log, vendor: vendor in log15 inline into our codebase

1 files changed, 20 insertions, 0 deletions

diff --git a/log/term/terminal_notwindows.go b/log/term/terminal_notwindows.go
new file mode 100644
index 000000000..c9af534f6
--- /dev/null
+++ b/log/term/terminal_notwindows.go
@@ -0,0 +1,20 @@
+// 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 linux,!appengine darwin freebsd openbsd netbsd
+
+package term
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+// IsTty returns true if the given file descriptor is a terminal.
+func IsTty(fd uintptr) bool {
+	var termios Termios
+	_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
+	return err == 0
+}