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Diffstat (limited to 'REORG.TODO/locale/programs/locale.c')
-rw-r--r--REORG.TODO/locale/programs/locale.c989
1 files changed, 989 insertions, 0 deletions
diff --git a/REORG.TODO/locale/programs/locale.c b/REORG.TODO/locale/programs/locale.c
new file mode 100644
index 0000000000..941290089b
--- /dev/null
+++ b/REORG.TODO/locale/programs/locale.c
@@ -0,0 +1,989 @@
+/* Implementation of the locale program according to POSIX 9945-2.
+ Copyright (C) 1995-2017 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\
+"), "2017");
+ 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 *lang = getenv ("LANG") ?: "";
+
+ /* LANG has to be the first value. */
+ print_assignment ("LANG", lang, false);
+
+ /* 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);
+}