48 lines
2.7 KiB
C
48 lines
2.7 KiB
C
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/*-*- 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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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ 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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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/ioctl.h"
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#include "libc/calls/termios.h"
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#include "libc/sysv/consts/termios.h"
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#include "libc/sysv/errfuns.h"
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/**
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* Sets struct on teletypewriter w/ drains and flushes.
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*
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* @param fd open file descriptor that isatty()
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* @param opt can be:
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* - TCSANOW: sets console settings
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* - TCSADRAIN: drains output, and sets console settings
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* - TCSAFLUSH: drops input, drains output, and sets console settings
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* @return 0 on success, -1 w/ errno
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* @asyncsignalsafe
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*/
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int(tcsetattr)(int fd, int opt, const struct termios *tio) {
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switch (opt) {
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case TCSANOW:
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return ioctl(fd, TCSETS, (void *)tio);
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case TCSADRAIN:
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return ioctl(fd, TCSETSW, (void *)tio);
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case TCSAFLUSH:
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return ioctl(fd, TCSETSF, (void *)tio);
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default:
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return einval();
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}
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}
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