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glibc  2.9
Classes | Defines | Functions | Variables
locale.c File Reference
#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 <sys/mman.h>
#include <sys/stat.h>
#include "localeinfo.h"
#include "charmap-dir.h"
#include "../locarchive.h"
#include "categories.def"

Go to the source code of this file.

Classes

struct  category
struct  category::cat_item
struct  nameent

Defines

#define ARCHIVE_NAME   LOCALEDIR "/locale-archive"
#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
#define NELEMS(arr)   ((sizeof (arr)) / (sizeof (arr[0])))
#define NO_PAREN(Item, More...)   Item, ## More
#define DEFINE_ELEMENT(Item, More...)   { Item, ## More },
#define DEFINE_CATEGORY(category, name, items, postload)
#define DEFINE_CATEGORY(category, name, items, postload)
#define NCATEGORIES   NELEMS (category)
#define HANDLE(idx, name)
#define PUT(name)
#define GET(name)

Functions

void * xmalloc (size_t __n)
char * xstrdup (const char *__str)
static void print_version (FILE *stream, struct argp_state *state)
static error_t parse_opt (int key, char *arg, struct argp_state *state)
void locale_special (const char *name, int show_category_name, int show_keyword_name)
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[])
static void print_names (const void *nodep, VISIT value, int level)
static int select_dirs (const struct dirent *dirent)

Variables

static int show_category_name
static int show_keyword_name
static int do_all
static int do_charmaps = 0
static int verbose
void(* argp_program_version_hook )(FILE *, struct argp_state *) = print_version
static struct argp_option []
static const char doc []
static const char args_doc [] = N_("NAME\n[-a|-m]")
static struct argp
static struct category []
const char * __progname

Class Documentation

struct category

Definition at line 118 of file locale.c.

Collaboration diagram for category:
Class Members
int cat_id
struct cat_item * item_desc
const char * name
size_t number
struct nameent

Definition at line 599 of file locale.c.

Class Members
uint32_t locrec_offset
char * name

Define Documentation

#define ARCHIVE_NAME   LOCALEDIR "/locale-archive"

Definition at line 50 of file locale.c.

#define CTYPE_CLASS   0

Definition at line 110 of file locale.c.

#define CTYPE_HASH_LAYERS   0

Definition at line 109 of file locale.c.

#define CTYPE_HASH_SIZE   0

Definition at line 108 of file locale.c.

#define CTYPE_MB_CUR_MAX   0

Definition at line 107 of file locale.c.

#define CTYPE_MB_CUR_MIN   0

Definition at line 106 of file locale.c.

#define CTYPE_TOLOWER_EB   0

Definition at line 112 of file locale.c.

#define CTYPE_TOLOWER_EL   0

Definition at line 114 of file locale.c.

#define CTYPE_TOUPPER_EB   0

Definition at line 111 of file locale.c.

#define CTYPE_TOUPPER_EL   0

Definition at line 113 of file locale.c.

#define DEFINE_CATEGORY (   category,
  name,
  items,
  postload 
)
Value:
static struct cat_item category##_desc[] =                                  \
      {                                                                     \
        NO_PAREN items                                                      \
      };

Definition at line 143 of file locale.c.

#define DEFINE_CATEGORY (   category,
  name,
  items,
  postload 
)
Value:
[category] = { _NL_NUM_##category, name, NELEMS (category##_desc),          \
		   category##_desc },

Definition at line 143 of file locale.c.

#define DEFINE_ELEMENT (   Item,
  More... 
)    { Item, ## More },

Definition at line 142 of file locale.c.

#define GET (   name)
Value:
tfind (name, &all_data, \
                        (int (*) (const void *, const void *)) strcoll)
#define HANDLE (   idx,
  name 
)
Value:
str = ((char *) mapped                                               \
        + filedata->strindex[_NL_ITEM_INDEX (_NL_IDENTIFICATION_##idx)]);    \
  if (*str != '\0')                                                  \
    printf ("%9s | %s\n", name, str)
#define NCATEGORIES   NELEMS (category)

Definition at line 160 of file locale.c.

#define NELEMS (   arr)    ((sizeof (arr)) / (sizeof (arr[0])))

Definition at line 135 of file locale.c.

#define NO_PAREN (   Item,
  More... 
)    Item, ## More

Definition at line 138 of file locale.c.

#define PUT (   name)
Value:
tsearch (name, &all_data, \
                        (int (*) (const void *, const void *)) strcoll)

Function Documentation

void locale_special ( const char *  name,
int  show_category_name,
int  show_keyword_name 
)

Definition at line 35 of file locale-spec.c.

{
#if 0
  /* "collate-elements": print collation elements of locale.  */
  if (strcmp (name, "collate-elements") == 0)
    {
      size_t nelem = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_ELEM_HASH_SIZE);

      if (show_category_name)
       puts ("LC_COLLATE");
      if (show_keyword_name)
       fputs ("collate-elements=", stdout);

      if (nelem != 0)
       {
         int first = 1;
         size_t cnt;

         for (cnt = 0; cnt < nelem; ++cnt)
           if (__collate_element_hash[2 * cnt] != (~((u_int32_t) 0)))
             {
              size_t idx = __collate_element_hash[2 * cnt];

              printf ("%s<%s>", first ? "" : ";",
                     &__collate_element_strings[idx]);

              /* We don't print the string.  This is only confusing
                 because only the programs have to know the
                 encoding.  The code is left in place because it
                 shows how to get the information.  */
              {
                const wchar_t *wp;

                idx = __collate_element_hash[2 * cnt + 1];
                wp = &__collate_element_values[idx];
                while (*wp != L'\0')
                  {
                    /********************************************\
                    |* XXX The element values are really wide    *|
                    |* chars.  But we are currently not able to *|
                    |* print these so fake here.          *|
                    \********************************************/
                    int ch = wctob (*wp++);
                    if (ch != EOF)
                     putchar (ch);
                    else
                     fputs ("<??\?>", stdout);
                  }

                putchar ('"');
              }
              first = 0;
             }
       }
      putchar ('\n');
      return;
    }

  if (strcmp (name, "collate-classes") == 0)
    {
      size_t nelem = _NL_CURRENT_WORD (LC_COLLATE, _NL_COLLATE_SYMB_HASH_SIZE);
      size_t cnt;
      int first = 1;

      if (show_category_name)
       puts ("LC_COLLATE");
      if (show_keyword_name)
       fputs ("collate-classes=", stdout);

      for (cnt = 0; cnt < nelem; ++cnt)
       if (__collate_symbol_hash[2 * cnt] != 0xffffffff)
         {
           printf ("%s<%s>", first ? "" : ",",
                  &__collate_symbol_strings[__collate_symbol_hash[2 * cnt]]);
#if 0
           {
             size_t idx = __collate_symbol_hash[2 * cnt + 1];
             size_t cls;

             putchar ('=');
             for (cls = 0; cls < __collate_symbol_classes[idx]; ++cls)
              printf ("%s%d", cls == 0 ? "" : ":",
                     __collate_symbol_classes[idx + 1 + cls]);
           }
#endif
           first = 0;
         }
      putchar ('\n');
      return;
    }
#endif
}

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int main ( int  argc,
char *  argv[] 
)

Definition at line 182 of file locale.c.

{
  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);
}

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static int nameentcmp ( const void *  a,
const void *  b 
) [static]

Definition at line 607 of file locale.c.

{
  return strcoll (((const struct nameent *) a)->name,
                ((const struct nameent *) b)->name);
}

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static error_t parse_opt ( int  key,
char *  arg,
struct argp_state state 
) [static]

Definition at line 244 of file locale.c.

{
  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 void print_LC_CTYPE ( void *  mapped,
size_t  size 
) [static]

Definition at line 367 of file locale.c.

{
  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);
    }
}

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static void print_LC_IDENTIFICATION ( void *  mapped,
size_t  size 
) [static]

Definition at line 325 of file locale.c.

{
  /* 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");
    }
}

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static void print_names ( const void *  nodep,
VISIT  value,
int  level 
) [static]

Definition at line 286 of file locale.c.

{
  if (value == postorder || value == leaf)
    puts (*(char **) nodep);
}

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static void print_version ( FILE stream,
struct argp_state state 
) [static]

Definition at line 272 of file locale.c.

{
  fprintf (stream, "locale (GNU %s) %s\n", PACKAGE, 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\
"), "2008");
  fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper");
}

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static int select_dirs ( const struct dirent dirent) [static]

Definition at line 294 of file locale.c.

{
  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 (LOCALEDIR) + strlen (dirent->d_name) + 1];

         stpcpy (stpcpy (stpcpy (buf, LOCALEDIR), "/"), dirent->d_name);

         if (stat64 (buf, &st) == 0)
           mode = st.st_mode;
       }

      result = S_ISDIR (mode);
    }

  return result;
}

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static void show_info ( const char *  name) [static]

Definition at line 785 of file locale.c.

{
  size_t cat_no;

  auto void print_item (struct cat_item *item);

  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:
         {
           int cnt;
           const char *val;

           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) ? : "";
           int cnt;

           if (show_keyword_name)
             printf ("%s=", item->name);

           for (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 == '\177' ? -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 wstring:
       case wstringarray:
       case wstringlist:
         /* We don't print wide character information since the same
            information is available in a multibyte string.  */
       default:
         break;

       }
    }

  for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no)
    if (cat_no != LC_ALL)
      {
       size_t item_no;

       if (strcmp (name, category[cat_no].name) == 0)
         /* Print the whole category.  */
         {
           if (show_category_name != 0)
             puts (category[cat_no].name);

           for (item_no = 0; item_no < category[cat_no].number; ++item_no)
             print_item (&category[cat_no].item_desc[item_no]);

           return;
         }

       for (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);
}

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static void show_locale_vars ( void  ) [static]

Definition at line 751 of file locale.c.

{
  size_t cat_no;
  const char *lcall = getenv ("LC_ALL");
  const char *lang = getenv ("LANG") ? : "";

  auto void get_source (const char *name);

  void get_source (const char *name)
    {
      char *val = getenv (name);

      if ((lcall ?: "")[0] != '\0' || val == NULL)
       printf ("%s=\"%s\"\n", name,
              (lcall ?: "")[0] ? lcall : (lang ?: "")[0] ? lang : "POSIX");
      else
       printf ("%s=%s\n", name, val);
    }

  /* LANG has to be the first value.  */
  printf ("LANG=%s\n", lang);

  /* Now all categories in an unspecified order.  */
  for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no)
    if (cat_no != LC_ALL)
      get_source (category[cat_no].name);

  /* The last is the LC_ALL value.  */
  printf ("LC_ALL=%s\n", lcall ? : "");
}

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static int write_archive_locales ( void **  all_datap,
char *  linebuf 
) [static]

Definition at line 615 of file locale.c.

{
  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;
}

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static void write_charmaps ( void  ) [static]

Definition at line 708 of file locale.c.

{
  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);
}

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static void write_locales ( void  ) [static]

Definition at line 398 of file locale.c.

{
  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 (LOCALEDIR, &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 (LOCALEDIR) + strlen (dirents[cnt]->d_name)
             + sizeof "/LC_IDENTIFICATION"];
      char *enddir;
      struct stat64 st;

      stpcpy (enddir = stpcpy (stpcpy (stpcpy (buf, LOCALEDIR), "/"),
                            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);
    }
}

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void* xmalloc ( size_t  __n)

Definition at line 77 of file xmalloc.c.

{
  VOID *p;

  p = malloc (n);
  if (p == 0)
    p = fixup_null_alloc (n);
  return p;
}
char* xstrdup ( const char *  __str)

Variable Documentation

Definition at line 24 of file init-misc.c.

struct argp [static]
Initial value:

Definition at line 98 of file locale.c.

struct argp_option[] [static]
Initial value:
{
  { 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 }
}

Definition at line 72 of file locale.c.

Definition at line 69 of file locale.c.

const char args_doc[] = N_("NAME\n[-a|-m]") [static]

Definition at line 92 of file locale.c.

struct category[] [static]
Initial value:
  {
#define DEFINE_CATEGORY(category, name, items, postload) 




  }

Definition at line 152 of file locale.c.

int do_all [static]

Definition at line 59 of file locale.c.

int do_charmaps = 0 [static]

Definition at line 62 of file locale.c.

const char doc[] [static]
Initial value:
 N_("Get locale-specific information.\v\
For bug reporting instructions, please see:\n\
<http://www.gnu.org/software/libc/bugs.html>.\n")

Definition at line 87 of file locale.c.

Definition at line 53 of file locale.c.

Definition at line 56 of file locale.c.

int verbose [static]

Definition at line 65 of file locale.c.