//config: help
//config: This program reports and sets keyboard mode.
-//applet:IF_KBD_MODE(APPLET(kbd_mode, BB_DIR_BIN, BB_SUID_DROP))
+//applet:IF_KBD_MODE(APPLET_NOEXEC(kbd_mode, kbd_mode, BB_DIR_BIN, BB_SUID_DROP, kbd_mode))
//kbuild:lib-$(CONFIG_KBD_MODE) += kbd_mode.o
//usage:#define kbd_mode_trivial_usage
//usage: "[-a|k|s|u] [-C TTY]"
//usage:#define kbd_mode_full_usage "\n\n"
-//usage: "Report or set the keyboard mode\n"
+//usage: "Report or set VT console keyboard mode\n"
//usage: "\n -a Default (ASCII)"
//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"
+//usage: "\n -C TTY Affect TTY"
#include "libbb.h"
#include <linux/kd.h>
};
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;
+ const char *tty_name;
opt = getopt32(argv, "sakuC:", &tty_name);
- fd = xopen_nonblocking(tty_name);
- opt &= 0xf; /* clear -C bit, see (*) */
+ if (opt & 0x10) {
+ opt &= 0xf; /* clear -C bit, see (*) */
+ fd = xopen_nonblocking(tty_name);
+ } else {
+ /* kbd-2.0.3 tries in sequence:
+ * fd#0, /dev/tty, /dev/tty0.
+ * get_console_fd_or_die: /dev/console, /dev/tty0, /dev/tty.
+ * kbd-2.0.3 checks KDGKBTYPE, get_console_fd_or_die checks too.
+ */
+ fd = get_console_fd_or_die();
+ }
if (!opt) { /* print current setting */
const char *mode = "unknown";