/*-*- 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/internal.h"
#include "libc/calls/ioctl.h"
#include "libc/calls/struct/winsize.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/sysv/consts/termios.h"
#include "libc/sysv/errfuns.h"

int ioctl_tiocswinsz_nt(int, const struct winsize *);

/**
 * Sets width and height of terminal.
 *
 * @see ioctl(fd, TIOCSWINSZ, ws) dispatches here
 */
int ioctl_tiocswinsz(int fd, ...) {
  va_list va;
  const struct winsize *ws;
  va_start(va, fd);
  ws = va_arg(va, const struct winsize *);
  va_end(va);
  if (IsAsan() && !__asan_is_valid(ws, sizeof(*ws))) return efault();
  if (fd >= 0) {
    if (fd < g_fds.n && g_fds.p[fd].kind == kFdZip) {
      return enotty();
    } else if (!IsWindows()) {
      return sys_ioctl(fd, TIOCSWINSZ, ws);
    } else {
      return ioctl_tiocswinsz_nt(fd, ws);
    }
  } else {
    return einval();
  }
}
