mirror of
https://github.com/jart/cosmopolitan.git
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adac64a52b
The includes in libc/calls/calls.h have now been refactored so that functions with struct parameters are declared in libc/calls/struct/
84 lines
3.8 KiB
C
84 lines
3.8 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/bits/weaken.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/internal.h"
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#include "libc/calls/state.internal.h"
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#include "libc/calls/strace.internal.h"
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#include "libc/calls/struct/termios.h"
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#include "libc/calls/struct/winsize.h"
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#include "libc/calls/syscall_support-nt.internal.h"
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#include "libc/intrin/spinlock.h"
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#include "libc/log/log.h"
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#include "libc/nt/console.h"
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#include "libc/nt/enum/startf.h"
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#include "libc/nt/startupinfo.h"
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#include "libc/nt/struct/consolescreenbufferinfoex.h"
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#include "libc/str/str.h"
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#include "libc/sysv/errfuns.h"
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textwindows int ioctl_tiocgwinsz_nt(struct Fd *fd, struct winsize *ws) {
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int i, e, rc;
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uint32_t mode;
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struct Fd *fds[3];
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struct NtStartupInfo startinfo;
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struct NtConsoleScreenBufferInfoEx sbinfo;
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rc = -1;
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e = errno;
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if (ws) {
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__fds_lock();
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fds[0] = fd, fds[1] = g_fds.p + 1, fds[2] = g_fds.p + 0;
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GetStartupInfo(&startinfo);
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for (i = 0; i < ARRAYLEN(fds); ++i) {
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if (fds[i]->kind == kFdFile || fds[i]->kind == kFdConsole) {
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if (GetConsoleMode(__getfdhandleactual(i), &mode)) {
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bzero(&sbinfo, sizeof(sbinfo));
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sbinfo.cbSize = sizeof(sbinfo);
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if (GetConsoleScreenBufferInfoEx(__getfdhandleactual(i), &sbinfo)) {
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ws->ws_col = sbinfo.srWindow.Right - sbinfo.srWindow.Left + 1;
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ws->ws_row = sbinfo.srWindow.Bottom - sbinfo.srWindow.Top + 1;
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ws->ws_xpixel = 0;
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ws->ws_ypixel = 0;
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errno = e;
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rc = 0;
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break;
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} else if (startinfo.dwFlags & kNtStartfUsecountchars) {
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ws->ws_col = startinfo.dwXCountChars;
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ws->ws_row = startinfo.dwYCountChars;
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ws->ws_xpixel = 0;
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ws->ws_ypixel = 0;
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errno = e;
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rc = 0;
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break;
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} else {
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__winerr();
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}
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} else {
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enotty();
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}
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} else {
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ebadf();
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}
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}
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__fds_unlock();
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} else {
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efault();
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}
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return rc;
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}
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