glibc/login/ptsname.c

45 lines
1.3 KiB
C

/* Copyright (C) 1998-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
/* Given the file descriptor of a master pty, return the pathname
of the associated slave. */
char *
ptsname (int fd __attribute__ ((unused)))
{
__set_errno (ENOSYS);
return NULL;
}
int
__ptsname_r (int fd __attribute__ ((unused)),
char *buf __attribute__ ((unused)),
size_t len __attribute__ ((unused)))
{
__set_errno (ENOSYS);
return ENOSYS;
}
weak_alias (__ptsname_r, ptsname_r)
stub_warning(ptsname)
stub_warning(ptsname_r)