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kbd_mode: new applet by Loïc Grenié <loic.grenie@gmail.com>

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kbd_mode_main                                          -     189    +189
packed_usage                                       22745   22833     +88
applets                                             3132    3144     +12
static.opts                                            7      12      +5
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(add/remove: 1/0 grow/shrink: 3/0 up/down: 294/0)             Total: 294 bytes
   text    data     bss     dec     hex filename
 777210    1000    9532  787742   c051e busybox_old
 777575    1000    9532  788107   c068b busybox_unstripped
This commit is contained in:
Denis Vlasenko 2007-10-20 00:17:34 +00:00
parent 85ff862753
commit aa7a888e42
6 changed files with 90 additions and 1 deletions
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6
console-tools/Config.in
View File

@ -31,6 +31,12 @@ config DUMPKMAP
This program dumps the kernel's keyboard translation table to
stdout, in binary format. You can then use loadkmap to load it.
config KBD_MODE
bool "kbd_mode"
default n
help
This program reports and sets keyboard mode.
config LOADFONT
bool "loadfont"
default n

1
console-tools/Kbuild
View File

@ -10,6 +10,7 @@ lib-$(CONFIG_CLEAR) += clear.o
lib-$(CONFIG_DEALLOCVT) += deallocvt.o
lib-$(CONFIG_DUMPKMAP) += dumpkmap.o
lib-$(CONFIG_SETCONSOLE) += setconsole.o
lib-$(CONFIG_KBD_MODE) += kbd_mode.o
lib-$(CONFIG_LOADFONT) += loadfont.o
lib-$(CONFIG_LOADKMAP) += loadkmap.o
lib-$(CONFIG_OPENVT) += openvt.o

71
console-tools/kbd_mode.c Normal file
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@ -0,0 +1,71 @@
/* vi: set sw=4 ts=4: */
/*
* Mini loadkmap implementation for busybox
*
* Copyright (C) 2007 Loïc Grenié <loic.grenie@gmail.com>
* written using Andries Brouwer <aeb@cwi.nl>'s kbd_mode from
* console-utils v0.2.3, licensed under GNU GPLv2
*
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
*/
#include <getopt.h>
#include "libbb.h"
#include <linux/kd.h>
int kbd_mode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int kbd_mode_main(int argc, char **argv)
{
static const char opts[] = "saku";
const char *opt = argv[1];
const char *p;
int fd;
fd = get_console_fd();
if (fd < 0) /* get_console_fd() already complained */
return EXIT_FAILURE;
if (opt == NULL) {
/* No arg */
const char *msg = "unknown";
int mode;
ioctl(fd, KDGKBMODE, &mode);
switch(mode) {
case K_RAW:
msg = "raw (scancode)";
break;
case K_XLATE:
msg = "default (ASCII)";
break;
case K_MEDIUMRAW:
msg = "mediumraw (keycode)";
break;
case K_UNICODE:
msg = "Unicode (UTF-8)";
break;
}
printf("The keyboard is in %s mode\n", msg);
}
else if (argc > 2 /* more than 1 arg */
|| *opt != '-' /* not an option */
|| (p = strchr(opts, opt[1])) == NULL /* not an option we expect */
|| opt[2] != '\0' /* more than one option char */
) {
bb_show_usage();
/* return EXIT_FAILURE; - not reached */
}
else {
#if K_RAW != 0 || K_XLATE != 1 || K_MEDIUMRAW != 2 || K_UNICODE != 3
#error kbd_mode must be changed
#endif
/* The options are in the order of the various K_xxx */
ioctl(fd, KDSKBMODE, p - opts);
}
if (ENABLE_FEATURE_CLEAN_UP)
close(fd);
return EXIT_SUCCESS;
}

1
include/applets.h
View File

@ -202,6 +202,7 @@ USE_IPLINK(APPLET(iplink, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_IPROUTE(APPLET(iproute, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_IPRULE(APPLET(iprule, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_IPTUNNEL(APPLET(iptunnel, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_KBD_MODE(APPLET(kbd_mode, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_KILL(APPLET(kill, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_KILLALL(APPLET_ODDNAME(killall, kill, _BB_DIR_USR_BIN, _BB_SUID_NEVER, killall))
USE_KILLALL5(APPLET_ODDNAME(killall5, kill, _BB_DIR_USR_BIN, _BB_SUID_NEVER, killall5))

10
include/usage.h
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@ -1805,6 +1805,16 @@
" [[i|o]seq] [[i|o]key KEY] [[i|o]csum]\n" \
" [ttl TTL] [tos TOS] [[no]pmtudisc] [dev PHYS_DEV]"
#define kbd_mode_trivial_usage \
"[-a|k|s|u]"
#define kbd_mode_full_usage \
"Report or set the keyboard mode" \
"\n\nOptions set mode:\n" \
" -a Default (ASCII)\n" \
" -k Medium-raw (keyboard)\n" \
" -s Raw (scancode)\n" \
" -u Unicode (utf-8)"
#define kill_trivial_usage \
"[-l] [-signal] process-id [process-id ...]"
#define kill_full_usage \

2
libbb/get_console.c
View File

@ -67,6 +67,6 @@ int get_console_fd(void)
}
}
bb_error_msg("cannot get file descriptor referring to console");
bb_error_msg("can't open console");
return fd; /* total failure */
}