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Implement basic canonical mode for Windows

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The `cat` command now works properly, when run by itself on the bash
command prompt. It's working beautifully so far, and is only missing
a few keystrokes for clearing words and lines. Definitely works more
well than the one that ships with WIN32 :-)
This commit is contained in:
Justine Tunney 2023-10-03 22:34:45 -07:00
parent 4825737509
commit f26a280cda
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
36 changed files with 320 additions and 231 deletions
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30
libc/calls/tcgetattr-nt.c
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@ -55,22 +55,7 @@ textwindows int tcgetattr_nt(int fd, struct termios *tio) {
}
bzero(tio, sizeof(*tio));
tio->c_cc[VMIN] = !(__ttymagic & kFdTtyNoBlock);
tio->c_cc[VEOF] = __veof;
tio->c_cc[VTIME] = __vtime;
tio->c_cc[VINTR] = __vintr;
tio->c_cc[VQUIT] = __vquit;
tio->c_cc[VERASE] = CTRL('?');
tio->c_cc[VWERASE] = CTRL('W');
tio->c_cc[VKILL] = CTRL('U');
tio->c_cc[VMIN] = CTRL('A');
tio->c_cc[VSTART] = _POSIX_VDISABLE;
tio->c_cc[VSTOP] = _POSIX_VDISABLE;
tio->c_cc[VSUSP] = _POSIX_VDISABLE;
tio->c_cc[VREPRINT] = CTRL('R');
tio->c_cc[VDISCARD] = CTRL('O');
tio->c_cc[VLNEXT] = CTRL('V');
memcpy(tio->c_cc, __ttyconf.c_cc, NCCS);
tio->c_iflag = IUTF8;
tio->c_lflag = ECHOE;
@ -78,21 +63,24 @@ textwindows int tcgetattr_nt(int fd, struct termios *tio) {
tio->_c_ispeed = B38400;
tio->_c_ospeed = B38400;
if (inmode & kNtEnableLineInput) {
// kNtEnableLineInput and kNtEnableEchoInput only apply to programs
// that call ReadFile() or ReadConsole(). since we do not use them,
// the flags could serve the purpose of inter-process communication
if ((inmode & kNtEnableLineInput) || !(__ttyconf.magic & kTtyUncanon)) {
tio->c_lflag |= ICANON;
}
// kNtEnableEchoInput only works with kNtEnableLineInput enabled.
if ((inmode & kNtEnableEchoInput) || (__ttymagic & kFdTtyEchoing)) {
if ((inmode & kNtEnableEchoInput) || !(__ttyconf.magic & kTtySilence)) {
tio->c_lflag |= ECHO;
}
// The Windows console itself always echos control codes as ASCII.
if ((inmode & kNtEnableEchoInput) || !(__ttymagic & kFdTtyEchoRaw)) {
if ((inmode & kNtEnableEchoInput) || !(__ttyconf.magic & kTtyEchoRaw)) {
tio->c_lflag |= ECHOCTL;
}
if (!(__ttymagic & kFdTtyNoCr2Nl)) {
if (!(__ttyconf.magic & kTtyNoCr2Nl)) {
tio->c_iflag |= ICRNL;
}
if (!(__ttymagic & kFdTtyNoIsigs)) {
if (!(__ttyconf.magic & kTtyNoIsigs)) {
tio->c_lflag |= ISIG;
}
if (inmode & kNtEnableProcessedInput) {