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moby--moby/pkg/term/windows/console.go
John Starks 4acc2c7499 Windows: Always enable VT emulation
Always enable VT output emulation when starting the process so that
non-attaching commands can still output VT codes.

Also remove the version block for using the native console and just rely
on supported flags being present.

Signed-off-by: John Starks <jostarks@microsoft.com>
2016-06-23 13:14:39 -07:00

35 lines
780 B
Go

// +build windows
package windows
import (
"os"
"github.com/Azure/go-ansiterm/winterm"
)
// GetHandleInfo returns file descriptor and bool indicating whether the file is a console.
func GetHandleInfo(in interface{}) (uintptr, bool) {
switch t := in.(type) {
case *ansiReader:
return t.Fd(), true
case *ansiWriter:
return t.Fd(), true
}
var inFd uintptr
var isTerminal bool
if file, ok := in.(*os.File); ok {
inFd = file.Fd()
isTerminal = IsConsole(inFd)
}
return inFd, isTerminal
}
// IsConsole returns true if the given file descriptor is a Windows Console.
// The code assumes that GetConsoleMode will return an error for file descriptors that are not a console.
func IsConsole(fd uintptr) bool {
_, e := winterm.GetConsoleMode(fd)
return e == nil
}