Daniel Wagner-Hall
05f9567ba3
We actually write to stderr by default, so: bin >/dev/null currently weirdly prints non-colorized output, whereas: bin 2>log weirdly prints colorized output to a file.
22 lines
574 B
Go
22 lines
574 B
Go
// Based on ssh/terminal:
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// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build linux darwin freebsd openbsd netbsd dragonfly
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package logrus
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import (
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"syscall"
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"unsafe"
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)
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// IsTerminal returns true if stderr's file descriptor is a terminal.
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func IsTerminal() bool {
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fd := syscall.Stderr
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var termios Termios
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_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
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return err == 0
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}
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