50 lines
2.8 KiB
C
50 lines
2.8 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/termios.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/sysv/consts/pty.h"
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#include "libc/sysv/errfuns.h"
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/**
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* Opens new pseudo teletypewriter.
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*
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* @param ilduce receives controlling tty rw fd on success
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* @param aworker receives subordinate tty rw fd on success
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* @param termp may be passed to tune a century of legacy behaviors
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* @param winp may be passed to set terminal display dimensions
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* @params flags is usually O_RDWR|O_NOCTTY
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* @return file descriptor, or -1 w/ errno
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*/
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int openpty(int *ilduce, int *aworker, char *name, const struct termios *termp,
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const struct winsize *winp) {
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return enosys();
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/* TODO(jart) */
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/* int fd, flags; */
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/* flags = O_RDWR | O_NOCTTY; */
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/* if ((fd = posix_openpt(flags)) != -1) { */
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/* if (ioctl(m, TIOCSPTLCK, &n) || ioctl(m, TIOCGPTN, &n)) { */
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/* } else { */
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/* close(fd); */
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/* } */
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/* } else { */
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/* return -1; */
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/* } */
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}
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