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// Copyright 2021 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 aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
package osinfo
import (
"bytes"
"golang.org/x/sys/unix"
)
func utsString(b []byte) string {
i := bytes.IndexByte(b, 0)
if i == -1 {
return string(b)
}
return string(b[:i])
}
// Version returns the OS version name/number.
func Version() (string, error) {
var uts unix.Utsname
if err := unix.Uname(&uts); err != nil {
return "", err
}
sysname := utsString(uts.Sysname[:])
release := utsString(uts.Release[:])
version := utsString(uts.Version[:])
machine := utsString(uts.Machine[:])
return sysname + " " + release + " " + version + " " + machine, nil
}
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