1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993
|
/* Implementation of the locale program according to POSIX 9945-2.
Copyright (C) 1995-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1995.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <argp.h>
#include <argz.h>
#include <dirent.h>
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <langinfo.h>
#include <libintl.h>
#include <limits.h>
#include <locale.h>
#include <search.h>
#include <stdio.h>
#include <stdio_ext.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stdint.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include "localeinfo.h"
#include "charmap-dir.h"
#include "../locarchive.h"
#include <programs/xmalloc.h>
#define ARCHIVE_NAME COMPLOCALEDIR "/locale-archive"
/* If set print the name of the category. */
static int show_category_name;
/* If set print the name of the item. */
static int show_keyword_name;
/* Print names of all available locales. */
static int do_all;
/* Print names of all available character maps. */
static int do_charmaps = 0;
/* Nonzero if verbose output is wanted. */
static int verbose;
/* Name and version of program. */
static void print_version (FILE *stream, struct argp_state *state);
void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
/* Definitions of arguments for argp functions. */
static const struct argp_option options[] =
{
{ NULL, 0, NULL, 0, N_("System information:") },
{ "all-locales", 'a', NULL, OPTION_NO_USAGE,
N_("Write names of available locales") },
{ "charmaps", 'm', NULL, OPTION_NO_USAGE,
N_("Write names of available charmaps") },
{ NULL, 0, NULL, 0, N_("Modify output format:") },
{ "category-name", 'c', NULL, 0, N_("Write names of selected categories") },
{ "keyword-name", 'k', NULL, 0, N_("Write names of selected keywords") },
{ "verbose", 'v', NULL, 0, N_("Print more information") },
{ NULL, 0, NULL, 0, NULL }
};
/* Short description of program. */
static const char doc[] = N_("Get locale-specific information.");
/* Strings for arguments in help texts. */
static const char args_doc[] = N_("NAME\n[-a|-m]");
/* Prototype for option handler. */
static error_t parse_opt (int key, char *arg, struct argp_state *state);
/* Function to print some extra text in the help message. */
static char *more_help (int key, const char *text, void *input);
/* Data structure to communicate with argp functions. */
static struct argp argp =
{
options, parse_opt, args_doc, doc, NULL, more_help
};
/* We don't have these constants defined because we don't use them. Give
default values. */
#define CTYPE_MB_CUR_MIN 0
#define CTYPE_MB_CUR_MAX 0
#define CTYPE_HASH_SIZE 0
#define CTYPE_HASH_LAYERS 0
#define CTYPE_CLASS 0
#define CTYPE_TOUPPER_EB 0
#define CTYPE_TOLOWER_EB 0
#define CTYPE_TOUPPER_EL 0
#define CTYPE_TOLOWER_EL 0
/* Definition of the data structure which represents a category and its
items. */
struct category
{
int cat_id;
const char *name;
size_t number;
struct cat_item
{
int item_id;
const char *name;
enum { std, opt } status;
enum value_type value_type;
int min;
int max;
} *item_desc;
};
/* Simple helper macro. */
#define NELEMS(arr) ((sizeof (arr)) / (sizeof (arr[0])))
/* For some tricky stuff. */
#define NO_PAREN(Item, More...) Item, ## More
/* We have all categories defined in `categories.def'. Now construct
the description and data structure used for all categories. */
#define DEFINE_ELEMENT(Item, More...) { Item, ## More },
#define DEFINE_CATEGORY(category, name, items, postload) \
static struct cat_item category##_desc[] = \
{ \
NO_PAREN items \
};
#include "categories.def"
#undef DEFINE_CATEGORY
static struct category category[] =
{
#define DEFINE_CATEGORY(category, name, items, postload) \
[category] = { _NL_NUM_##category, name, NELEMS (category##_desc), \
category##_desc },
#include "categories.def"
#undef DEFINE_CATEGORY
};
#define NCATEGORIES NELEMS (category)
/* Automatically set variable. */
extern const char *__progname;
/* helper function for extended name handling. */
extern void locale_special (const char *name, int show_category_name,
int show_keyword_name);
/* Prototypes for local functions. */
static void print_LC_IDENTIFICATION (void *mapped, size_t size);
static void print_LC_CTYPE (void *mapped, size_t size);
static void write_locales (void);
static int nameentcmp (const void *a, const void *b);
static int write_archive_locales (void **all_datap, char *linebuf);
static void write_charmaps (void);
static void show_locale_vars (void);
static void show_info (const char *name);
int
main (int argc, char *argv[])
{
int remaining;
/* Set initial values for global variables. */
show_category_name = 0;
show_keyword_name = 0;
/* Set locale. Do not set LC_ALL because the other categories must
not be affected (according to POSIX.2). */
if (setlocale (LC_CTYPE, "") == NULL)
error (0, errno, gettext ("Cannot set LC_CTYPE to default locale"));
if (setlocale (LC_MESSAGES, "") == NULL)
error (0, errno, gettext ("Cannot set LC_MESSAGES to default locale"));
/* Initialize the message catalog. */
textdomain (PACKAGE);
/* Parse and process arguments. */
argp_parse (&argp, argc, argv, 0, &remaining, NULL);
/* `-a' requests the names of all available locales. */
if (do_all != 0)
{
if (setlocale (LC_COLLATE, "") == NULL)
error (0, errno,
gettext ("Cannot set LC_COLLATE to default locale"));
write_locales ();
exit (EXIT_SUCCESS);
}
/* `m' requests the names of all available charmaps. The names can be
used for the -f argument to localedef(1). */
if (do_charmaps != 0)
{
write_charmaps ();
exit (EXIT_SUCCESS);
}
/* Specific information about the current locale are requested.
Change to this locale now. */
if (setlocale (LC_ALL, "") == NULL)
error (0, errno, gettext ("Cannot set LC_ALL to default locale"));
/* If no real argument is given we have to print the contents of the
current locale definition variables. These are LANG and the LC_*. */
if (remaining == argc && show_keyword_name == 0 && show_category_name == 0)
{
show_locale_vars ();
exit (EXIT_SUCCESS);
}
/* Process all given names. */
while (remaining < argc)
show_info (argv[remaining++]);
exit (EXIT_SUCCESS);
}
/* Handle program arguments. */
static error_t
parse_opt (int key, char *arg, struct argp_state *state)
{
switch (key)
{
case 'a':
do_all = 1;
break;
case 'c':
show_category_name = 1;
break;
case 'm':
do_charmaps = 1;
break;
case 'k':
show_keyword_name = 1;
break;
case 'v':
verbose = 1;
break;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
static char *
more_help (int key, const char *text, void *input)
{
char *tp = NULL;
switch (key)
{
case ARGP_KEY_HELP_EXTRA:
/* We print some extra information. */
if (asprintf (&tp, gettext ("\
For bug reporting instructions, please see:\n\
%s.\n"), REPORT_BUGS_TO) < 0)
return NULL;
return tp;
default:
break;
}
return (char *) text;
}
/* Print the version information. */
static void
print_version (FILE *stream, struct argp_state *state)
{
fprintf (stream, "locale %s%s\n", PKGVERSION, VERSION);
fprintf (stream, gettext ("\
Copyright (C) %s Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
"), "2016");
fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper");
}
/* Simple action function which prints arguments as strings. */
static void
print_names (const void *nodep, VISIT value, int level)
{
if (value == postorder || value == leaf)
puts (*(char **) nodep);
}
static int
select_dirs (const struct dirent *dirent)
{
int result = 0;
if (strcmp (dirent->d_name, ".") != 0 && strcmp (dirent->d_name, "..") != 0)
{
mode_t mode = 0;
#ifdef _DIRENT_HAVE_D_TYPE
if (dirent->d_type != DT_UNKNOWN && dirent->d_type != DT_LNK)
mode = DTTOIF (dirent->d_type);
else
#endif
{
struct stat64 st;
char buf[sizeof (COMPLOCALEDIR)
+ strlen (dirent->d_name) + 1];
stpcpy (stpcpy (stpcpy (buf, COMPLOCALEDIR), "/"),
dirent->d_name);
if (stat64 (buf, &st) == 0)
mode = st.st_mode;
}
result = S_ISDIR (mode);
}
return result;
}
static void
print_LC_IDENTIFICATION (void *mapped, size_t size)
{
/* Read the information from the file. */
struct
{
unsigned int magic;
unsigned int nstrings;
unsigned int strindex[0];
} *filedata = mapped;
if (filedata->magic == LIMAGIC (LC_IDENTIFICATION)
&& (sizeof *filedata
+ (filedata->nstrings
* sizeof (unsigned int))
<= size))
{
const char *str;
#define HANDLE(idx, name) \
str = ((char *) mapped \
+ filedata->strindex[_NL_ITEM_INDEX (_NL_IDENTIFICATION_##idx)]); \
if (*str != '\0') \
printf ("%9s | %s\n", name, str)
HANDLE (TITLE, "title");
HANDLE (SOURCE, "source");
HANDLE (ADDRESS, "address");
HANDLE (CONTACT, "contact");
HANDLE (EMAIL, "email");
HANDLE (TEL, "telephone");
HANDLE (FAX, "fax");
HANDLE (LANGUAGE, "language");
HANDLE (TERRITORY, "territory");
HANDLE (AUDIENCE, "audience");
HANDLE (APPLICATION, "application");
HANDLE (ABBREVIATION, "abbreviation");
HANDLE (REVISION, "revision");
HANDLE (DATE, "date");
}
}
static void
print_LC_CTYPE (void *mapped, size_t size)
{
struct
{
unsigned int magic;
unsigned int nstrings;
unsigned int strindex[0];
} *filedata = mapped;
if (filedata->magic == LIMAGIC (LC_CTYPE)
&& (sizeof *filedata
+ (filedata->nstrings
* sizeof (unsigned int))
<= size))
{
const char *str;
str = ((char *) mapped
+ filedata->strindex[_NL_ITEM_INDEX (_NL_CTYPE_CODESET_NAME)]);
if (*str != '\0')
printf (" codeset | %s\n", str);
}
}
/* Write the names of all available locales to stdout. We have some
sources of the information: the contents of the locale directory
and the locale.alias file. To avoid duplicates and print the
result is a reasonable order we put all entries is a search tree
and print them afterwards. */
static void
write_locales (void)
{
char linebuf[80];
void *all_data = NULL;
struct dirent **dirents;
int ndirents;
int cnt;
char *alias_path;
size_t alias_path_len;
char *entry;
int first_locale = 1;
#define PUT(name) tsearch (name, &all_data, \
(int (*) (const void *, const void *)) strcoll)
#define GET(name) tfind (name, &all_data, \
(int (*) (const void *, const void *)) strcoll)
/* `POSIX' locale is always available (POSIX.2 4.34.3). */
PUT ("POSIX");
/* And so is the "C" locale. */
PUT ("C");
memset (linebuf, '-', sizeof (linebuf) - 1);
linebuf[sizeof (linebuf) - 1] = '\0';
/* First scan the locale archive. */
if (write_archive_locales (&all_data, linebuf))
first_locale = 0;
/* Now we can look for all files in the directory. */
ndirents = scandir (COMPLOCALEDIR, &dirents, select_dirs,
alphasort);
for (cnt = 0; cnt < ndirents; ++cnt)
{
/* Test whether at least the LC_CTYPE data is there. Some
directories only contain translations. */
char buf[sizeof (COMPLOCALEDIR)
+ strlen (dirents[cnt]->d_name)
+ sizeof "/LC_IDENTIFICATION"];
char *enddir;
struct stat64 st;
stpcpy (enddir = stpcpy (stpcpy (stpcpy (buf,
COMPLOCALEDIR),
"/"),
dirents[cnt]->d_name),
"/LC_IDENTIFICATION");
if (stat64 (buf, &st) == 0 && S_ISREG (st.st_mode))
{
if (verbose && GET (dirents[cnt]->d_name) == NULL)
{
/* Provide some nice output of all kinds of
information. */
int fd;
if (! first_locale)
putchar_unlocked ('\n');
first_locale = 0;
printf ("locale: %-15.15s directory: %.*s\n%s\n",
dirents[cnt]->d_name, (int) (enddir - buf), buf,
linebuf);
fd = open64 (buf, O_RDONLY);
if (fd != -1)
{
void *mapped = mmap64 (NULL, st.st_size, PROT_READ,
MAP_SHARED, fd, 0);
if (mapped != MAP_FAILED)
{
print_LC_IDENTIFICATION (mapped, st.st_size);
munmap (mapped, st.st_size);
}
close (fd);
/* Now try to get the charset information. */
strcpy (enddir, "/LC_CTYPE");
fd = open64 (buf, O_RDONLY);
if (fd != -1 && fstat64 (fd, &st) >= 0
&& ((mapped = mmap64 (NULL, st.st_size, PROT_READ,
MAP_SHARED, fd, 0))
!= MAP_FAILED))
{
print_LC_CTYPE (mapped, st.st_size);
munmap (mapped, st.st_size);
}
if (fd != -1)
close (fd);
}
}
/* If the verbose format is not selected we simply
collect the names. */
PUT (xstrdup (dirents[cnt]->d_name));
}
}
if (ndirents > 0)
free (dirents);
/* Now read the locale.alias files. */
if (argz_create_sep (LOCALE_ALIAS_PATH, ':', &alias_path, &alias_path_len))
error (1, errno, gettext ("while preparing output"));
entry = NULL;
while ((entry = argz_next (alias_path, alias_path_len, entry)))
{
static const char aliasfile[] = "/locale.alias";
FILE *fp;
char full_name[strlen (entry) + sizeof aliasfile];
stpcpy (stpcpy (full_name, entry), aliasfile);
fp = fopen (full_name, "rm");
if (fp == NULL)
/* Ignore non-existing files. */
continue;
/* No threads present. */
__fsetlocking (fp, FSETLOCKING_BYCALLER);
while (! feof_unlocked (fp))
{
/* It is a reasonable approach to use a fix buffer here
because
a) we are only interested in the first two fields
b) these fields must be usable as file names and so must
not be that long */
char buf[BUFSIZ];
char *alias;
char *value;
char *cp;
if (fgets_unlocked (buf, BUFSIZ, fp) == NULL)
/* EOF reached. */
break;
cp = buf;
/* Ignore leading white space. */
while (isspace (cp[0]) && cp[0] != '\n')
++cp;
/* A leading '#' signals a comment line. */
if (cp[0] != '\0' && cp[0] != '#' && cp[0] != '\n')
{
alias = cp++;
while (cp[0] != '\0' && !isspace (cp[0]))
++cp;
/* Terminate alias name. */
if (cp[0] != '\0')
*cp++ = '\0';
/* Now look for the beginning of the value. */
while (isspace (cp[0]))
++cp;
if (cp[0] != '\0')
{
value = cp++;
while (cp[0] != '\0' && !isspace (cp[0]))
++cp;
/* Terminate value. */
if (cp[0] == '\n')
{
/* This has to be done to make the following
test for the end of line possible. We are
looking for the terminating '\n' which do not
overwrite here. */
*cp++ = '\0';
*cp = '\n';
}
else if (cp[0] != '\0')
*cp++ = '\0';
/* Add the alias. */
if (! verbose && GET (value) != NULL)
PUT (xstrdup (alias));
}
}
/* Possibly not the whole line fits into the buffer.
Ignore the rest of the line. */
while (strchr (cp, '\n') == NULL)
{
cp = buf;
if (fgets_unlocked (buf, BUFSIZ, fp) == NULL)
/* Make sure the inner loop will be left. The outer
loop will exit at the `feof' test. */
*cp = '\n';
}
}
fclose (fp);
}
if (! verbose)
{
twalk (all_data, print_names);
}
}
struct nameent
{
char *name;
uint32_t locrec_offset;
};
static int
nameentcmp (const void *a, const void *b)
{
return strcoll (((const struct nameent *) a)->name,
((const struct nameent *) b)->name);
}
static int
write_archive_locales (void **all_datap, char *linebuf)
{
struct stat64 st;
void *all_data = *all_datap;
size_t len = 0;
struct locarhead *head;
struct namehashent *namehashtab;
char *addr = MAP_FAILED;
int fd, ret = 0;
uint32_t cnt;
fd = open64 (ARCHIVE_NAME, O_RDONLY);
if (fd < 0)
return 0;
if (fstat64 (fd, &st) < 0 || st.st_size < sizeof (*head))
goto error_out;
len = st.st_size;
addr = mmap64 (NULL, len, PROT_READ, MAP_SHARED, fd, 0);
if (addr == MAP_FAILED)
goto error_out;
head = (struct locarhead *) addr;
if (head->namehash_offset + head->namehash_size > len
|| head->string_offset + head->string_size > len
|| head->locrectab_offset + head->locrectab_size > len
|| head->sumhash_offset + head->sumhash_size > len)
goto error_out;
namehashtab = (struct namehashent *) (addr + head->namehash_offset);
if (! verbose)
{
for (cnt = 0; cnt < head->namehash_size; ++cnt)
if (namehashtab[cnt].locrec_offset != 0)
{
PUT (xstrdup (addr + namehashtab[cnt].name_offset));
++ret;
}
}
else
{
struct nameent *names;
uint32_t used;
names = (struct nameent *) xmalloc (head->namehash_used
* sizeof (struct nameent));
for (cnt = used = 0; cnt < head->namehash_size; ++cnt)
if (namehashtab[cnt].locrec_offset != 0)
{
names[used].name = addr + namehashtab[cnt].name_offset;
names[used++].locrec_offset = namehashtab[cnt].locrec_offset;
}
/* Sort the names. */
qsort (names, used, sizeof (struct nameent), nameentcmp);
for (cnt = 0; cnt < used; ++cnt)
{
struct locrecent *locrec;
PUT (xstrdup (names[cnt].name));
if (cnt)
putchar_unlocked ('\n');
printf ("locale: %-15.15s archive: " ARCHIVE_NAME "\n%s\n",
names[cnt].name, linebuf);
locrec = (struct locrecent *) (addr + names[cnt].locrec_offset);
print_LC_IDENTIFICATION (addr
+ locrec->record[LC_IDENTIFICATION].offset,
locrec->record[LC_IDENTIFICATION].len);
print_LC_CTYPE (addr + locrec->record[LC_CTYPE].offset,
locrec->record[LC_CTYPE].len);
}
ret = used;
}
error_out:
if (addr != MAP_FAILED)
munmap (addr, len);
close (fd);
*all_datap = all_data;
return ret;
}
/* Write the names of all available character maps to stdout. */
static void
write_charmaps (void)
{
void *all_data = NULL;
CHARMAP_DIR *dir;
const char *dirent;
/* Look for all files in the charmap directory. */
dir = charmap_opendir (CHARMAP_PATH);
if (dir == NULL)
return;
while ((dirent = charmap_readdir (dir)) != NULL)
{
char **aliases;
char **p;
PUT (xstrdup (dirent));
aliases = charmap_aliases (CHARMAP_PATH, dirent);
#if 0
/* Add the code_set_name and the aliases. */
for (p = aliases; *p; p++)
PUT (xstrdup (*p));
#else
/* Add the code_set_name only. Most aliases are obsolete. */
p = aliases;
if (*p)
PUT (xstrdup (*p));
#endif
charmap_free_aliases (aliases);
}
charmap_closedir (dir);
twalk (all_data, print_names);
}
/* Print a properly quoted assignment of NAME with VAL, using double
quotes iff DQUOTE is true. */
static void
print_assignment (const char *name, const char *val, bool dquote)
{
printf ("%s=", name);
if (dquote)
putchar ('"');
while (*val != '\0')
{
size_t segment
= strcspn (val, dquote ? "$`\"\\" : "~|&;<>()$`\\\"' \t\n");
printf ("%.*s", (int) segment, val);
val += segment;
if (*val == '\0')
break;
putchar ('\\');
putchar (*val++);
}
if (dquote)
putchar ('"');
putchar ('\n');
}
/* We have to show the contents of the environments determining the
locale. */
static void
show_locale_vars (void)
{
const char *lcall = getenv ("LC_ALL") ?: "";
const char *language = getenv ("LANGUAGE") ?: "";
const char *lang = getenv ("LANG") ?: "";
/* LANG has to be the first value. */
print_assignment ("LANG", lang, false);
if (getenv ("POSIXLY_CORRECT") == NULL)
printf ("LANGUAGE=%s\n", language);
/* Now all categories in an unspecified order. */
for (size_t cat_no = 0; cat_no < NCATEGORIES; ++cat_no)
if (cat_no != LC_ALL)
{
const char *name = category[cat_no].name;
const char *val = getenv (name);
if (lcall[0] != '\0' || val == NULL)
print_assignment (name,
lcall[0] != '\0' ? lcall
: lang[0] != '\0' ? lang
: "POSIX",
true);
else
print_assignment (name, val, false);
}
/* The last is the LC_ALL value. */
print_assignment ("LC_ALL", lcall, false);
}
/* Subroutine of show_info, below. */
static void
print_item (struct cat_item *item)
{
switch (item->value_type)
{
case string:
if (show_keyword_name)
printf ("%s=\"", item->name);
fputs (nl_langinfo (item->item_id) ? : "", stdout);
if (show_keyword_name)
putchar ('"');
putchar ('\n');
break;
case stringarray:
{
const char *val;
int cnt;
if (show_keyword_name)
printf ("%s=\"", item->name);
for (cnt = 0; cnt < item->max - 1; ++cnt)
{
val = nl_langinfo (item->item_id + cnt);
if (val != NULL)
fputs (val, stdout);
putchar (';');
}
val = nl_langinfo (item->item_id + cnt);
if (val != NULL)
fputs (val, stdout);
if (show_keyword_name)
putchar ('"');
putchar ('\n');
}
break;
case stringlist:
{
int first = 1;
const char *val = nl_langinfo (item->item_id) ? : "";
if (show_keyword_name)
printf ("%s=", item->name);
for (int cnt = 0; cnt < item->max && *val != '\0'; ++cnt)
{
printf ("%s%s%s%s", first ? "" : ";",
show_keyword_name ? "\"" : "", val,
show_keyword_name ? "\"" : "");
val = strchr (val, '\0') + 1;
first = 0;
}
putchar ('\n');
}
break;
case byte:
{
const char *val = nl_langinfo (item->item_id);
if (show_keyword_name)
printf ("%s=", item->name);
if (val != NULL)
printf ("%d", *val == '\377' ? -1 : *val);
putchar ('\n');
}
break;
case bytearray:
{
const char *val = nl_langinfo (item->item_id);
int cnt = val ? strlen (val) : 0;
if (show_keyword_name)
printf ("%s=", item->name);
while (cnt > 1)
{
printf ("%d;", *val == '\177' ? -1 : *val);
--cnt;
++val;
}
printf ("%d\n", cnt == 0 || *val == '\177' ? -1 : *val);
}
break;
case word:
{
union { unsigned int word; char *string; } val;
val.string = nl_langinfo (item->item_id);
if (show_keyword_name)
printf ("%s=", item->name);
printf ("%d\n", val.word);
}
break;
case wordarray:
{
int first = 1;
union { unsigned int *wordarray; char *string; } val;
val.string = nl_langinfo (item->item_id);
if (show_keyword_name)
printf ("%s=", item->name);
for (int cnt = 0; cnt < item->max; ++cnt)
{
printf ("%s%d", first ? "" : ";", val.wordarray[cnt]);
first = 0;
}
putchar ('\n');
}
break;
case wstring:
case wstringarray:
case wstringlist:
/* We don't print wide character information since the same
information is available in a multibyte string. */
default:
break;
}
}
/* Show the information request for NAME. */
static void
show_info (const char *name)
{
for (size_t cat_no = 0; cat_no < NCATEGORIES; ++cat_no)
if (cat_no != LC_ALL)
{
if (strcmp (name, category[cat_no].name) == 0)
/* Print the whole category. */
{
if (show_category_name != 0)
puts (category[cat_no].name);
for (size_t item_no = 0;
item_no < category[cat_no].number;
++item_no)
print_item (&category[cat_no].item_desc[item_no]);
return;
}
for (size_t item_no = 0; item_no < category[cat_no].number; ++item_no)
if (strcmp (name, category[cat_no].item_desc[item_no].name) == 0)
{
if (show_category_name != 0)
puts (category[cat_no].name);
print_item (&category[cat_no].item_desc[item_no]);
return;
}
}
/* The name is not a standard one.
For testing and perhaps advanced use allow some more symbols. */
locale_special (name, show_category_name, show_keyword_name);
}
|