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glibc  2.9
Functions | Variables
finddomain.c File Reference
#include <stdio.h>
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include "gettextP.h"
#include "libgnuintl.h"

Go to the source code of this file.

Functions

struct loaded_l10nfile
*internal_function 
_nl_find_domain (char *dirname, char *locale, const char *domainname, struct binding *domainbinding) const

Variables

static struct loaded_l10nfile_nl_loaded_domains

Function Documentation

struct loaded_l10nfile* internal_function _nl_find_domain ( char *  dirname,
char *  locale,
const char *  domainname,
struct binding domainbinding 
) const [read]

Definition at line 53 of file finddomain.c.

{
  struct loaded_l10nfile *retval;
  const char *language;
  const char *modifier;
  const char *territory;
  const char *codeset;
  const char *normalized_codeset;
  const char *alias_value;
  int mask;

  /* LOCALE can consist of up to four recognized parts for the XPG syntax:

              language[_territory[.codeset]][@modifier]

     Beside the first part all of them are allowed to be missing.  If
     the full specified locale is not found, the less specific one are
     looked for.  The various parts will be stripped off according to
     the following order:
              (1) codeset
              (2) normalized codeset
              (3) territory
              (4) modifier
   */

  /* We need to protect modifying the _NL_LOADED_DOMAINS data.  */
  __libc_rwlock_define_initialized (static, lock);
  __libc_rwlock_rdlock (lock);

  /* If we have already tested for this locale entry there has to
     be one data set in the list of loaded domains.  */
  retval = _nl_make_l10nflist (&_nl_loaded_domains, dirname,
                            strlen (dirname) + 1, 0, locale, NULL, NULL,
                            NULL, NULL, domainname, 0);
  __libc_rwlock_unlock (lock);

  if (retval != NULL)
    {
      /* We know something about this locale.  */
      int cnt;

      if (retval->decided <= 0)
       _nl_load_domain (retval, domainbinding);

      if (retval->data != NULL)
       return retval;

      for (cnt = 0; retval->successor[cnt] != NULL; ++cnt)
       {
         if (retval->successor[cnt]->decided <= 0)
           _nl_load_domain (retval->successor[cnt], domainbinding);

         if (retval->successor[cnt]->data != NULL)
           break;
       }

      return retval;
      /* NOTREACHED */
    }

  /* See whether the locale value is an alias.  If yes its value
     *overwrites* the alias name.  No test for the original value is
     done.  */
  alias_value = _nl_expand_alias (locale);
  if (alias_value != NULL)
    locale = strdupa (alias_value);

  /* Now we determine the single parts of the locale name.  First
     look for the language.  Termination symbols are `_' and `@' if
     we use XPG4 style, and `_', `+', and `,' if we use CEN syntax.  */
  mask = _nl_explode_name (locale, &language, &modifier, &territory,
                        &codeset, &normalized_codeset);
  if (mask == -1)
    /* This means we are out of core.  */
    return NULL;

  /* We need to protect modifying the _NL_LOADED_DOMAINS data.  */
  __libc_rwlock_wrlock (lock);

  /* Create all possible locale entries which might be interested in
     generalization.  */
  retval = _nl_make_l10nflist (&_nl_loaded_domains, dirname,
                            strlen (dirname) + 1, mask, language, territory,
                            codeset, normalized_codeset, modifier,
                            domainname, 1);
  __libc_rwlock_unlock (lock);

  if (retval == NULL)
    /* This means we are out of core.  */
    goto out;

  if (retval->decided <= 0)
    _nl_load_domain (retval, domainbinding);
  if (retval->data == NULL)
    {
      int cnt;
      for (cnt = 0; retval->successor[cnt] != NULL; ++cnt)
       {
         if (retval->successor[cnt]->decided <= 0)
           _nl_load_domain (retval->successor[cnt], domainbinding);
         if (retval->successor[cnt]->data != NULL)
           break;
       }
    }

out:
  /* The space for normalized_codeset is dynamically allocated.  Free it.  */
  if (mask & XPG_NORM_CODESET)
    free ((void *) normalized_codeset);

  return retval;
}

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Variable Documentation

Definition at line 45 of file finddomain.c.