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/* loadkeys.c
*
* This file is part of kbd project.
* Copyright (C) 1993 Risto Kankkunen.
* Copyright (C) 1993 Eugene G. Crosser.
* Copyright (C) 1994-2007 Andries E. Brouwer.
* Copyright (C) 2007-2012 Alexey Gladkov <gladkov.alexey@gmail.com>
*
* This file is covered by the GNU General Public License,
* which should be included with kbd as the file COPYING.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include <sysexits.h>
#include <sys/ioctl.h>
#include "libcommon.h"
#include "paths.h"
#include "keymap.h"
static const char *const dirpath1[] = { "", DATADIR "/" KEYMAPDIR "/**", KERNDIR "/", 0 };
static const char *const suffixes[] = { "", ".kmap", ".map", 0 };
static void __attribute__((noreturn))
usage(int rc)
{
fprintf(stderr, _(
"loadkeys version %s\n"
"\n"
"Usage: %s [option...] [mapfile...]\n"
"\n"
"Options:\n"
" -a, --ascii force conversion to ASCII;\n"
" -b, --bkeymap output a binary keymap to stdout;\n"
" -c, --clearcompose clear kernel compose table;\n"
" -C, --console=file the console device to be used;\n"
" -d, --default load \"%s\";\n"
" -m, --mktable output a \"defkeymap.c\" to stdout;\n"
" -p, --parse search and parse keymap without action;\n"
" -s, --clearstrings clear kernel string table;\n"
" -u, --unicode force conversion to Unicode;\n"
" -q, --quiet suppress all normal output;\n"
" -v, --verbose explain what is being done;\n"
" -h, --help print this usage message;\n"
" -V, --version print version number.\n"),
PACKAGE_VERSION, get_progname(), DEFMAP);
exit(rc);
}
int main(int argc, char *argv[])
{
const char *const short_opts = "abcC:dhmpsuqvV";
const struct option long_opts[] = {
{ "console", required_argument, NULL, 'C' },
{ "ascii", no_argument, NULL, 'a' },
{ "bkeymap", no_argument, NULL, 'b' },
{ "clearcompose", no_argument, NULL, 'c' },
{ "default", no_argument, NULL, 'd' },
{ "help", no_argument, NULL, 'h' },
{ "mktable", no_argument, NULL, 'm' },
{ "parse", no_argument, NULL, 'p' },
{ "clearstrings", no_argument, NULL, 's' },
{ "unicode", no_argument, NULL, 'u' },
{ "quiet", no_argument, NULL, 'q' },
{ "verbose", no_argument, NULL, 'v' },
{ "version", no_argument, NULL, 'V' },
{ NULL, 0, NULL, 0 }
};
enum options {
OPT_A = (1 << 1),
OPT_B = (1 << 2),
OPT_D = (1 << 3),
OPT_M = (1 << 4),
OPT_U = (1 << 5),
OPT_P = (1 << 6)
};
int options = 0;
const char *const *dirpath;
const char *dirpath2[] = { 0, 0 };
struct lk_ctx *ctx;
lk_flags flags = 0;
int c, i, rc = -1;
int fd = -1;
int kbd_mode;
int kd_mode;
char *console = NULL;
char *ev;
struct kbdfile_ctx *fctx;
struct kbdfile *fp = NULL;
set_progname(argv[0]);
setuplocale();
ctx = lk_init();
if (!ctx) {
exit(EXIT_FAILURE);
}
if ((fctx = kbdfile_context_new()) == NULL)
nomem();
while ((c = getopt_long(argc, argv, short_opts, long_opts, NULL)) != -1) {
switch (c) {
case 'a':
options |= OPT_A;
break;
case 'b':
options |= OPT_B;
break;
case 'c':
flags |= LK_FLAG_CLEAR_COMPOSE;
break;
case 'C':
console = optarg;
break;
case 'd':
options |= OPT_D;
break;
case 'm':
options |= OPT_M;
break;
case 'p':
options |= OPT_P;
break;
case 's':
flags |= LK_FLAG_CLEAR_STRINGS;
break;
case 'u':
options |= OPT_U;
flags |= LK_FLAG_UNICODE_MODE;
flags |= LK_FLAG_PREFER_UNICODE;
break;
case 'q':
lk_set_log_priority(ctx, LOG_ERR);
break;
case 'v':
lk_set_log_priority(ctx, LOG_INFO);
break;
case 'V':
print_version_and_exit();
break;
case 'h':
usage(EXIT_SUCCESS);
break;
case '?':
usage(EX_USAGE);
break;
}
}
if ((options & OPT_U) && (options & OPT_A)) {
fprintf(stderr,
_("%s: Options --unicode and --ascii are mutually exclusive\n"),
get_progname());
exit(EXIT_FAILURE);
}
if (!(options & OPT_M) && !(options & OPT_B)) {
/* get console */
if ((fd = getfd(console)) < 0)
kbd_error(EXIT_FAILURE, 0, _("Couldn't get a file descriptor referring to the console"));
/* check whether the keyboard is in Unicode mode */
if (ioctl(fd, KDGKBMODE, &kbd_mode) ||
ioctl(fd, KDGETMODE, &kd_mode)) {
fprintf(stderr, _("%s: error reading keyboard mode: %m\n"),
get_progname());
exit(EXIT_FAILURE);
}
if (kbd_mode == K_UNICODE) {
if (options & OPT_A) {
fprintf(stderr,
_("%s: warning: loading non-Unicode keymap on Unicode console\n"
" (perhaps you want to do `kbd_mode -a'?)\n"),
get_progname());
} else {
flags |= LK_FLAG_PREFER_UNICODE;
}
/* reset -u option if keyboard is in K_UNICODE anyway */
flags ^= LK_FLAG_UNICODE_MODE;
} else if (options & OPT_U && kd_mode != KD_GRAPHICS) {
fprintf(stderr,
_("%s: warning: loading Unicode keymap on non-Unicode console\n"
" (perhaps you want to do `kbd_mode -u'?)\n"),
get_progname());
}
}
lk_set_parser_flags(ctx, flags);
dirpath = dirpath1;
if ((ev = getenv("LOADKEYS_KEYMAP_PATH")) != NULL) {
dirpath2[0] = ev;
dirpath = dirpath2;
}
if (options & OPT_D) {
if ((fp = kbdfile_new(fctx)) == NULL)
nomem();
/* first read default map - search starts in . */
if (kbdfile_find((char *) DEFMAP, dirpath, suffixes, fp)) {
fprintf(stderr, _("Cannot find %s\n"), DEFMAP);
exit(EXIT_FAILURE);
}
rc = lk_parse_keymap(ctx, fp);
kbdfile_free(fp);
if (rc == -1)
goto fail;
} else if (optind == argc) {
if ((fp = kbdfile_new(fctx)) == NULL)
nomem();
kbdfile_set_file(fp, stdin);
kbdfile_set_pathname(fp, "<stdin>");
rc = lk_parse_keymap(ctx, fp);
kbdfile_free(fp);
if (rc == -1)
goto fail;
}
for (i = optind; argv[i]; i++) {
if ((fp = kbdfile_new(fctx)) == NULL)
nomem();
if (!strcmp(argv[i], "-")) {
kbdfile_set_file(fp, stdin);
kbdfile_set_pathname(fp, "<stdin>");
} else if (kbdfile_find(argv[i], dirpath, suffixes, fp)) {
fprintf(stderr, _("cannot open file %s\n"), argv[i]);
goto fail;
}
rc = lk_parse_keymap(ctx, fp);
kbdfile_free(fp);
if (rc == -1)
goto fail;
}
if (!(options & OPT_P)) {
if (options & OPT_B) {
rc = lk_dump_bkeymap(ctx, stdout);
} else if (options & OPT_M) {
rc = lk_dump_ctable(ctx, stdout);
} else {
rc = lk_load_keymap(ctx, fd, kbd_mode);
}
}
fail:
lk_free(ctx);
kbdfile_context_free(fctx);
if (fd >= 0)
close(fd);
if (rc < 0)
exit(EXIT_FAILURE);
exit(EXIT_SUCCESS);
}
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