package osversion import ( "fmt" "golang.org/x/sys/windows" ) // OSVersion is a wrapper for Windows version information // https://msdn.microsoft.com/en-us/library/windows/desktop/ms724439(v=vs.85).aspx type OSVersion struct { Version uint32 MajorVersion uint8 MinorVersion uint8 Build uint16 } // https://msdn.microsoft.com/en-us/library/windows/desktop/ms724833(v=vs.85).aspx type osVersionInfoEx struct { OSVersionInfoSize uint32 MajorVersion uint32 MinorVersion uint32 BuildNumber uint32 PlatformID uint32 CSDVersion [128]uint16 ServicePackMajor uint16 ServicePackMinor uint16 SuiteMask uint16 ProductType byte Reserve byte } // Get gets the operating system version on Windows. // The calling application must be manifested to get the correct version information. func Get() OSVersion { var err error osv := OSVersion{} osv.Version, err = windows.GetVersion() if err != nil { // GetVersion never fails. panic(err) } osv.MajorVersion = uint8(osv.Version & 0xFF) osv.MinorVersion = uint8(osv.Version >> 8 & 0xFF) osv.Build = uint16(osv.Version >> 16) return osv } // Build gets the build-number on Windows // The calling application must be manifested to get the correct version information. func Build() uint16 { return Get().Build } func (osv OSVersion) ToString() string { return fmt.Sprintf("%d.%d.%d", osv.MajorVersion, osv.MinorVersion, osv.Build) }