//usage:#define kbd_mode_full_usage "\n\n"
//usage: "Report or set the keyboard mode\n"
//usage: "\n -a Default (ASCII)"
-//usage: "\n -k Medium-raw (keyboard)"
+//usage: "\n -k Medium-raw (keycode)"
//usage: "\n -s Raw (scancode)"
//usage: "\n -u Unicode (utf-8)"
//usage: "\n -C TTY Affect TTY instead of /dev/tty"
};
int fd;
unsigned opt;
+//TODO? kbd-2.0.3 without -C tries in sequence:
+//fd#0, /dev/tty, /dev/tty0.
+//Also, it checks KDGKBTYPE before doing KDGKBMODE
+//maybe we can use get_console_fd_or_die()?
const char *tty_name = CURRENT_TTY;
opt = getopt32(argv, "sakuC:", &tty_name);
mode = "mediumraw (keycode)";
else if (m == K_UNICODE)
mode = "Unicode (UTF-8)";
+ else if (m == 4 /*K_OFF*/) /* kbd-2.0.3 does not show this mode, says "unknown" */
+ mode = "off";
printf("The keyboard is in %s mode\n", mode);
} else {
- /* here we depend on specific bits assigned to options (*) */
+ /* here we depend on specific bits assigned to options (*)
+ * KDSKBMODE constants have these values:
+ * #define K_RAW 0x00
+ * #define K_XLATE 0x01
+ * #define K_MEDIUMRAW 0x02
+ * #define K_UNICODE 0x03
+ * #define K_OFF 0x04
+ * (looks like "-ak" together would cause the same effect as -u)
+ */
opt = opt & UNICODE ? 3 : opt >> 1;
/* double cast prevents warnings about widening conversion */
xioctl(fd, KDSKBMODE, (void*)(ptrdiff_t)opt);