1 /*- 2 * Copyright (c) 2002, 2003 Alexey Zelkin <phantom@FreeBSD.org> 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 * $FreeBSD$ 27 */ 28 29 /* 30 * XXX: implement missing int_* (LC_MONETARY) (require libc modification) and 31 * era_* (LC_TIME) keywords (require libc & nl_langinfo(3) extensions) 32 * 33 * XXX: correctly handle reserved 'charmap' keyword and '-m' option (require 34 * localedef(1) implementation). Currently it's handled via 35 * nl_langinfo(CODESET). 36 */ 37 38 #include <sys/types.h> 39 #include <dirent.h> 40 #include <err.h> 41 #include <locale.h> 42 #include <langinfo.h> 43 #include <rune.h> /* for _PATH_LOCALE */ 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <stringlist.h> 48 #include <unistd.h> 49 50 /* Local prototypes */ 51 void init_locales_list(void); 52 void list_locales(void); 53 const char *lookup_localecat(int); 54 char *kwval_lconv(int); 55 int kwval_lookup(char *, char **, int *, int *); 56 void showdetails(char *); 57 void showkeywordslist(void); 58 void showlocale(void); 59 void usage(void); 60 61 /* Global variables */ 62 static StringList *locales = NULL; 63 64 int all_locales = 0; 65 int all_charmaps = 0; 66 int prt_categories = 0; 67 int prt_keywords = 0; 68 int more_params = 0; 69 70 struct _lcinfo { 71 const char *name; 72 int id; 73 } lcinfo [] = { 74 { "LC_CTYPE", LC_CTYPE }, 75 { "LC_COLLATE", LC_COLLATE }, 76 { "LC_TIME", LC_TIME }, 77 { "LC_NUMERIC", LC_NUMERIC }, 78 { "LC_MONETARY", LC_MONETARY }, 79 { "LC_MESSAGES", LC_MESSAGES } 80 }; 81 #define NLCINFO (sizeof(lcinfo)/sizeof(lcinfo[0])) 82 83 /* ids for values not referenced by nl_langinfo() */ 84 #define KW_ZERO 10000 85 #define KW_GROUPING (KW_ZERO+1) 86 #define KW_INT_CURR_SYMBOL (KW_ZERO+2) 87 #define KW_CURRENCY_SYMBOL (KW_ZERO+3) 88 #define KW_MON_DECIMAL_POINT (KW_ZERO+4) 89 #define KW_MON_THOUSANDS_SEP (KW_ZERO+5) 90 #define KW_MON_GROUPING (KW_ZERO+6) 91 #define KW_POSITIVE_SIGN (KW_ZERO+7) 92 #define KW_NEGATIVE_SIGN (KW_ZERO+8) 93 #define KW_INT_FRAC_DIGITS (KW_ZERO+9) 94 #define KW_FRAC_DIGITS (KW_ZERO+10) 95 #define KW_P_CS_PRECEDES (KW_ZERO+11) 96 #define KW_P_SEP_BY_SPACE (KW_ZERO+12) 97 #define KW_N_CS_PRECEDES (KW_ZERO+13) 98 #define KW_N_SEP_BY_SPACE (KW_ZERO+14) 99 #define KW_P_SIGN_POSN (KW_ZERO+15) 100 #define KW_N_SIGN_POSN (KW_ZERO+16) 101 102 struct _kwinfo { 103 const char *name; 104 int isstr; /* true - string, false - number */ 105 int catid; /* LC_* */ 106 int value_ref; 107 const char *comment; 108 } kwinfo [] = { 109 { "charmap", 1, LC_CTYPE, CODESET, "" }, /* hack */ 110 111 { "decimal_point", 1, LC_NUMERIC, RADIXCHAR, "" }, 112 { "thousands_sep", 1, LC_NUMERIC, THOUSEP, "" }, 113 { "grouping", 1, LC_NUMERIC, KW_GROUPING, "" }, 114 { "radixchar", 1, LC_NUMERIC, RADIXCHAR, 115 "Same as decimal_point (FreeBSD only)" }, /* compat */ 116 { "thousep", 1, LC_NUMERIC, THOUSEP, 117 "Same as thousands_sep (FreeBSD only)" }, /* compat */ 118 119 { "int_curr_symbol", 1, LC_MONETARY, KW_INT_CURR_SYMBOL, "" }, 120 { "currency_symbol", 1, LC_MONETARY, KW_CURRENCY_SYMBOL, "" }, 121 { "mon_decimal_point", 1, LC_MONETARY, KW_MON_DECIMAL_POINT, "" }, 122 { "mon_thousands_sep", 1, LC_MONETARY, KW_MON_THOUSANDS_SEP, "" }, 123 { "mon_grouping", 1, LC_MONETARY, KW_MON_GROUPING, "" }, 124 { "positive_sign", 1, LC_MONETARY, KW_POSITIVE_SIGN, "" }, 125 { "negative_sign", 1, LC_MONETARY, KW_NEGATIVE_SIGN, "" }, 126 127 { "int_frac_digits", 0, LC_MONETARY, KW_INT_FRAC_DIGITS, "" }, 128 { "frac_digits", 0, LC_MONETARY, KW_FRAC_DIGITS, "" }, 129 { "p_cs_precedes", 0, LC_MONETARY, KW_P_CS_PRECEDES, "" }, 130 { "p_sep_by_space", 0, LC_MONETARY, KW_P_SEP_BY_SPACE, "" }, 131 { "n_cs_precedes", 0, LC_MONETARY, KW_N_CS_PRECEDES, "" }, 132 { "n_sep_by_space", 0, LC_MONETARY, KW_N_SEP_BY_SPACE, "" }, 133 { "p_sign_posn", 0, LC_MONETARY, KW_P_SIGN_POSN, "" }, 134 { "n_sign_posn", 0, LC_MONETARY, KW_N_SIGN_POSN, "" }, 135 136 { "d_t_fmt", 1, LC_TIME, D_T_FMT, "" }, 137 { "d_fmt", 1, LC_TIME, D_FMT, "" }, 138 { "t_fmt", 1, LC_TIME, T_FMT, "" }, 139 { "am_str", 1, LC_TIME, AM_STR, "" }, 140 { "pm_str", 1, LC_TIME, PM_STR, "" }, 141 { "t_fmt_ampm", 1, LC_TIME, T_FMT_AMPM, "" }, 142 { "day_1", 1, LC_TIME, DAY_1, "" }, 143 { "day_2", 1, LC_TIME, DAY_2, "" }, 144 { "day_3", 1, LC_TIME, DAY_3, "" }, 145 { "day_4", 1, LC_TIME, DAY_4, "" }, 146 { "day_5", 1, LC_TIME, DAY_5, "" }, 147 { "day_6", 1, LC_TIME, DAY_6, "" }, 148 { "day_7", 1, LC_TIME, DAY_7, "" }, 149 { "abday_1", 1, LC_TIME, ABDAY_1, "" }, 150 { "abday_2", 1, LC_TIME, ABDAY_2, "" }, 151 { "abday_3", 1, LC_TIME, ABDAY_3, "" }, 152 { "abday_4", 1, LC_TIME, ABDAY_4, "" }, 153 { "abday_5", 1, LC_TIME, ABDAY_5, "" }, 154 { "abday_6", 1, LC_TIME, ABDAY_6, "" }, 155 { "abday_7", 1, LC_TIME, ABDAY_7, "" }, 156 { "mon_1", 1, LC_TIME, MON_1, "" }, 157 { "mon_2", 1, LC_TIME, MON_2, "" }, 158 { "mon_3", 1, LC_TIME, MON_3, "" }, 159 { "mon_4", 1, LC_TIME, MON_4, "" }, 160 { "mon_5", 1, LC_TIME, MON_5, "" }, 161 { "mon_6", 1, LC_TIME, MON_6, "" }, 162 { "mon_7", 1, LC_TIME, MON_7, "" }, 163 { "mon_8", 1, LC_TIME, MON_8, "" }, 164 { "mon_9", 1, LC_TIME, MON_9, "" }, 165 { "mon_10", 1, LC_TIME, MON_10, "" }, 166 { "mon_11", 1, LC_TIME, MON_11, "" }, 167 { "mon_12", 1, LC_TIME, MON_12, "" }, 168 { "abmon_1", 1, LC_TIME, ABMON_1, "" }, 169 { "abmon_2", 1, LC_TIME, ABMON_2, "" }, 170 { "abmon_3", 1, LC_TIME, ABMON_3, "" }, 171 { "abmon_4", 1, LC_TIME, ABMON_4, "" }, 172 { "abmon_5", 1, LC_TIME, ABMON_5, "" }, 173 { "abmon_6", 1, LC_TIME, ABMON_6, "" }, 174 { "abmon_7", 1, LC_TIME, ABMON_7, "" }, 175 { "abmon_8", 1, LC_TIME, ABMON_8, "" }, 176 { "abmon_9", 1, LC_TIME, ABMON_9, "" }, 177 { "abmon_10", 1, LC_TIME, ABMON_10, "" }, 178 { "abmon_11", 1, LC_TIME, ABMON_11, "" }, 179 { "abmon_12", 1, LC_TIME, ABMON_12, "" }, 180 { "era", 1, LC_TIME, ERA, "(unavailable)" }, 181 { "era_d_fmt", 1, LC_TIME, ERA_D_FMT, "(unavailable)" }, 182 { "era_d_t_fmt", 1, LC_TIME, ERA_D_T_FMT, "(unavailable)" }, 183 { "era_t_fmt", 1, LC_TIME, ERA_T_FMT, "(unavailable)" }, 184 { "alt_digits", 1, LC_TIME, ALT_DIGITS, "" }, 185 { "d_md_order", 1, LC_TIME, D_MD_ORDER, 186 "(FreeBSD only)" }, /* local */ 187 188 { "yesexpr", 1, LC_MESSAGES, YESEXPR, "" }, 189 { "noexpr", 1, LC_MESSAGES, NOEXPR, "" }, 190 { "yesstr", 1, LC_MESSAGES, YESSTR, 191 "(POSIX legacy)" }, /* compat */ 192 { "nostr", 1, LC_MESSAGES, NOSTR, 193 "(POSIX legacy)" } /* compat */ 194 195 }; 196 #define NKWINFO (sizeof(kwinfo)/sizeof(kwinfo[0])) 197 198 int 199 main(int argc, char *argv[]) 200 { 201 char ch; 202 int tmp; 203 204 while ((ch = getopt(argc, argv, "ackm")) != -1) { 205 switch (ch) { 206 case 'a': 207 all_locales = 1; 208 break; 209 case 'c': 210 prt_categories = 1; 211 break; 212 case 'k': 213 prt_keywords = 1; 214 break; 215 case 'm': 216 all_charmaps = 1; 217 break; 218 default: 219 usage(); 220 } 221 } 222 argc -= optind; 223 argv += optind; 224 225 /* validate arguments */ 226 if (all_locales && all_charmaps) 227 usage(); 228 if ((all_locales || all_charmaps) && argc > 0) 229 usage(); 230 if ((all_locales || all_charmaps) && (prt_categories || prt_keywords)) 231 usage(); 232 if ((prt_categories || prt_keywords) && argc <= 0) 233 usage(); 234 235 /* process '-a' */ 236 if (all_locales) { 237 list_locales(); 238 exit(0); 239 } 240 241 /* process '-m' */ 242 if (all_charmaps) { 243 /* 244 * XXX: charmaps are not supported by FreeBSD now. It 245 * need to be implemented as soon as localedef(1) implemented. 246 */ 247 exit(1); 248 } 249 250 /* check for special case '-k list' */ 251 tmp = 0; 252 if (prt_keywords && argc > 0) 253 while (tmp < argc) 254 if (strcasecmp(argv[tmp++], "list") == 0) { 255 showkeywordslist(); 256 exit(0); 257 } 258 259 /* process '-c' and/or '-k' */ 260 if (prt_categories || prt_keywords || argc > 0) { 261 setlocale(LC_ALL, ""); 262 while (argc > 0) { 263 showdetails(*argv); 264 argv++; 265 argc--; 266 } 267 exit(0); 268 } 269 270 /* no arguments, show current locale state */ 271 showlocale(); 272 273 return (0); 274 } 275 276 void 277 usage(void) 278 { 279 printf("Usage: locale [ -a | -m ]\n" 280 " locale [ -ck ] name ...\n"); 281 exit(1); 282 } 283 284 /* 285 * Output information about all available locales 286 * 287 * XXX actually output of this function does not guarantee that locale 288 * is really available to application, since it can be broken or 289 * inconsistent thus setlocale() will fail. Maybe add '-V' function to 290 * also validate these locales? 291 */ 292 void 293 list_locales(void) 294 { 295 size_t i; 296 297 init_locales_list(); 298 for (i = 0; i < locales->sl_cur; i++) { 299 printf("%s\n", locales->sl_str[i]); 300 } 301 } 302 303 304 /* 305 * qsort() helper function 306 */ 307 static int 308 scmp(const void *s1, const void *s2) 309 { 310 return strcmp(*(const char **)s1, *(const char **)s2); 311 } 312 313 314 /* 315 * Retrieve sorted list of system locales (or user locales, if PATH_LOCALE 316 * environment variable is set) 317 */ 318 void 319 init_locales_list(void) 320 { 321 DIR *dirp; 322 struct dirent *dp; 323 const char *dirname; 324 325 /* why call this function twice ? */ 326 if (locales != NULL) 327 return; 328 329 /* initialize StringList */ 330 locales = sl_init(); 331 if (locales == NULL) 332 err(1, "could not allocate memory"); 333 334 /* get actual locales directory name */ 335 dirname = getenv("PATH_LOCALE"); 336 if (dirname == NULL) 337 dirname = _PATH_LOCALE; 338 339 /* open locales directory */ 340 dirp = opendir(dirname); 341 if (dirp == NULL) 342 err(1, "could not open directory '%s'", dirname); 343 344 /* scan directory and store its contents except "." and ".." */ 345 while ((dp = readdir(dirp)) != NULL) { 346 if (*(dp->d_name) == '.') 347 continue; /* exclude "." and ".." */ 348 sl_add(locales, strdup(dp->d_name)); 349 } 350 closedir(dirp); 351 352 /* make sure that 'POSIX' and 'C' locales are present in the list. 353 * POSIX 1003.1-2001 requires presence of 'POSIX' name only here, but 354 * we also list 'C' for constistency 355 */ 356 if (sl_find(locales, "POSIX") == NULL) 357 sl_add(locales, "POSIX"); 358 359 if (sl_find(locales, "C") == NULL) 360 sl_add(locales, "C"); 361 362 /* make output nicer, sort the list */ 363 qsort(locales->sl_str, locales->sl_cur, sizeof(char *), scmp); 364 } 365 366 /* 367 * Show current locale status, depending on environment variables 368 */ 369 void 370 showlocale(void) 371 { 372 size_t i; 373 const char *lang, *vval, *eval; 374 375 setlocale(LC_ALL, ""); 376 377 lang = getenv("LANG"); 378 if (lang == NULL) { 379 lang = ""; 380 } 381 printf("LANG=%s\n", lang); 382 /* XXX: if LANG is null, then set it to "C" to get implied values? */ 383 384 for (i = 0; i < NLCINFO; i++) { 385 vval = setlocale(lcinfo[i].id, NULL); 386 eval = getenv(lcinfo[i].name); 387 if (eval != NULL && !strcmp(eval, vval) 388 && strcmp(lang, vval)) { 389 /* 390 * Appropriate environment variable set, its value 391 * is valid and not overriden by LC_ALL 392 * 393 * XXX: possible side effect: if both LANG and 394 * overriden environment variable are set into same 395 * value, then it'll be assumed as 'implied' 396 */ 397 printf("%s=%s\n", lcinfo[i].name, vval); 398 } else { 399 printf("%s=\"%s\"\n", lcinfo[i].name, vval); 400 } 401 } 402 403 vval = getenv("LC_ALL"); 404 if (vval == NULL) { 405 vval = ""; 406 } 407 printf("LC_ALL=%s\n", vval); 408 } 409 410 /* 411 * keyword value lookup helper (via localeconv()) 412 */ 413 char * 414 kwval_lconv(int id) 415 { 416 struct lconv *lc; 417 char *rval; 418 419 rval = NULL; 420 lc = localeconv(); 421 switch (id) { 422 case KW_GROUPING: 423 rval = lc->grouping; 424 break; 425 case KW_INT_CURR_SYMBOL: 426 rval = lc->int_curr_symbol; 427 break; 428 case KW_CURRENCY_SYMBOL: 429 rval = lc->currency_symbol; 430 break; 431 case KW_MON_DECIMAL_POINT: 432 rval = lc->mon_decimal_point; 433 break; 434 case KW_MON_THOUSANDS_SEP: 435 rval = lc->mon_thousands_sep; 436 break; 437 case KW_MON_GROUPING: 438 rval = lc->mon_grouping; 439 break; 440 case KW_POSITIVE_SIGN: 441 rval = lc->positive_sign; 442 break; 443 case KW_NEGATIVE_SIGN: 444 rval = lc->negative_sign; 445 break; 446 case KW_INT_FRAC_DIGITS: 447 rval = &(lc->int_frac_digits); 448 break; 449 case KW_FRAC_DIGITS: 450 rval = &(lc->frac_digits); 451 break; 452 case KW_P_CS_PRECEDES: 453 rval = &(lc->p_cs_precedes); 454 break; 455 case KW_P_SEP_BY_SPACE: 456 rval = &(lc->p_sep_by_space); 457 break; 458 case KW_N_CS_PRECEDES: 459 rval = &(lc->n_cs_precedes); 460 break; 461 case KW_N_SEP_BY_SPACE: 462 rval = &(lc->n_sep_by_space); 463 break; 464 case KW_P_SIGN_POSN: 465 rval = &(lc->p_sign_posn); 466 break; 467 case KW_N_SIGN_POSN: 468 rval = &(lc->n_sign_posn); 469 break; 470 default: 471 break; 472 } 473 return (rval); 474 } 475 476 /* 477 * keyword value and properties lookup 478 */ 479 int 480 kwval_lookup(char *kwname, char **kwval, int *cat, int *isstr) 481 { 482 int rval; 483 size_t i; 484 485 rval = 0; 486 for (i = 0; i < NKWINFO; i++) { 487 if (strcasecmp(kwname, kwinfo[i].name) == 0) { 488 rval = 1; 489 *cat = kwinfo[i].catid; 490 *isstr = kwinfo[i].isstr; 491 if (kwinfo[i].value_ref < KW_ZERO) { 492 *kwval = nl_langinfo(kwinfo[i].value_ref); 493 } else { 494 *kwval = kwval_lconv(kwinfo[i].value_ref); 495 } 496 break; 497 } 498 } 499 500 return (rval); 501 } 502 503 /* 504 * Show details about requested keyword according to '-k' and/or '-c' 505 * command line options specified. 506 */ 507 void 508 showdetails(char *kw) 509 { 510 int isstr, cat, tmpval; 511 char *kwval; 512 513 if (kwval_lookup(kw, &kwval, &cat, &isstr) == 0) { 514 /* 515 * invalid keyword specified. 516 * XXX: any actions? 517 */ 518 return; 519 } 520 521 if (prt_categories) { 522 printf("%s\n", lookup_localecat(cat)); 523 } 524 525 if (prt_keywords) { 526 if (isstr) { 527 printf("%s=\"%s\"\n", kw, kwval); 528 } else { 529 tmpval = (char) *kwval; 530 printf("%s=%d\n", kw, tmpval); 531 } 532 } 533 534 if (!prt_categories && !prt_keywords) { 535 if (isstr) { 536 printf("%s\n", kwval); 537 } else { 538 tmpval = (char) *kwval; 539 printf("%d\n", tmpval); 540 } 541 } 542 } 543 544 /* 545 * Convert locale category id into string 546 */ 547 const char * 548 lookup_localecat(int cat) 549 { 550 size_t i; 551 552 for (i = 0; i < NLCINFO; i++) 553 if (lcinfo[i].id == cat) { 554 return (lcinfo[i].name); 555 } 556 return ("UNKNOWN"); 557 } 558 559 /* 560 * Show list of keywords 561 */ 562 void 563 showkeywordslist(void) 564 { 565 size_t i; 566 567 #define FMT "%-20s %-12s %-7s %-20s\n" 568 569 printf("List of available keywords\n\n"); 570 printf(FMT, "Keyword", "Category", "Type", "Comment"); 571 printf("-------------------- ------------ ------- --------------------\n"); 572 for (i = 0; i < NKWINFO; i++) { 573 printf(FMT, 574 kwinfo[i].name, 575 lookup_localecat(kwinfo[i].catid), 576 (kwinfo[i].isstr == 0) ? "number" : "string", 577 kwinfo[i].comment); 578 } 579 } 580