emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

kbd_mode: show "off" mode too

Browse Source 
function                                             old     new   delta
kbd_mode_main                                        156     166     +10

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-08-06 11:58:46 +02:00
parent 3239ab89c9
commit 6517bbc76c
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
console-tools/kbd_mode.c
View File

@ -24,7 +24,7 @@
//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"
@ -43,6 +43,10 @@ int kbd_mode_main(int argc UNUSED_PARAM, char **argv)
};
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);
@ -62,9 +66,19 @@ int kbd_mode_main(int argc UNUSED_PARAM, char **argv)
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);