usr.sbin/kbdmap/kbdmap.c

   1 /*-
   2  * Copyright (c) 2002 Jonathan Belson <jon@witchspace.com>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  *
  26  * $FreeBSD: head/usr.sbin/kbdmap/kbdmap.c 237257 2012-06-19 06:10:31Z eadler $
  27  */
  28
  29 #include <sys/types.h>
  30 #include <sys/queue.h>
  31
  32 #include <assert.h>
  33 #include <ctype.h>
  34 #include <dirent.h>
  35 #include <limits.h>
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include <stringlist.h>
  40 #include <unistd.h>
  41
  42 #include "kbdmap.h"
  43
  44
  45 static const char *lang_default = DEFAULT_LANG;
  46 static const char *font;
  47 static const char *lang;
  48 static const char *program;
  49 static const char *keymapdir = DEFAULT_KEYMAP_DIR;
  50 static const char *fontdir = DEFAULT_FONT_DIR;
  51 static const char *sysconfig = DEFAULT_SYSCONFIG;
  52 static const char *font_default = DEFAULT_FONT;
  53 static const char *font_current;
  54 static const char *dir;
  55 static const char *menu = "";
  56
  57 static int x11;
  58 static int show;
  59 static int verbose;
  60 static int print;
  61
  62
  63 struct keymap {
  64         char    *desc;
  65         char    *keym;
  66         int     mark;
  67         SLIST_ENTRY(keymap) entries;
  68 };
  69 static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
  70
  71
  72 /*
  73  * Get keymap entry for 'key', or NULL of not found
  74  */
  75 static struct keymap *
  76 get_keymap(const char *key)
  77 {
  78         struct keymap *km;
  79
  80         SLIST_FOREACH(km, &head, entries)
  81                 if (!strcmp(km->keym, key))
  82                         return km;
  83
  84         return NULL;
  85 }
  86
  87 /*
  88  * Count the number of keymaps we found
  89  */
  90 static int
  91 get_num_keymaps(void)
  92 {
  93         struct keymap *km;
  94         int count = 0;
  95
  96         SLIST_FOREACH(km, &head, entries)
  97                 count++;
  98
  99         return count;
 100 }
 101
 102 /*
 103  * Remove any keymap with given keym
 104  */
 105 static void
 106 remove_keymap(const char *keym)
 107 {
 108         struct keymap *km;
 109
 110         SLIST_FOREACH(km, &head, entries) {
 111                 if (!strcmp(keym, km->keym)) {
 112                         SLIST_REMOVE(&head, km, keymap, entries);
 113                         free(km);
 114                         break;
 115                 }
 116         }
 117 }
 118
 119 /*
 120  * Add to hash with 'key'
 121  */
 122 static void
 123 add_keymap(const char *desc, int mark, const char *keym)
 124 {
 125         struct keymap *km, *km_new;
 126
 127         /* Is there already an entry with this key? */
 128         SLIST_FOREACH(km, &head, entries) {
 129                 if (!strcmp(km->keym, keym)) {
 130                         /* Reuse this entry */
 131                         free(km->desc);
 132                         km->desc = strdup(desc);
 133                         km->mark = mark;
 134                         return;
 135                 }
 136         }
 137
 138         km_new = (struct keymap *) malloc (sizeof(struct keymap));
 139         km_new->desc = strdup(desc);
 140         km_new->keym = strdup(keym);
 141         km_new->mark = mark;
 142
 143         /* Add to keymap list */
 144         SLIST_INSERT_HEAD(&head, km_new, entries);
 145 }
 146
 147 /*
 148  * Figure out the default language to use.
 149  */
 150 static const char *
 151 get_locale(void)
 152 {
 153         const char *locale;
 154
 155         if ((locale = getenv("LC_ALL")) == NULL &&
 156             (locale = getenv("LC_CTYPE")) == NULL &&
 157             (locale = getenv("LANG")) == NULL)
 158                 locale = lang_default;
 159
 160         /* Check for alias */
 161         if (!strcmp(locale, "C"))
 162                 locale = DEFAULT_LANG;
 163
 164         return locale;
 165 }
 166
 167 /*
 168  * Extract filename part
 169  */
 170 static const char *
 171 extract_name(const char *name)
 172 {
 173         char *p;
 174
 175         p = strrchr(name, '/');
 176         if (p != NULL && p[1] != '\0')
 177                 return p + 1;
 178
 179         return name;
 180 }
 181
 182 /*
 183  * Return file extension or NULL
 184  */
 185 static char *
 186 get_extension(const char *name)
 187 {
 188         char *p;
 189
 190         p = strrchr(name, '.');
 191
 192         if (p != NULL && p[1] != '\0')
 193                 return p;
 194
 195         return NULL;
 196 }
 197
 198 /*
 199  * Read font from /etc/rc.conf else return default.
 200  * Freeing the memory is the caller's responsibility.
 201  */
 202 static char *
 203 get_font(void)
 204 {
 205         char line[256], buf[20];
 206         char *fnt = NULL;
 207
 208         FILE *fp = fopen(sysconfig, "r");
 209         if (fp) {
 210                 while (fgets(line, sizeof(line), fp)) {
 211                         int a, b, matches;
 212
 213                         if (line[0] == '#')
 214                                 continue;
 215
 216                         matches = sscanf(line,
 217                             " font%dx%d = \"%20[-.0-9a-zA-Z_]",
 218                             &a, &b, buf);
 219                         if (matches==3) {
 220                                 if (strcmp(buf, "NO")) {
 221                                         if (fnt)
 222                                                 free(fnt);
 223                                         fnt = (char *) malloc(strlen(buf) + 1);
 224                                         strcpy(fnt, buf);
 225                                 }
 226                         }
 227                 }
 228                 fclose(fp);
 229         } else
 230                 fprintf(stderr, "Could not open %s for reading\n", sysconfig);
 231
 232         return fnt;
 233 }
 234
 235 /*
 236  * Set a font using 'vidcontrol'
 237  */
 238 static void
 239 vidcontrol(const char *fnt)
 240 {
 241         char *tmp, *p, *q;
 242         char ch;
 243         int i;
 244
 245         /* syscons test failed */
 246         if (x11)
 247                 return;
 248
 249         tmp = strdup(fnt);
 250
 251         /* Extract font size */
 252         p = strrchr(tmp, '-');
 253         if (p && p[1] != '\0') {
 254                 p++;
 255                 /* Remove any '.fnt' extension */
 256                 if ((q = strstr(p, ".fnt")))
 257                         *q = '\0';
 258
 259                 /*
 260                  * Check font size is valid, with no trailing characters
 261                  *  ('&ch' should not be matched)
 262                  */
 263                 if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
 264                         fprintf(stderr, "Which font size? %s\n", fnt);
 265                 else {
 266                         char *cmd;
 267                         asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
 268                         if (verbose)
 269                                 fprintf(stderr, "%s\n", cmd);
 270                         system(cmd);
 271                         free(cmd);
 272                 }
 273         } else
 274                 fprintf(stderr, "Which font size? %s\n", fnt);
 275
 276         free(tmp);
 277 }
 278
 279 /*
 280  * Execute 'kbdcontrol' with the appropriate arguments
 281  */
 282 static void
 283 do_kbdcontrol(struct keymap *km)
 284 {
 285         char *kbd_cmd;
 286         asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
 287
 288         if (!x11)
 289                 system(kbd_cmd);
 290
 291         fprintf(stderr, "keymap=\"%s\"\n", km->keym);
 292         free(kbd_cmd);
 293 }
 294
 295 /*
 296  * Call 'vidcontrol' with the appropriate arguments
 297  */
 298 static void
 299 do_vidfont(struct keymap *km)
 300 {
 301         char *vid_cmd, *tmp, *p, *q;
 302
 303         asprintf(&vid_cmd, "%s/%s", dir, km->keym);
 304         vidcontrol(vid_cmd);
 305         free(vid_cmd);
 306
 307         tmp = strdup(km->keym);
 308         p = strrchr(tmp, '-');
 309         if (p && p[1]!='\0') {
 310                 p++;
 311                 q = get_extension(p);
 312                 if (q) {
 313                         *q = '\0';
 314                         printf("font%s=%s\n", p, km->keym);
 315                 }
 316         }
 317         free(tmp);
 318 }
 319
 320 /*
 321  * Display dialog from 'keymaps[]'
 322  */
 323 static void
 324 show_dialog(struct keymap **km_sorted, int num_keymaps)
 325 {
 326         FILE *fp;
 327         char *cmd, *dialog;
 328         char tmp_name[] = "/tmp/_kbd_lang.XXXX";
 329         int fd, i, size;
 330
 331         fd = mkstemp(tmp_name);
 332         if (fd == -1) {
 333                 fprintf(stderr, "Could not open temporary file \"%s\"\n",
 334                     tmp_name);
 335                 exit(1);
 336         }
 337         asprintf(&dialog, "/usr/bin/dialog --clear --title \"Keyboard Menu\" "
 338                           "--menu \"%s\" 0 0 0", menu);
 339
 340         /* start right font, assume that current font is equal
 341          * to default font in /etc/rc.conf
 342          *
 343          * $font is the font which require the language $lang; e.g.
 344          * russian *need* a koi8 font
 345          * $font_current is the current font from /etc/rc.conf
 346          */
 347         if (font && strcmp(font, font_current))
 348                 vidcontrol(font);
 349
 350         /* Build up the command */
 351         size = 0;
 352         for (i=0; i<num_keymaps; i++) {
 353                 /*
 354                  * Each 'font' is passed as ' "font" ""', so allow the
 355                  * extra space
 356                  */
 357                 size += strlen(km_sorted[i]->desc) + 6;
 358         }
 359
 360         /* Allow the space for '2> tmpfilename' redirection */
 361         size += strlen(tmp_name) + 3;
 362
 363         cmd = (char *) malloc(strlen(dialog) + size + 1);
 364         strcpy(cmd, dialog);
 365
 366         for (i=0; i<num_keymaps; i++) {
 367                 strcat(cmd, " \"");
 368                 strcat(cmd, km_sorted[i]->desc);
 369                 strcat(cmd, "\"");
 370                 strcat(cmd, " \"\"");
 371         }
 372
 373         strcat(cmd, " 2>");
 374         strcat(cmd, tmp_name);
 375
 376         /* Show the dialog.. */
 377         system(cmd);
 378
 379         fp = fopen(tmp_name, "r");
 380         if (fp) {
 381                 char choice[64];
 382                 if (fgets(choice, sizeof(choice), fp) != NULL) {
 383                         /* Find key for desc */
 384                         for (i=0; i<num_keymaps; i++) {
 385                                 if (!strcmp(choice, km_sorted[i]->desc)) {
 386                                         if (!strcmp(program, "kbdmap"))
 387                                                 do_kbdcontrol(km_sorted[i]);
 388                                         else
 389                                                 do_vidfont(km_sorted[i]);
 390                                         break;
 391                                 }
 392                         }
 393                 } else {
 394                         if (font != NULL && strcmp(font, font_current))
 395                                 /* Cancelled, restore old font */
 396                                 vidcontrol(font_current);
 397                 }
 398                 fclose(fp);
 399         } else
 400                 fprintf(stderr, "Failed to open temporary file");
 401
 402         /* Tidy up */
 403         remove(tmp_name);
 404         free(cmd);
 405         free(dialog);
 406         close(fd);
 407 }
 408
 409 /*
 410  * Search for 'token' in comma delimited array 'buffer'.
 411  * Return true for found, false for not found.
 412  */
 413 static int
 414 find_token(const char *buffer, const char *token)
 415 {
 416         char *buffer_tmp, *buffer_copy, *inputstring;
 417         char **ap;
 418         int found;
 419
 420         buffer_copy = strdup(buffer);
 421         buffer_tmp = buffer_copy;
 422         inputstring = buffer_copy;
 423         ap = &buffer_tmp;
 424
 425         found = 0;
 426
 427         while ((*ap = strsep(&inputstring, ",")) != NULL) {
 428                 if (strcmp(buffer_tmp, token) == 0) {
 429                         found = 1;
 430                         break;
 431                 }
 432         }
 433
 434         free(buffer_copy);
 435
 436         return found;
 437 }
 438
 439 /*
 440  * Compare function for qsort
 441  */
 442 static int
 443 compare_keymap(const void *a, const void *b)
 444 {
 445
 446         /* We've been passed pointers to pointers, so: */
 447         const struct keymap *km1 = *((const struct keymap * const *) a);
 448         const struct keymap *km2 = *((const struct keymap * const *) b);
 449
 450         return strcmp(km1->desc, km2->desc);
 451 }
 452
 453 /*
 454  * Compare function for qsort
 455  */
 456 static int
 457 compare_lang(const void *a, const void *b)
 458 {
 459         const char *l1 = *((const char * const *) a);
 460         const char *l2 = *((const char * const *) b);
 461
 462         return strcmp(l1, l2);
 463 }
 464
 465 /*
 466  * Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
 467  */
 468 static void
 469 kludge_desc(struct keymap **km_sorted, int num_keymaps)
 470 {
 471         int i;
 472
 473         for (i=0; i<num_keymaps; i++) {
 474                 char *p;
 475                 char *km = km_sorted[i]->desc;
 476                 if ((p = strstr(km, "8x8")) != NULL) {
 477                         int len;
 478                         int j;
 479                         int offset;
 480
 481                         offset = p - km;
 482
 483                         /* Make enough space for the extra '0' */
 484                         len = strlen(km);
 485                         km = realloc(km, len + 2);
 486
 487                         for (j=len; j!=offset+1; j--)
 488                                 km[j + 1] = km[j];
 489
 490                         km[offset+2] = '0';
 491
 492                         km_sorted[i]->desc = km;
 493                 }
 494         }
 495 }
 496
 497 /*
 498  * Reverse 'kludge_desc()' - change '8x08' back to '8x8'
 499  */
 500 static void
 501 unkludge_desc(struct keymap **km_sorted, int num_keymaps)
 502 {
 503         int i;
 504
 505         for (i=0; i<num_keymaps; i++) {
 506                 char *p;
 507                 char *km = km_sorted[i]->desc;
 508                 if ((p = strstr(km, "8x08")) != NULL) {
 509                         p += 2;
 510                         while (*p++)
 511                                 p[-1] = p[0];
 512
 513                         km = realloc(km, p - km - 1);
 514                         km_sorted[i]->desc = km;
 515                 }
 516         }
 517 }
 518
 519 /*
 520  * Return 0 if file exists and is readable, else -1
 521  */
 522 static int
 523 check_file(const char *keym)
 524 {
 525         int status = 0;
 526
 527         if (access(keym, R_OK) == -1) {
 528                 char *fn;
 529                 asprintf(&fn, "%s/%s", dir, keym);
 530                 if (access(fn, R_OK) == -1) {
 531                         if (verbose)
 532                                 fprintf(stderr, "%s not found!\n", fn);
 533                         status = -1;
 534                 }
 535                 free(fn);
 536         } else {
 537                 if (verbose)
 538                         fprintf(stderr, "No read permission for %s!\n", keym);
 539                 status = -1;
 540         }
 541
 542         return status;
 543 }
 544
 545 /*
 546  * Read options from the relevant configuration file, then
 547  *  present to user.
 548  */
 549 static void
 550 menu_read(void)
 551 {
 552         const char *lg;
 553         char *p;
 554         int mark, num_keymaps, items, i;
 555         char buffer[256], filename[PATH_MAX];
 556         char keym[64], lng[64], desc[64];
 557         char dialect[64], lang_abk[64];
 558         struct keymap *km;
 559         struct keymap **km_sorted;
 560         struct dirent *dp;
 561         StringList *lang_list;
 562         FILE *fp;
 563         DIR *dirp;
 564
 565         lang_list = sl_init();
 566
 567         sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
 568
 569         /* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
 570         strlcpy(dialect, lang, sizeof(dialect));
 571         if (strlen(dialect) >= 6 && dialect[2] == '_') {
 572                 dialect[3] = '.';
 573                 dialect[4] = '.';
 574         }
 575
 576
 577         /* en_US.ISO8859-1 -> en */
 578         strlcpy(lang_abk, lang, sizeof(lang_abk));
 579         if (strlen(lang_abk) >= 3 && lang_abk[2] == '_')
 580                 lang_abk[2] = '\0';
 581
 582         fprintf(stderr, "lang_default = %s\n", lang_default);
 583         fprintf(stderr, "dialect = %s\n", dialect);
 584         fprintf(stderr, "lang_abk = %s\n", lang_abk);
 585
 586         fp = fopen(filename, "r");
 587         if (fp) {
 588                 int matches;
 589                 while (fgets(buffer, sizeof(buffer), fp)) {
 590                         p = buffer;
 591                         if (p[0] == '#')
 592                                 continue;
 593
 594                         while (isspace(*p))
 595                                 p++;
 596
 597                         if (*p == '\0')
 598                                 continue;
 599
 600                         /* Parse input, removing newline */
 601                         matches = sscanf(p, "%64[^:]:%64[^:]:%64[^:\n]",
 602                             keym, lng, desc);
 603                         if (matches == 3) {
 604                                 if (strcmp(keym, "FONT")
 605                                     && strcmp(keym, "MENU")) {
 606                                         /* Check file exists & is readable */
 607                                         if (check_file(keym) == -1)
 608                                                 continue;
 609                                 }
 610                         }
 611
 612                         if (show) {
 613                                 /*
 614                                  * Take note of supported languages, which
 615                                  * might be in a comma-delimited list
 616                                  */
 617                                 char *tmp = strdup(lng);
 618                                 char *delim = tmp;
 619
 620                                 for (delim = tmp; ; ) {
 621                                         char ch = *delim++;
 622                                         if (ch == ',' || ch == '\0') {
 623                                                 delim[-1] = '\0';
 624                                                 if (!sl_find(lang_list, tmp))
 625                                                         sl_add(lang_list, tmp);
 626                                                 if (ch == '\0')
 627                                                         break;
 628                                                 tmp = delim;
 629                                         }
 630                                 }
 631                         }
 632                         /* Set empty language to default language */
 633                         if (lng[0] == '\0')
 634                                 lg = lang_default;
 635                         else
 636                                 lg = lng;
 637
 638
 639                         /* 4) Your choice if it exists
 640                          * 3) Long match eg. en_GB.ISO8859-1 is equal to
 641                          *      en_..\.ISO8859-1
 642                          * 2) short match 'de'
 643                          * 1) default langlist 'en'
 644                          * 0) any language
 645                          *
 646                          * Language may be a comma separated list
 647                          * A higher match overwrites a lower
 648                          * A later entry overwrites a previous if it exists
 649                          *     twice in the database
 650                          */
 651
 652                         /* Check for favoured language */
 653                         km = get_keymap(keym);
 654                         mark = (km) ? km->mark : 0;
 655
 656                         if (find_token(lg, lang))
 657                                 add_keymap(desc, 4, keym);
 658                         else if (mark <= 3 && find_token(lg, dialect))
 659                                 add_keymap(desc, 3, keym);
 660                         else if (mark <= 2 && find_token(lg, lang_abk))
 661                                 add_keymap(desc, 2, keym);
 662                         else if (mark <= 1 && find_token(lg, lang_default))
 663                                 add_keymap(desc, 1, keym);
 664                         else if (mark <= 0)
 665                                 add_keymap(desc, 0, keym);
 666                 }
 667                 fclose(fp);
 668
 669         } else
 670                 printf("Could not open file\n");
 671
 672         if (show) {
 673                 qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
 674                     compare_lang);
 675                 printf("Currently supported languages: ");
 676                 for (i=0; i< (int) lang_list->sl_cur; i++)
 677                         printf("%s ", lang_list->sl_str[i]);
 678                 puts("");
 679                 exit(0);
 680         }
 681
 682         km = get_keymap("MENU");
 683         if (km)
 684                 /* Take note of menu title */
 685                 menu = strdup(km->desc);
 686         km = get_keymap("FONT");
 687         if (km)
 688                 /* Take note of language font */
 689                 font = strdup(km->desc);
 690
 691         /* Remove unwanted items from list */
 692         remove_keymap("MENU");
 693         remove_keymap("FONT");
 694
 695         /* Look for keymaps not in database */
 696         dirp = opendir(dir);
 697         if (dirp) {
 698                 while ((dp = readdir(dirp)) != NULL) {
 699                         const char *ext = get_extension(dp->d_name);
 700                         if (ext) {
 701                                 if ((!strcmp(ext, ".fnt") ||
 702                                     !strcmp(ext, ".kbd")) &&
 703                                     !get_keymap(dp->d_name)) {
 704                                         char *q;
 705
 706                                         /* Remove any .fnt or .kbd extension */
 707                                         q = strdup(dp->d_name);
 708                                         *(get_extension(q)) = '\0';
 709                                         add_keymap(q, 0, dp->d_name);
 710                                         free(q);
 711
 712                                         if (verbose)
 713                                                 fprintf(stderr,
 714                                                     "'%s' not in database\n",
 715                                                     dp->d_name);
 716                                 }
 717                         }
 718                 }
 719                 closedir(dirp);
 720         } else
 721                 fprintf(stderr, "Could not open directory '%s'\n", dir);
 722
 723         /* Sort items in keymap */
 724         num_keymaps = get_num_keymaps();
 725
 726         km_sorted = (struct keymap **)
 727             malloc(num_keymaps*sizeof(struct keymap *));
 728
 729         /* Make array of pointers to items in hash */
 730         items = 0;
 731         SLIST_FOREACH(km, &head, entries)
 732                 km_sorted[items++] = km;
 733
 734         /* Change '8x8' to '8x08' so sort works as we might expect... */
 735         kludge_desc(km_sorted, num_keymaps);
 736
 737         qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
 738
 739         /* ...change back again */
 740         unkludge_desc(km_sorted, num_keymaps);
 741
 742         if (print) {
 743                 for (i=0; i<num_keymaps; i++)
 744                         printf("%s\n", km_sorted[i]->desc);
 745                 exit(0);
 746         }
 747
 748         show_dialog(km_sorted, num_keymaps);
 749
 750         free(km_sorted);
 751 }
 752
 753 /*
 754  * Display usage information and exit
 755  */
 756 static void
 757 usage(void)
 758 {
 759
 760         fprintf(stderr, "usage: %s\t[-K] [-V] [-d|-default] [-h|-help] "
 761             "[-l|-lang language]\n\t\t[-p|-print] [-r|-restore] [-s|-show] "
 762             "[-v|-verbose]\n", program);
 763         exit(1);
 764 }
 765
 766 static void
 767 parse_args(int argc, char **argv)
 768 {
 769         int i;
 770
 771         for (i=1; i<argc; i++) {
 772                 if (argv[i][0] != '-')
 773                         usage();
 774                 else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
 775                         usage();
 776                 else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
 777                         verbose = 1;
 778                 else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
 779                         if (i + 1 == argc)
 780                                 usage();
 781                         else
 782                                 lang = argv[++i];
 783                 else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
 784                         lang = lang_default;
 785                 else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
 786                         show = 1;
 787                 else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
 788                         print = 1;
 789                 else if (!strcmp(argv[i], "-restore") ||
 790                     !strcmp(argv[i], "-r")) {
 791                         vidcontrol(font_current);
 792                         exit(0);
 793                 } else if (!strcmp(argv[i], "-K"))
 794                         dir = keymapdir;
 795                 else if (!strcmp(argv[i], "-V"))
 796                         dir = fontdir;
 797                 else
 798                         usage();
 799         }
 800 }
 801
 802 /*
 803  * A front-end for the 'vidfont' and 'kbdmap' programs.
 804  */
 805 int
 806 main(int argc, char **argv)
 807 {
 808
 809         x11 = system("kbdcontrol -d >/dev/null");
 810
 811         if (x11) {
 812                 fprintf(stderr, "You are not on a virtual console - "
 813                                 "expect certain strange side-effects\n");
 814                 sleep(2);
 815         }
 816
 817         SLIST_INIT(&head);
 818
 819         lang = get_locale();
 820
 821         program = extract_name(argv[0]);
 822
 823         font_current = get_font();
 824         if (font_current == NULL)
 825                 font_current = font_default;
 826
 827         if (strcmp(program, "kbdmap"))
 828                 dir = fontdir;
 829         else
 830                 dir = keymapdir;
 831
 832         /* Parse command line arguments */
 833         parse_args(argc, argv);
 834
 835         /* Read and display options */
 836         menu_read();
 837
 838         return 0;
 839 }