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Omg, it works!

This commit is contained in:
Radon Rosborough 2021-08-09 21:47:29 -07:00
parent 32c08bc641
commit 09ce44e605
1 changed files with 19 additions and 0 deletions
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19
system/src/riju-pty.c
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@ -3,8 +3,10 @@
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <termios.h>
#include <unistd.h>
void __attribute__((noreturn)) die(char *msg)
@ -15,6 +17,10 @@ void __attribute__((noreturn)) die(char *msg)
void die_with_usage() { die("usage: riju-pty CMDLINE..."); }
struct termios orig_termios;
void restore_termios() { tcsetattr(STDIN_FILENO, TCSAFLUSH, &orig_termios); }
int main(int argc, char **argv)
{
if (argc <= 1)
@ -54,6 +60,18 @@ int main(int argc, char **argv)
if (pid < 0)
die("fork failed");
else if (pid == 0) {
if (tcgetattr(STDIN_FILENO, &orig_termios) < 0)
die("tcgetattr failed");
if (atexit(restore_termios) != 0)
die("atexit failed");
struct termios raw = orig_termios;
// https://viewsourcecode.org/snaptoken/kilo/02.enteringRawMode.html
raw.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
raw.c_oflag &= ~(OPOST);
raw.c_cflag |= (CS8);
raw.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG);
if (tcsetattr(STDIN_FILENO, TCSAFLUSH, &raw) < 0)
die("tcsetattr failed");
while ((len = read(STDIN_FILENO, buf, 1024)) > 0) {
char *ptr = buf;
while (len > 0) {
@ -64,6 +82,7 @@ int main(int argc, char **argv)
ptr += len_written;
}
}
write(pty_master_fd, "\004", 1);
} else {
if (setvbuf(stdout, NULL, _IONBF, 0) != 0)
die("setvbuf failed");