github.com/samgwo/go-ethereum@v1.8.2-0.20180302101319-49bcb5fbd55e/log/term/terminal_windows.go (about)

     1  // Based on ssh/terminal:
     2  // Copyright 2011 The Go Authors. All rights reserved.
     3  // Use of this source code is governed by a BSD-style
     4  // license that can be found in the LICENSE file.
     5  
     6  // +build windows
     7  
     8  package term
     9  
    10  import (
    11  	"syscall"
    12  	"unsafe"
    13  )
    14  
    15  var kernel32 = syscall.NewLazyDLL("kernel32.dll")
    16  
    17  var (
    18  	procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
    19  )
    20  
    21  // IsTty returns true if the given file descriptor is a terminal.
    22  func IsTty(fd uintptr) bool {
    23  	var st uint32
    24  	r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, fd, uintptr(unsafe.Pointer(&st)), 0)
    25  	return r != 0 && e == 0
    26  }