containerd/vendor/github.com/Sirupsen/logrus/terminal_windows.go
Akihiro Suda 4a7a8efc2d vendor: add missing deps and remove go get in .travis.yml
Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
2017-01-12 08:24:48 +00:00

27 lines
645 B
Go

// Based on ssh/terminal:
// Copyright 2011 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.
// +build windows,!appengine
package logrus
import (
"syscall"
"unsafe"
)
var kernel32 = syscall.NewLazyDLL("kernel32.dll")
var (
procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
)
// IsTerminal returns true if stderr's file descriptor is a terminal.
func IsTerminal() bool {
fd := syscall.Stderr
var st uint32
r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0)
return r != 0 && e == 0
}