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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 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
- <http://www.gnu.org/licenses/>. */
- #include <sys/types.h>
- #include <termios.h>
- #include <unistd.h>
- #include <utmp.h>
- #include <pty.h>
- int
- forkpty (int *amaster, char *name, struct termios *termp, struct winsize *winp)
- {
- int master, slave, pid;
- if (openpty (&master, &slave, name, termp, winp) == -1)
- return -1;
- switch (pid = fork ())
- {
- case -1:
- return -1;
- case 0:
- /* Child. */
- close (master);
- if (login_tty (slave))
- _exit (1);
- return 0;
- default:
- /* Parent. */
- *amaster = master;
- close (slave);
- return pid;
- }
- }
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