"os"
"syscall"
"time"
)
func getFileID(filename string) (FileID, time.Time, error) {
fi, err := os.Stat(filename)
if err != nil {
return FileID{}, time.Time{}, err
}
stat := fi.Sys().(*syscall.Stat_t)
return FileID{
device: uint64(stat.Dev), // (int32 on darwin, uint64 on linux)
inode: stat.Ino,
}, fi.ModTime(), nil
}
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