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kbd_mode: support -C TTY option

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function                                             old     new   delta
packed_usage                                       25334   25361     +27
kbd_mode_main                                        146     173     +27
This commit is contained in:
Denis Vlasenko
2008-11-08 21:39:06 +00:00
parent 2a8329e0e9
commit dc70069a46
4 changed files with 31 additions and 19 deletions
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17
console-tools/kbd_mode.c
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@ -7,26 +7,26 @@
* console-utils v0.2.3, licensed under GNU GPLv2
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
*/
#include "libbb.h"
#include <linux/kd.h>
int kbd_mode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int kbd_mode_main(int argc UNUSED_PARAM, char **argv)
{
int fd;
unsigned opt;
enum {
SCANCODE = (1 << 0),
ASCII = (1 << 1),
MEDIUMRAW = (1 << 2),
UNICODE = (1 << 3)
UNICODE = (1 << 3),
};
static const char KD_xxx[] ALIGN1 = "saku";
opt = getopt32(argv, KD_xxx);
fd = get_console_fd_or_die();
int fd;
unsigned opt;
const char *tty_name = CURRENT_TTY;
opt = getopt32(argv, "sakuC:", &tty_name);
fd = xopen(tty_name, O_NONBLOCK);
opt &= 0xf; /* clear -C bit, see (*) */
if (!opt) { /* print current setting */
const char *mode = "unknown";
@ -43,6 +43,7 @@ int kbd_mode_main(int argc UNUSED_PARAM, char **argv)
mode = "Unicode (UTF-8)";
printf("The keyboard is in %s mode\n", mode);
} else {
/* here we depend on specific bits assigned to options (*) */
opt = opt & UNICODE ? 3 : opt >> 1;
/* double cast prevents warnings about widening conversion */
xioctl(fd, KDSKBMODE, (void*)(ptrdiff_t)opt);