gitlab.com/aquachain/aquachain@v1.17.16-rc3.0.20221018032414-e3ddf1e1c055/common/log/term/terminal_windows.go (about)

     1  // Copyright 2018 The aquachain Authors
     2  // This file is part of the aquachain library.
     3  //
     4  // The aquachain library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The aquachain library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the aquachain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  // Based on ssh/terminal:
    18  // Copyright 2011 The Go Authors. All rights reserved.
    19  // Use of this source code is governed by a BSD-style
    20  // license that can be found in the LICENSE file.
    21  
    22  // +build windows
    23  
    24  package term
    25  
    26  import (
    27  	"syscall"
    28  	"unsafe"
    29  )
    30  
    31  var kernel32 = syscall.NewLazyDLL("kernel32.dll")
    32  
    33  var (
    34  	procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
    35  )
    36  
    37  // IsTty returns true if the given file descriptor is a terminal.
    38  func IsTty(fd uintptr) bool {
    39  	var st uint32
    40  	r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, fd, uintptr(unsafe.Pointer(&st)), 0)
    41  	return r != 0 && e == 0
    42  }