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//go:build !windows
package archive
import (
"os"
"time"
"golang.org/x/sys/unix"
)
// chtimes changes the access time and modified time of a file at the given path.
// If the modified time is prior to the Unix Epoch (unixMinTime), or after the
// end of Unix Time (unixEpochTime), os.Chtimes has undefined behavior. In this
// case, Chtimes defaults to Unix Epoch, just in case.
func chtimes(name string, atime time.Time, mtime time.Time) error {
return os.Chtimes(name, atime, mtime)
}
func timeToTimespec(time time.Time) unix.Timespec {
if time.IsZero() {
// Return UTIME_OMIT special value
return unix.Timespec{
Sec: 0,
Nsec: (1 << 30) - 2,
}
}
return unix.NsecToTimespec(time.UnixNano())
}
func lchtimes(name string, atime time.Time, mtime time.Time) error {
utimes := [2]unix.Timespec{
timeToTimespec(atime),
timeToTimespec(mtime),
}
err := unix.UtimesNanoAt(unix.AT_FDCWD, name, utimes[0:], unix.AT_SYMLINK_NOFOLLOW)
if err != nil && err != unix.ENOSYS {
return err
}
return err
}
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