command running, raw mode and history

src/raw.rs

@@ -0,0 +1,24 @@
+pub fn enable_raw_mode() -> libc::termios {
+    unsafe {
+        let fd = libc::STDIN_FILENO;
+        let mut termios = std::mem::zeroed();
+        libc::tcgetattr(fd, &mut termios);
+
+        let mut raw = termios;
+        raw.c_iflag &= !(libc::BRKINT | libc::ICRNL | libc::INPCK | libc::ISTRIP | libc::IXON);
+        raw.c_oflag &= !(libc::OPOST);
+        raw.c_cflag |= libc::CS8;
+        raw.c_lflag &= !(libc::ECHO | libc::ICANON | libc::IEXTEN | libc::ISIG);
+        raw.c_cc[libc::VMIN] = 1;
+        raw.c_cc[libc::VTIME] = 0;
+        libc::tcsetattr(fd, libc::TCSAFLUSH, &raw);
+
+        termios
+    }
+}
+
+pub fn disable_raw_mode(orig: &libc::termios) {
+    unsafe {
+        libc::tcsetattr(libc::STDIN_FILENO, libc::TCSAFLUSH, orig);
+    }
+}