vendor/github.com/fsouza/go-dockerclient/external/github.com/Sirupsen/logrus/terminal_notwindows.go

   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 linux darwin freebsd openbsd netbsd dragonfly
   7
   8 package logrus
   9
  10 import (
  11         "syscall"
  12         "unsafe"
  13 )
  14
  15 // IsTerminal returns true if stderr's file descriptor is a terminal.
  16 func IsTerminal() bool {
  17         fd := syscall.Stderr
  18         var termios Termios
  19         _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
  20         return err == 0
  21 }