mirror of
https://github.com/sheumann/hush.git
synced 2024-12-28 22:30:05 +00:00
2afd5ab62c
get_console_fd_or_die(). function old new delta get_console_fd_or_die - 163 +163 loadkmap_main 211 201 -10 loadfont_main 440 430 -10 dumpkmap_main 218 208 -10 kbd_mode_main 158 146 -12 setkeycodes_main 156 143 -13 get_console_fd 163 - -163 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 0/5 up/down: 163/-218) Total: -55 bytes
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini dumpkmap implementation for busybox
|
|
*
|
|
* Copyright (C) Arne Bernin <arne@matrix.loopback.org>
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
|
*
|
|
*/
|
|
/* no options, no getopt */
|
|
|
|
#include "libbb.h"
|
|
|
|
/* From <linux/kd.h> */
|
|
struct kbentry {
|
|
unsigned char kb_table;
|
|
unsigned char kb_index;
|
|
unsigned short kb_value;
|
|
};
|
|
#define KDGKBENT 0x4B46 /* gets one entry in translation table */
|
|
|
|
/* From <linux/keyboard.h> */
|
|
#define NR_KEYS 128
|
|
#define MAX_NR_KEYMAPS 256
|
|
|
|
int dumpkmap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int dumpkmap_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
|
|
{
|
|
struct kbentry ke;
|
|
int i, j, fd;
|
|
RESERVE_CONFIG_BUFFER(flags,MAX_NR_KEYMAPS);
|
|
|
|
/* bb_warn_ignoring_args(argc>=2);*/
|
|
|
|
fd = get_console_fd_or_die();
|
|
|
|
write(STDOUT_FILENO, "bkeymap", 7);
|
|
|
|
/* Here we want to set everything to 0 except for indexes:
|
|
* [0-2] [4-6] [8-10] [12] */
|
|
memset(flags, 0x00, MAX_NR_KEYMAPS);
|
|
memset(flags, 0x01, 13);
|
|
flags[3] = flags[7] = flags[11] = 0;
|
|
|
|
/* dump flags */
|
|
write(STDOUT_FILENO, flags, MAX_NR_KEYMAPS);
|
|
|
|
for (i = 0; i < MAX_NR_KEYMAPS; i++) {
|
|
if (flags[i] == 1) {
|
|
for (j = 0; j < NR_KEYS; j++) {
|
|
ke.kb_index = j;
|
|
ke.kb_table = i;
|
|
if (!ioctl_or_perror(fd, KDGKBENT, &ke,
|
|
"ioctl failed with %s, %s, %p",
|
|
(char *)&ke.kb_index,
|
|
(char *)&ke.kb_table,
|
|
&ke.kb_value)
|
|
) {
|
|
write(STDOUT_FILENO, (void*)&ke.kb_value, 2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (ENABLE_FEATURE_CLEAN_UP) {
|
|
close(fd);
|
|
RELEASE_CONFIG_BUFFER(flags);
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|