| // Copyright 2015 The Chromium OS Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| package overlord | |
| import ( | |
| // #cgo LDFLAGS: -lc | |
| // #include <unistd.h> | |
| "C" | |
| "errors" | |
| ) | |
| // Ttyname retuns the TTY name of a given file descriptor. | |
| func Ttyname(fd uintptr) (string, error) { | |
| var ttyname *C.char | |
| ttyname = C.ttyname(C.int(fd)) | |
| if ttyname == nil { | |
| return "", errors.New("ttyname returned NULL") | |
| } | |
| return C.GoString(ttyname), nil | |
| } |