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Terminal: Support VKILL and VERASE. Also ignore null characters.

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This commit is contained in:
Andreas Kling 2019-01-25 15:34:21 +01:00
parent d059e684a2
commit 92c14ba887
Notes: sideshowbarker 2024-07-19 15:56:53 +09:00
1 changed files with 16 additions and 2 deletions
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18
Userland/sh.cpp
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@ -19,6 +19,7 @@ struct GlobalState {
char hostname[32];
pid_t sid;
uid_t uid;
termios termios;
};
static GlobalState* g;
@ -364,6 +365,8 @@ int main(int, char**)
g->sid = setsid();
tcsetpgrp(0, getpgrp());
tcgetattr(0, &g->termios);
{
struct sigaction sa;
sa.sa_handler = handle_sigint;
@ -414,11 +417,22 @@ int main(int, char**)
}
for (ssize_t i = 0; i < nread; ++i) {
char ch = keybuf[i];
if (ch == 8) {
if (ch == 0)
continue;
if (ch == 8 || ch == g->termios.c_cc[VERASE]) {
if (linedx == 0)
continue;
linebuf[--linedx] = '\0';
putchar(ch);
putchar(8);
fflush(stdout);
continue;
}
if (ch == g->termios.c_cc[VKILL]) {
if (linedx == 0)
continue;
for (; linedx; --linedx)
putchar(0x8);
linebuf[0] = '\0';
fflush(stdout);
continue;
}