74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
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/* Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <fcntl.h>
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#include <pty.h>
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#include <stdlib.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include "pty-internal.h"
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int
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openpty (pmast, pslave, pname, tio, wins)
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int *pmast;
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int *pslave;
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char *pname;
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struct termios *tio;
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struct winsize *wins;
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{
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int pfd, tfd;
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char name[PTYNAMELEN];
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pfd = getpt ();
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if (pfd == -1)
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return -1;
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if (grantpt (pfd))
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goto bail;
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if (unlockpt (pfd))
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goto bail;
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if (!ptsname_r (pfd, name, PTYNAMELEN))
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goto bail;
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tfd = open (name, O_RDWR);
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if (tfd == -1)
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goto bail;
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/* XXX Should we ignore errors here? */
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if(tio)
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tcsetattr (tfd, TCSAFLUSH, tio);
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if (wins)
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ioctl (tfd, TIOCSWINSZ, wins);
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*pmast = pfd;
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*pslave = tfd;
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if (pname != NULL)
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strcpy (pname, name);
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return 0;
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bail:
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close (pfd);
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return -1;
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}
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