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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
View File

@ -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);

5
console-tools/loadfont.c
View File

@ -80,7 +80,10 @@ static void do_loadfont(int fd, unsigned char *inbuf, int unit, int fontsize)
}
#if 0
/* These ones do not honour -C tty (they set font on current tty regardless) */
/* These ones do not honour -C tty (they set font on current tty regardless)
* On x86, this distinction is visible on framebuffer consoles
* (regular character consoles may have only one shared font anyway)
*/
#if defined(PIO_FONTX) && !defined(__sparc__)
{
struct consolefontdesc cfd;

10
console-tools/loadkmap.c
View File

@ -5,9 +5,7 @@
* Copyright (C) 1998 Enrique Zanardi <ezanardi@ull.es>
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
*/
#include "libbb.h"
#define BINARY_KEYMAP_MAGIC "bkeymap"
@ -31,11 +29,15 @@ int loadkmap_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
struct kbentry ke;
int i, j, fd;
uint16_t ibuff[NR_KEYS];
/* const char *tty_name = CURRENT_TTY; */
RESERVE_CONFIG_BUFFER(flags,MAX_NR_KEYMAPS);
/* bb_warn_ignoring_args(argc>=2);*/
/* bb_warn_ignoring_args(argc >= 2); */
fd = get_console_fd_or_die();
/* or maybe:
opt = getopt32(argv, "C:", &tty_name);
fd = xopen(tty_name, O_NONBLOCK);
*/
xread(STDIN_FILENO, flags, 7);
if (strncmp(flags, BINARY_KEYMAP_MAGIC, 7))

18
include/usage.h
View File

@ -2019,7 +2019,7 @@
" [ttl TTL] [tos TOS] [[no]pmtudisc] [dev PHYS_DEV]" \
#define kbd_mode_trivial_usage \
"[-a|k|s|u]"
"[-a|k|s|u] [-C TTY]"
#define kbd_mode_full_usage "\n\n" \
"Report or set the keyboard mode\n" \
"\nOptions set mode:" \
@ -2027,6 +2027,7 @@
"\n -k Medium-raw (keyboard)" \
"\n -s Raw (scancode)" \
"\n -u Unicode (utf-8)" \
"\n -C TTY Affect TTY instead of /dev/tty" \
#define kill_trivial_usage \
"[-l] [-SIG] PID..."
@ -2129,20 +2130,23 @@
"lrwxrwxrwx 1 root root 7 Apr 12 18:39 ls -> BusyBox*\n"
#define load_policy_trivial_usage NOUSAGE_STR
#define load_policy_full_usage ""
#define loadfont_trivial_usage \
"< font"
#define loadfont_full_usage "\n\n" \
"Load a console font from standard input"
"Load a console font from standard input" \
/* "\n -C TTY Affect TTY instead of /dev/tty" */ \
#define loadfont_example_usage \
"$ loadfont < /etc/i18n/fontname\n"
#define loadkmap_trivial_usage \
"< keymap"
#define loadkmap_full_usage "\n\n" \
"Load a binary keyboard translation table from standard input"
"Load a binary keyboard translation table from standard input\n" \
/* "\n -C TTY Affect TTY instead of /dev/tty" */ \
#define loadkmap_example_usage \
"$ loadkmap < /etc/i18n/lang-keymap\n"
@ -3476,9 +3480,11 @@
"Start and monitor a service and optionally an appendant log service"
#define runsvdir_trivial_usage \
"[-P] dir"
"[-P] [-s SCRIPT] dir"
#define runsvdir_full_usage "\n\n" \
"Start a runsv process for each subdirectory"
"Start a runsv process for each subdirectory. If it exits, restart it.\n" \
"\n -P Put each runsv in a new session" \
"\n -s SCRIPT Run SCRIPT <signo> after signal is processed" \
#define rx_trivial_usage \
"FILE"