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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package version
import (
"fmt"
"unsafe"
)
type OsVersionInfo struct {
osVersionInfoSize uint32
MajorVersion uint32
MinorVersion uint32
BuildNumber uint32
PlatformId uint32
CsdVersion [128]uint16
ServicePackMajor uint16
ServicePackMinor uint16
SuiteMask uint16
ProductType byte
reserved byte
}
//sys rtlGetVersion(versionInfo *OsVersionInfo) (err error) [failretval!=0] = ntdll.RtlGetVersion
func OsVersion() (versionInfo OsVersionInfo, err error) {
versionInfo.osVersionInfoSize = uint32(unsafe.Sizeof(versionInfo))
err = rtlGetVersion(&versionInfo)
return
}
func OsName() string {
versionInfo, err := OsVersion()
if err != nil {
return "Windows Unknown"
}
winType := ""
switch versionInfo.ProductType {
case 3:
winType = " Server"
case 2:
winType = " Controller"
}
return fmt.Sprintf("Windows%s %d.%d.%d", winType, versionInfo.MajorVersion, versionInfo.MinorVersion, versionInfo.BuildNumber)
}
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