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: src/usr.sbin/kbdmap/kbdmap.c,v 1.2 2002/10/27 17:44:33 wollman Exp $
  27  * $DragonFly: src/usr.sbin/kbdmap/kbdmap.c,v 1.1 2004/06/21 01:37:42 cpressey Exp $
  28  */
  29
  30 #include <sys/cdefs.h>
  31 #include <sys/types.h>
  32 #include <sys/queue.h>
  33
  34 #include <assert.h>
  35 #include <ctype.h>
  36 #include <dirent.h>
  37 #include <limits.h>
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <stringlist.h>
  42 #include <unistd.h>
  43
  44 #include "kbdmap.h"
  45
  46
  47 static const char *lang_default = DEFAULT_LANG;
  48 static const char *font;
  49 static const char *lang;
  50 static const char *program;
  51 static const char *keymapdir = DEFAULT_KEYMAP_DIR;
  52 static const char *fontdir = DEFAULT_FONT_DIR;
  53 static const char *sysconfig = DEFAULT_SYSCONFIG;
  54 static const char *font_default = DEFAULT_FONT;
  55 static const char *font_current;
  56 static const char *dir;
  57 static const char *menu = "";
  58
  59 static int x11;
  60 static int show;
  61 static int verbose;
  62 static int print;
  63
  64
  65 struct keymap {
  66         char    *desc;
  67         char    *keym;
  68         int     mark;
  69         SLIST_ENTRY(keymap) entries;
  70 };
  71 static SLIST_HEAD(slisthead, keymap) head = SLIST_HEAD_INITIALIZER(head);
  72
  73
  74 /*
  75  * Get keymap entry for 'key', or NULL of not found
  76  */
  77 static struct keymap *
  78 get_keymap(const char *key)
  79 {
  80         struct keymap *km;
  81
  82         SLIST_FOREACH(km, &head, entries)
  83                 if (!strcmp(km->keym, key))
  84                         return km;
  85
  86         return NULL;
  87 }
  88
  89 /*
  90  * Count the number of keymaps we found
  91  */
  92 static int
  93 get_num_keymaps(void)
  94 {
  95         struct keymap *km;
  96         int count = 0;
  97
  98         SLIST_FOREACH(km, &head, entries)
  99                 count++;
 100
 101         return count;
 102 }
 103
 104 /*
 105  * Remove any keymap with given keym
 106  */
 107 static void
 108 remove_keymap(const char *keym)
 109 {
 110         struct keymap *km;
 111
 112         SLIST_FOREACH(km, &head, entries) {
 113                 if (!strcmp(keym, km->keym)) {
 114                         SLIST_REMOVE(&head, km, keymap, entries);
 115                         free(km);
 116                         break;
 117                 }
 118         }
 119 }
 120
 121 /*
 122  * Add to hash with 'key'
 123  */
 124 static void
 125 add_keymap(const char *desc, int mark, const char *keym)
 126 {
 127         struct keymap *km, *km_new;
 128
 129         /* Is there already an entry with this key? */
 130         SLIST_FOREACH(km, &head, entries) {
 131                 if (!strcmp(km->keym, keym)) {
 132                         /* Reuse this entry */
 133                         free(km->desc);
 134                         km->desc = strdup(desc);
 135                         km->mark = mark;
 136                         return;
 137                 }
 138         }
 139
 140         km_new = (struct keymap *) malloc (sizeof(struct keymap));
 141         km_new->desc = strdup(desc);
 142         km_new->keym = strdup(keym);
 143         km_new->mark = mark;
 144
 145         /* Add to keymap list */
 146         SLIST_INSERT_HEAD(&head, km_new, entries);
 147 }
 148
 149 /*
 150  * Figure out the default language to use.
 151  */
 152 static const char *
 153 get_locale(void)
 154 {
 155         const char *locale;
 156
 157         if ((locale = getenv("LC_ALL")) == NULL &&
 158             (locale = getenv("LC_CTYPE")) == NULL &&
 159             (locale = getenv("LANG")) == NULL)
 160                 locale = lang_default;
 161
 162         /* Check for alias */
 163         if (!strcmp(locale, "C"))
 164                 locale = DEFAULT_LANG;
 165
 166         return locale;
 167 }
 168
 169 /*
 170  * Extract filename part
 171  */
 172 static const char *
 173 extract_name(const char *name)
 174 {
 175         char *p;
 176
 177         p = strrchr(name, '/');
 178         if (p != NULL && p[1] != '\0')
 179                 return p + 1;
 180
 181         return name;
 182 }
 183
 184 /*
 185  * Return file extension or NULL
 186  */
 187 static char *
 188 get_extension(const char *name)
 189 {
 190         char *p;
 191
 192         p = strrchr(name, '.');
 193
 194         if (p != NULL && p[1] != '\0')
 195                 return p;
 196
 197         return NULL;
 198 }
 199
 200 /*
 201  * Read font from /etc/rc.conf else return default.
 202  * Freeing the memory is the caller's responsibility.
 203  */
 204 static char *
 205 get_font(void)
 206 {
 207         char line[256], buf[20];
 208         char *fnt = NULL;
 209
 210         FILE *fp = fopen(sysconfig, "r");
 211         if (fp) {
 212                 while (fgets(line, sizeof(line), fp)) {
 213                         int a, b, matches;
 214
 215                         if (line[0] == '#')
 216                                 continue;
 217
 218                         matches = sscanf(line,
 219                             " font%dx%d = \"%20[-.0-9a-zA-Z_]",
 220                             &a, &b, buf);
 221                         if (matches==3) {
 222                                 if (strcmp(buf, "NO")) {
 223                                         if (fnt)
 224                                                 free(fnt);
 225                                         fnt = (char *) malloc(strlen(buf) + 1);
 226                                         strcpy(fnt, buf);
 227                                 }
 228                         }
 229                 }
 230         } else
 231                 fprintf(stderr, "Could not open %s for reading\n", sysconfig);
 232
 233         return fnt;
 234 }
 235
 236 /*
 237  * Set a font using 'vidcontrol'
 238  */
 239 static void
 240 vidcontrol(const char *fnt)
 241 {
 242         char *tmp, *p, *q;
 243         char ch;
 244         int i;
 245
 246         /* syscons test failed */
 247         if (x11)
 248                 return;
 249
 250         tmp = strdup(fnt);
 251
 252         /* Extract font size */
 253         p = strrchr(tmp, '-');
 254         if (p && p[1] != '\0') {
 255                 p++;
 256                 /* Remove any '.fnt' extension */
 257                 if ((q = strstr(p, ".fnt")))
 258                         *q = '\0';
 259
 260                 /*
 261                  * Check font size is valid, with no trailing characters
 262                  *  ('&ch' should not be matched)
 263                  */
 264                 if (sscanf(p, "%dx%d%c", &i, &i, &ch) != 2)
 265                         fprintf(stderr, "Which font size? %s\n", fnt);
 266                 else {
 267                         char *cmd;
 268                         asprintf(&cmd, "vidcontrol -f %s %s", p, fnt);
 269                         if (verbose)
 270                                 fprintf(stderr, "%s\n", cmd);
 271                         system(cmd);
 272                         free(cmd);
 273                 }
 274         } else
 275                 fprintf(stderr, "Which font size? %s\n", fnt);
 276
 277         free(tmp);
 278 }
 279
 280 /*
 281  * Execute 'kbdcontrol' with the appropriate arguments
 282  */
 283 static void
 284 do_kbdcontrol(struct keymap *km)
 285 {
 286         char *kbd_cmd;
 287         asprintf(&kbd_cmd, "kbdcontrol -l %s/%s", dir, km->keym);
 288
 289         if (!x11)
 290                 system(kbd_cmd);
 291
 292         printf("keymap=%s\n", km->keym);
 293         free(kbd_cmd);
 294 }
 295
 296 /*
 297  * Call 'vidcontrol' with the appropriate arguments
 298  */
 299 static void
 300 do_vidfont(struct keymap *km)
 301 {
 302         char *vid_cmd, *tmp, *p, *q;
 303
 304         asprintf(&vid_cmd, "%s/%s", dir, km->keym);
 305         vidcontrol(vid_cmd);
 306         free(vid_cmd);
 307
 308         tmp = strdup(km->keym);
 309         p = strrchr(tmp, '-');
 310         if (p && p[1]!='\0') {
 311                 p++;
 312                 q = get_extension(p);
 313                 if (q) {
 314                         *q = '\0';
 315                         printf("font%s=%s\n", p, km->keym);
 316                 }
 317         }
 318         free(tmp);
 319 }
 320
 321 /*
 322  * Display dialog from 'keymaps[]'
 323  */
 324 static void
 325 show_dialog(struct keymap **km_sorted, int num_keymaps)
 326 {
 327         FILE *fp;
 328         char *cmd, *dialog;
 329         char tmp_name[] = "/tmp/_kbd_lang.XXXX";
 330         const char *ext;
 331         int fd, i, size;
 332
 333         fd = mkstemp(tmp_name);
 334         if (fd == -1) {
 335                 fprintf(stderr, "Could not open temporary file \"%s\"\n",
 336                     tmp_name);
 337                 exit(1);
 338         }
 339         asprintf(&dialog, "/usr/bin/dialog --clear --title \"Keyboard Menu\" "
 340                           "--menu \"%s\" -1 -1 10", menu);
 341
 342         ext = extract_name(dir);
 343
 344         /* start right font, assume that current font is equal
 345          * to default font in /etc/rc.conf
 346          *
 347          * $font is the font which require the language $lang; e.g.
 348          * russian *need* a koi8 font
 349          * $font_current is the current font from /etc/rc.conf
 350          */
 351         if (font && strcmp(font, font_current))
 352                 vidcontrol(font);
 353
 354         /* Build up the command */
 355         size = 0;
 356         for (i=0; i<num_keymaps; i++) {
 357                 /*
 358                  * Each 'font' is passed as ' "font" ""', so allow the
 359                  * extra space
 360                  */
 361                 size += strlen(km_sorted[i]->desc) + 6;
 362         }
 363
 364         /* Allow the space for '2> tmpfilename' redirection */
 365         size += strlen(tmp_name) + 3;
 366
 367         cmd = (char *) malloc(strlen(dialog) + size + 1);
 368         strcpy(cmd, dialog);
 369
 370         for (i=0; i<num_keymaps; i++) {
 371                 strcat(cmd, " \"");
 372                 strcat(cmd, km_sorted[i]->desc);
 373                 strcat(cmd, "\"");
 374                 strcat(cmd, " \"\"");
 375         }
 376
 377         strcat(cmd, " 2>");
 378         strcat(cmd, tmp_name);
 379
 380         /* Show the dialog.. */
 381         system(cmd);
 382
 383         fp = fopen(tmp_name, "r");
 384         if (fp) {
 385                 char choice[64];
 386                 if (fgets(choice, 64, fp) != NULL) {
 387                         /* Find key for desc */
 388                         for (i=0; i<num_keymaps; i++) {
 389                                 if (!strcmp(choice, km_sorted[i]->desc)) {
 390                                         if (!strcmp(program, "kbdmap"))
 391                                                 do_kbdcontrol(km_sorted[i]);
 392                                         else
 393                                                 do_vidfont(km_sorted[i]);
 394                                         break;
 395                                 }
 396                         }
 397                 } else {
 398                         if (font != NULL && strcmp(font, font_current))
 399                                 /* Cancelled, restore old font */
 400                                 vidcontrol(font_current);
 401                 }
 402                 fclose(fp);
 403         } else
 404                 fprintf(stderr, "Failed to open temporary file");
 405
 406         /* Tidy up */
 407         remove(tmp_name);
 408         free(cmd);
 409         free(dialog);
 410         close(fd);
 411 }
 412
 413 /*
 414  * Search for 'token' in comma delimited array 'buffer'.
 415  * Return true for found, false for not found.
 416  */
 417 static int
 418 find_token(const char *buffer, const char *token)
 419 {
 420         char *buffer_tmp, *buffer_copy, *inputstring;
 421         char **ap;
 422         int found;
 423
 424         buffer_copy = strdup(buffer);
 425         buffer_tmp = buffer_copy;
 426         inputstring = buffer_copy;
 427         ap = &buffer_tmp;
 428
 429         found = 0;
 430
 431         while ((*ap = strsep(&inputstring, ",")) != NULL) {
 432                 if (strcmp(buffer_tmp, token) == 0) {
 433                         found = 1;
 434                         break;
 435                 }
 436         }
 437
 438         free(buffer_copy);
 439
 440         return found;
 441 }
 442
 443 /*
 444  * Compare function for qsort
 445  */
 446 static int
 447 compare_keymap(const void *a, const void *b)
 448 {
 449
 450         /* We've been passed pointers to pointers, so: */
 451         const struct keymap *km1 = *((const struct keymap * const *) a);
 452         const struct keymap *km2 = *((const struct keymap * const *) b);
 453
 454         return strcmp(km1->desc, km2->desc);
 455 }
 456
 457 /*
 458  * Compare function for qsort
 459  */
 460 static int
 461 compare_lang(const void *a, const void *b)
 462 {
 463         const char *l1 = *((const char * const *) a);
 464         const char *l2 = *((const char * const *) b);
 465
 466         return strcmp(l1, l2);
 467 }
 468
 469 /*
 470  * Change '8x8' to '8x08' so qsort will put it before eg. '8x14'
 471  */
 472 static void
 473 kludge_desc(struct keymap **km_sorted, int num_keymaps)
 474 {
 475         int i;
 476
 477         for (i=0; i<num_keymaps; i++) {
 478                 char *p;
 479                 char *km = km_sorted[i]->desc;
 480                 if ((p = strstr(km, "8x8")) != NULL) {
 481                         int len;
 482                         int j;
 483                         int offset;
 484
 485                         offset = p - km;
 486
 487                         /* Make enough space for the extra '0' */
 488                         len = strlen(km);
 489                         km = realloc(km, len + 2);
 490
 491                         for (j=len; j!=offset+1; j--)
 492                                 km[j + 1] = km[j];
 493
 494                         km[offset+2] = '0';
 495
 496                         km_sorted[i]->desc = km;
 497                 }
 498         }
 499 }
 500
 501 /*
 502  * Reverse 'kludge_desc()' - change '8x08' back to '8x8'
 503  */
 504 static void
 505 unkludge_desc(struct keymap **km_sorted, int num_keymaps)
 506 {
 507         int i;
 508
 509         for (i=0; i<num_keymaps; i++) {
 510                 char *p;
 511                 char *km = km_sorted[i]->desc;
 512                 if ((p = strstr(km, "8x08")) != NULL) {
 513                         p += 2;
 514                         while (*p++)
 515                                 p[-1] = p[0];
 516
 517                         km = realloc(km, p - km - 1);
 518                         km_sorted[i]->desc = km;
 519                 }
 520         }
 521 }
 522
 523 /*
 524  * Return 0 if file exists and is readable, else -1
 525  */
 526 static int
 527 check_file(const char *keym)
 528 {
 529         int status = 0;
 530
 531         if (access(keym, R_OK) == -1) {
 532                 char *fn;
 533                 asprintf(&fn, "%s/%s", dir, keym);
 534                 if (access(fn, R_OK) == -1) {
 535                         if (verbose)
 536                                 fprintf(stderr, "%s not found!\n", fn);
 537                         status = -1;
 538                 }
 539                 free(fn);
 540         } else {
 541                 if (verbose)
 542                         fprintf(stderr, "No read permission for %s!\n", keym);
 543                 status = -1;
 544         }
 545
 546         return status;
 547 }
 548
 549 /*
 550  * Read options from the relevent configuration file, then
 551  *  present to user.
 552  */
 553 static void
 554 menu_read(void)
 555 {
 556         const char *lg;
 557         char *p;
 558         int mark, num_keymaps, items, i;
 559         char buffer[256], filename[PATH_MAX];
 560         char keym[64], lng[64], desc[64];
 561         char dialect[64], lang_abk[64];
 562         struct keymap *km;
 563         struct keymap **km_sorted;
 564         struct dirent *dp;
 565         StringList *lang_list;
 566         FILE *fp;
 567         DIR *dirp;
 568
 569         lang_list = sl_init();
 570
 571         sprintf(filename, "%s/INDEX.%s", dir, extract_name(dir));
 572
 573         /* en_US.ISO8859-1 -> en_..\.ISO8859-1 */
 574         strlcpy(dialect, lang, sizeof(dialect));
 575         if (strlen(dialect) >= 6 && dialect[2] == '-') {
 576                 dialect[3] = '.';
 577                 dialect[4] = '.';
 578         }
 579
 580
 581         /* en_US.ISO8859-1 -> en */
 582         strlcpy(lang_abk, lang, sizeof(lang_abk));
 583         if (strlen(lang_abk) >= 3 && lang_abk[2] == '-')
 584                 lang_abk[2] = '.';
 585
 586         fprintf(stderr, "lang_default = %s\n", lang_default);
 587         fprintf(stderr, "dialect = %s\n", dialect);
 588         fprintf(stderr, "lang_abk = %s\n", lang_abk);
 589
 590         fp = fopen(filename, "r");
 591         if (fp) {
 592                 int matches;
 593                 while (fgets(buffer, sizeof(buffer), fp)) {
 594                         p = buffer;
 595                         if (p[0] == '#')
 596                                 continue;
 597
 598                         while (isspace(*p))
 599                                 p++;
 600
 601                         if (*p == '\0')
 602                                 continue;
 603
 604                         /* Parse input, removing newline */
 605                         matches = sscanf(p, "%64[^:]:%64[^:]:%64[^:\n]",
 606                             keym, lng, desc);
 607                         if (matches == 3) {
 608                                 if (strcmp(keym, "FONT")
 609                                     && strcmp(keym, "MENU")) {
 610                                         /* Check file exists & is readable */
 611                                         if (check_file(keym) == -1)
 612                                                 continue;
 613                                 }
 614                         }
 615
 616                         if (show) {
 617                                 /*
 618                                  * Take note of supported languages, which
 619                                  * might be in a comma-delimited list
 620                                  */
 621                                 char *tmp = strdup(lng);
 622                                 char *delim = tmp;
 623
 624                                 for (delim = tmp; ; ) {
 625                                         char ch = *delim++;
 626                                         if (ch == ',' || ch == '\0') {
 627                                                 delim[-1] = '\0';
 628                                                 if (!sl_find(lang_list, tmp))
 629                                                         sl_add(lang_list, tmp);
 630                                                 if (ch == '\0')
 631                                                         break;
 632                                                 tmp = delim;
 633                                         }
 634                                 }
 635                         }
 636                         /* Set empty language to default language */
 637                         if (lng[0] == '\0')
 638                                 lg = lang_default;
 639                         else
 640                                 lg = lng;
 641
 642
 643                         /* 4) Your choice if it exists
 644                          * 3) Long match eg. en_GB.ISO8859-1 is equal to
 645                          *      en_..\.ISO8859-1
 646                          * 2) short match 'de'
 647                          * 1) default langlist 'en'
 648                          * 0) any language
 649                          *
 650                          * Language may be a comma separated list
 651                          * A higher match overwrites a lower
 652                          * A later entry overwrites a previous if it exists
 653                          *     twice in the database
 654                          */
 655
 656                         /* Check for favoured language */
 657                         km = get_keymap(keym);
 658                         mark = (km) ? km->mark : 0;
 659
 660                         if (find_token(lg, lang))
 661                                 add_keymap(desc, 4, keym);
 662                         else if (mark <= 3 && find_token(lg, dialect))
 663                                 add_keymap(desc, 3, keym);
 664                         else if (mark <= 2 && find_token(lg, lang_abk))
 665                                 add_keymap(desc, 2, keym);
 666                         else if (mark <= 1 && find_token(lg, lang_default))
 667                                 add_keymap(desc, 1, keym);
 668                         else if (mark <= 0)
 669                                 add_keymap(desc, 0, keym);
 670                 }
 671                 fclose(fp);
 672
 673         } else
 674                 printf("Could not open file\n");
 675
 676         if (show) {
 677                 qsort(lang_list->sl_str, lang_list->sl_cur, sizeof(char*),
 678                     compare_lang);
 679                 printf("Currently supported languages: ");
 680                 for (i=0; i< (int) lang_list->sl_cur; i++)
 681                         printf("%s ", lang_list->sl_str[i]);
 682                 puts("");
 683                 exit(0);
 684         }
 685
 686         km = get_keymap("MENU");
 687         if (km)
 688                 /* Take note of menu title */
 689                 menu = strdup(km->desc);
 690         km = get_keymap("FONT");
 691         if (km)
 692                 /* Take note of language font */
 693                 font = strdup(km->desc);
 694
 695         /* Remove unwanted items from list */
 696         remove_keymap("MENU");
 697         remove_keymap("FONT");
 698
 699         /* Look for keymaps not in database */
 700         dirp = opendir(dir);
 701         if (dirp) {
 702                 while ((dp = readdir(dirp)) != NULL) {
 703                         const char *ext = get_extension(dp->d_name);
 704                         if (ext) {
 705                                 if ((!strcmp(ext, ".fnt") ||
 706                                     !strcmp(ext, ".kbd")) &&
 707                                     !get_keymap(dp->d_name)) {
 708                                         char *q;
 709
 710                                         /* Remove any .fnt or .kbd extension */
 711                                         q = strdup(dp->d_name);
 712                                         *(get_extension(q)) = '\0';
 713                                         add_keymap(q, 0, dp->d_name);
 714                                         free(q);
 715
 716                                         if (verbose)
 717                                                 fprintf(stderr,
 718                                                     "'%s' not in database\n",
 719                                                     dp->d_name);
 720                                 }
 721                         }
 722                 }
 723                 closedir(dirp);
 724         } else
 725                 fprintf(stderr, "Could not open directory '%s'\n", dir);
 726
 727         /* Sort items in keymap */
 728         num_keymaps = get_num_keymaps();
 729
 730         km_sorted = (struct keymap **)
 731             malloc(num_keymaps*sizeof(struct keymap *));
 732
 733         /* Make array of pointers to items in hash */
 734         items = 0;
 735         SLIST_FOREACH(km, &head, entries)
 736                 km_sorted[items++] = km;
 737
 738         /* Change '8x8' to '8x08' so sort works as we might expect... */
 739         kludge_desc(km_sorted, num_keymaps);
 740
 741         qsort(km_sorted, num_keymaps, sizeof(struct keymap *), compare_keymap);
 742
 743         /* ...change back again */
 744         unkludge_desc(km_sorted, num_keymaps);
 745
 746         if (print) {
 747                 for (i=0; i<num_keymaps; i++)
 748                         printf("%s\n", km_sorted[i]->desc);
 749                 exit(0);
 750         }
 751
 752         show_dialog(km_sorted, num_keymaps);
 753
 754         free(km_sorted);
 755 }
 756
 757 /*
 758  * Display usage information and exit
 759  */
 760 static void
 761 usage(void)
 762 {
 763
 764         fprintf(stderr, "usage: %s\t[-K] [-V] [-d|-default] [-h|-help] "
 765             "[-l|-lang language]\n\t\t[-p|-print] [-r|-restore] [-s|-show] "
 766             "[-v|-verbose]\n", program);
 767         exit(1);
 768 }
 769
 770 static void
 771 parse_args(int argc, char **argv)
 772 {
 773         int i;
 774
 775         for (i=1; i<argc; i++) {
 776                 if (argv[i][0] != '-')
 777                         usage();
 778                 else if (!strcmp(argv[i], "-help") || !strcmp(argv[i], "-h"))
 779                         usage();
 780                 else if (!strcmp(argv[i], "-verbose") || !strcmp(argv[i], "-v"))
 781                         verbose = 1;
 782                 else if (!strcmp(argv[i], "-lang") || !strcmp(argv[i], "-l"))
 783                         if (i + 1 == argc)
 784                                 usage();
 785                         else
 786                                 lang = argv[++i];
 787                 else if (!strcmp(argv[i], "-default") || !strcmp(argv[i], "-d"))
 788                         lang = lang_default;
 789                 else if (!strcmp(argv[i], "-show") || !strcmp(argv[i], "-s"))
 790                         show = 1;
 791                 else if (!strcmp(argv[i], "-print") || !strcmp(argv[i], "-p"))
 792                         print = 1;
 793                 else if (!strcmp(argv[i], "-restore") ||
 794                     !strcmp(argv[i], "-r")) {
 795                         vidcontrol(font_current);
 796                         exit(0);
 797                 } else if (!strcmp(argv[i], "-K"))
 798                         dir = keymapdir;
 799                 else if (!strcmp(argv[i], "-V"))
 800                         dir = fontdir;
 801                 else
 802                         usage();
 803         }
 804 }
 805
 806 /*
 807  * A front-end for the 'vidfont' and 'kbdmap' programs.
 808  */
 809 int
 810 main(int argc, char **argv)
 811 {
 812
 813         x11 = system("kbdcontrol -d >/dev/null");
 814
 815         if (x11) {
 816                 fprintf(stderr, "You are not on a virtual console - "
 817                                 "expect certain strange side-effects\n");
 818                 sleep(2);
 819         }
 820
 821         SLIST_INIT(&head);
 822
 823         lang = get_locale();
 824
 825         program = extract_name(argv[0]);
 826
 827         /* Parse command line arguments */
 828         parse_args(argc, argv);
 829
 830         font_current = get_font();
 831         if (font_current == NULL)
 832                 font_current = font_default;
 833
 834         if (strcmp(program, "kbdmap"))
 835                 dir = fontdir;
 836         else
 837                 dir = keymapdir;
 838
 839         /* Read and display options */
 840         menu_read();
 841
 842         return 0;
 843 }