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/* Copyright (C) 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
/* Path to the master pseudo terminal cloning device. */
#define _PATH_DEVPTMX "/dev/ptmx"
/* Prototype for function that opens BSD-style master pseudo-terminals. */
int __bsd_getpt (void);
/* Open a master pseudo terminal and return its file descriptor. */
int
__getpt (void)
{
static int have_dev_ptmx = 1;
int fd;
if (have_dev_ptmx)
{
fd = __open (_PATH_DEVPTMX, O_RDWR);
if (fd != -1)
return fd;
else
{
if (errno == ENOENT || errno == ENODEV)
have_dev_ptmx = 0;
else
return -1;
}
}
return __bsd_getpt ();
}
#define PTYNAME1 "pqrstuvwxyzabcde";
#define PTYNAME2 "0123456789abcdef";
#define __getpt __bsd_getpt
#include <sysdeps/unix/bsd/getpt.c>
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