// 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,!appenginepackagelogrusimport("syscall""unsafe")varkernel32=syscall.NewLazyDLL("kernel32.dll")var(procGetConsoleMode=kernel32.NewProc("GetConsoleMode"))// IsTerminal returns true if stderr's file descriptor is a terminal.funcIsTerminal()bool{fd:=syscall.Stderrvarstuint32r,_,e:=syscall.Syscall(procGetConsoleMode.Addr(),2,uintptr(fd),uintptr(unsafe.Pointer(&st)),0)returnr!=0&&e==0}