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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 <fcntl.h>
#include <pty.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include <sys/types.h>
#include "pty-internal.h"
int
openpty (pmast, pslave, pname, tio, wins)
int *pmast;
int *pslave;
char *pname;
struct termios *tio;
struct winsize *wins;
{
int pfd, tfd;
char name[PTYNAMELEN];
pfd = getpt ();
if (pfd == -1)
return -1;
if (grantpt (pfd))
goto bail;
if (unlockpt (pfd))
goto bail;
if (ptsname_r (pfd, name, PTYNAMELEN) != 0)
goto bail;
tfd = open (name, O_RDWR);
if (tfd == -1)
goto bail;
/* XXX Should we ignore errors here? */
if(tio)
tcsetattr (tfd, TCSAFLUSH, tio);
if (wins)
ioctl (tfd, TIOCSWINSZ, wins);
*pmast = pfd;
*pslave = tfd;
if (pname != NULL)
strcpy (pname, name);
return 0;
bail:
close (pfd);
return -1;
}
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