op-geth/vendor/github.com/elastic/gosigar/sys/windows/version.go

44 lines
1.0 KiB
Go

// +build windows
package windows
import (
"fmt"
"syscall"
)
// Version identifies a Windows version by major, minor, and build number.
type Version struct {
Major int
Minor int
Build int
}
// GetWindowsVersion returns the Windows version information. Applications not
// manifested for Windows 8.1 or Windows 10 will return the Windows 8 OS version
// value (6.2).
//
// For a table of version numbers see:
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724833(v=vs.85).aspx
func GetWindowsVersion() Version {
// https://msdn.microsoft.com/en-us/library/windows/desktop/ms724439(v=vs.85).aspx
ver, err := syscall.GetVersion()
if err != nil {
// GetVersion should never return an error.
panic(fmt.Errorf("GetVersion failed: %v", err))
}
return Version{
Major: int(ver & 0xFF),
Minor: int(ver >> 8 & 0xFF),
Build: int(ver >> 16),
}
}
// IsWindowsVistaOrGreater returns true if the Windows version is Vista or
// greater.
func (v Version) IsWindowsVistaOrGreater() bool {
// Vista is 6.0.
return v.Major >= 6 && v.Minor >= 0
}