/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-â
âvi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :viâ
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â Copyright 2020 Justine Alexandra Roberts Tunney                              â
â                                                                              â
â Permission to use, copy, modify, and/or distribute this software for         â
â any purpose with or without fee is hereby granted, provided that the         â
â above copyright notice and this permission notice appear in all copies.      â
â                                                                              â
â THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                â
â WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                â
â WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             â
â AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         â
â DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        â
â PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               â
â TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             â
â PERFORMANCE OF THIS SOFTWARE.                                                â
ââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââââ*/
#include "libc/calls/ioctl.h"
#include "libc/calls/termios.h"
#include "libc/sysv/consts/termios.h"

/**
 * Obtains the termios struct.
 *
 * Here are the general defaults you can expect across platforms:
 *
 *     c_iflag        = ICRNL IXON
 *     c_oflag        = OPOST ONLCR NL0 CR0 TAB0 BS0 VT0 FF0
 *     c_cflag        = ISIG CREAD CS8
 *     c_lflag        = ISIG ICANON ECHO ECHOE ECHOK IEXTEN ECHOCTL ECHOKE
 *     c_ispeed       = 38400
 *     c_ospeed       = 38400
 *     c_cc[VINTR]    = CTRL-C
 *     c_cc[VQUIT]    = CTRL-\   # ignore this comment
 *     c_cc[VERASE]   = CTRL-?
 *     c_cc[VKILL]    = CTRL-U
 *     c_cc[VEOF]     = CTRL-D
 *     c_cc[VTIME]    = CTRL-@
 *     c_cc[VMIN]     = CTRL-A
 *     c_cc[VSTART]   = CTRL-Q
 *     c_cc[VSTOP]    = CTRL-S
 *     c_cc[VSUSP]    = CTRL-Z
 *     c_cc[VEOL]     = CTRL-@
 *     c_cc[VSWTC]    = CTRL-@
 *     c_cc[VREPRINT] = CTRL-R
 *     c_cc[VDISCARD] = CTRL-O
 *     c_cc[VWERASE]  = CTRL-W
 *     c_cc[VLNEXT]   = CTRL-V
 *     c_cc[VEOL2]    = CTRL-@
 *
 * @param fd open file descriptor that isatty()
 * @param tio is where result is stored
 * @return 0 on success, or -1 w/ errno
 * @asyncsignalsafe
 */
int(tcgetattr)(int fd, struct termios *tio) {
  return ioctl(fd, TCGETS, tio);
}
