mirror of
https://github.com/jart/cosmopolitan.git
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91 lines
4 KiB
C
91 lines
4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et 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/assert.h"
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#include "libc/calls/internal.h"
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#include "libc/intrin/fds.h"
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#include "libc/calls/struct/termios.h"
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#include "libc/calls/syscall-nt.internal.h"
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#include "libc/intrin/nomultics.h"
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#include "libc/nt/console.h"
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#include "libc/nt/enum/consolemodeflags.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/baud.internal.h"
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#include "libc/sysv/consts/termios.h"
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#include "libc/sysv/errfuns.h"
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#ifdef __x86_64__
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textwindows int tcgetattr_nt(int fd, struct termios *tio) {
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int64_t hInput, hOutput;
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uint32_t inmode, outmode;
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// validate file descriptor
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if (!__isfdopen(fd))
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return ebadf();
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if (!__isfdkind(fd, kFdConsole))
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return enotty();
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// then completely ignore it
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hInput = GetConsoleInputHandle();
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hOutput = GetConsoleOutputHandle();
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unassert(GetConsoleMode(hInput, &inmode));
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unassert(GetConsoleMode(hOutput, &outmode));
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// now interpret the configuration
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bzero(tio, sizeof(*tio));
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memcpy(tio->c_cc, __ttyconf.c_cc, NCCS);
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tio->c_iflag = IUTF8;
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tio->c_lflag = ECHOE;
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tio->c_cflag = CS8 | CREAD;
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tio->_c_ispeed = B38400;
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tio->_c_ospeed = B38400;
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// kNtEnableLineInput and kNtEnableEchoInput only apply to programs
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// that call ReadFile() or ReadConsole(). since we do not use them,
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// the flags could serve the purpose of inter-process communication
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if ((inmode & kNtEnableLineInput) || !(__ttyconf.magic & kTtyUncanon)) {
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tio->c_lflag |= ICANON;
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}
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// kNtEnableEchoInput only works with kNtEnableLineInput enabled.
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if ((inmode & kNtEnableEchoInput) || !(__ttyconf.magic & kTtySilence)) {
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tio->c_lflag |= ECHO;
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}
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// The Windows console itself always echos control codes as ASCII.
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if ((inmode & kNtEnableEchoInput) || !(__ttyconf.magic & kTtyEchoRaw)) {
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tio->c_lflag |= ECHOCTL;
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}
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if (!(__ttyconf.magic & kTtyNoCr2Nl)) {
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tio->c_iflag |= ICRNL;
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}
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if (!(__ttyconf.magic & kTtyNoIsigs)) {
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tio->c_lflag |= ISIG;
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}
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if (inmode & kNtEnableProcessedInput) {
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tio->c_lflag |= IEXTEN;
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}
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if (outmode & kNtEnableProcessedOutput) {
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tio->c_oflag |= OPOST;
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}
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if (!(outmode & kNtDisableNewlineAutoReturn)) {
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tio->c_oflag |= OPOST | ONLCR;
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}
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return 0;
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}
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#endif /* __x86_64__ */
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