Blame sysdeps/unix/bsd/unlockpt.c
|
Packit |
6c4009 |
/* Copyright (C) 1998-2018 Free Software Foundation, Inc.
|
|
Packit |
6c4009 |
This file is part of the GNU C Library.
|
|
Packit |
6c4009 |
Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is free software; you can redistribute it and/or
|
|
Packit |
6c4009 |
modify it under the terms of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License as published by the Free Software Foundation; either
|
|
Packit |
6c4009 |
version 2.1 of the License, or (at your option) any later version.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
The GNU C Library is distributed in the hope that it will be useful,
|
|
Packit |
6c4009 |
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
Packit |
6c4009 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Packit |
6c4009 |
Lesser General Public License for more details.
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
You should have received a copy of the GNU Lesser General Public
|
|
Packit |
6c4009 |
License along with the GNU C Library; if not, see
|
|
Packit |
6c4009 |
<http://www.gnu.org/licenses/>. */
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#include <paths.h>
|
|
Packit |
6c4009 |
#include <stdlib.h>
|
|
Packit |
6c4009 |
#include <string.h>
|
|
Packit |
6c4009 |
#include <unistd.h>
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Unlock the slave pseudo terminal associated with the master pseudo
|
|
Packit |
6c4009 |
terminal specified by FD. */
|
|
Packit |
6c4009 |
int
|
|
Packit |
6c4009 |
unlockpt (int fd)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
char buf[sizeof (_PATH_TTY) + 2];
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* BSD doesn't have a lock, but it does have `revoke'. */
|
|
Packit |
6c4009 |
if (__ptsname_r (fd, buf, sizeof (buf)))
|
|
Packit |
6c4009 |
return -1;
|
|
Packit |
6c4009 |
return __revoke (buf);
|
|
Packit |
6c4009 |
}
|