internal_function
_nl_find_domain (const char *dirname, char *locale,
const char *domainname, struct binding *domainbinding)
{
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. */
gl_rwlock_define_initialized (static, lock);
gl_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);
gl_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)
{
#if defined _LIBC || defined HAVE_STRDUP
locale = strdup (alias_value);
if (locale == NULL)
return NULL;
#else
size_t len = strlen (alias_value) + 1;
locale = (char *) malloc (len);
if (locale == NULL)
return NULL;
memcpy (locale, alias_value, len);
#endif
}
/* Now we determine the single parts of the locale name. First
look for the language. Termination symbols are `_', '.', and `@'. */
mask = _nl_explode_name (locale, &language, &modifier, &territory,
&codeset, &normalized_codeset);
/* We need to protect modifying the _NL_LOADED_DOMAINS data. */
gl_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);
gl_rwlock_unlock (lock);
if (retval == NULL)
/* This means we are out of core. */
return NULL;
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;
}
}
/* The room for an alias was dynamically allocated. Free it now. */
if (alias_value != NULL)
free (locale);
/* The space for normalized_codeset is dynamically allocated. Free it. */
if (mask & XPG_NORM_CODESET)
free ((void *) normalized_codeset);
return retval;
}
/* Return a data structure describing the message catalog described by
the DOMAINNAME and CATEGORY parameters with respect to the currently
established bindings. */
struct loaded_l10nfile *
_nl_find_domain(const unsigned char *dirname, unsigned char *locale, const unsigned char *domainname,
struct binding *domainbinding)
{
struct loaded_l10nfile *retval;
const unsigned char *language;
const unsigned char *modifier;
const unsigned char *territory;
const unsigned char *codeset;
const unsigned char *normalized_codeset;
const unsigned char *special;
const unsigned char *sponsor;
const unsigned char *revision;
const unsigned char *alias_value;
int mask;
/* LOCALE can consist of up to four recognized parts for the XPG syntax:
language[_territory[.codeset]][@modifier]
and six parts for the CEN syntax:
language[_territory][+audience][+special][,[sponsor][_revision]]
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) revision
(2) sponsor
(3) special
(4) codeset
(5) normalized codeset
(6) territory
(7) audience/modifier
*/
/* 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, NULL, NULL, NULL, domainname,
0);
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 cnt >= 0 ? retval : NULL;
/* 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 = strdup(alias_value);
if (locale == NULL)
return NULL;
}
/* 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, &special,
&sponsor, &revision);
/* 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, special, sponsor, revision,
domainname, 1);
if (retval == NULL)
/* This means we are out of core. */
return NULL;
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;
}
}
/* The room for an alias was dynamically allocated. Free it now. */
if (alias_value != NULL)
free(locale);
/* The space for normalized_codeset is dynamically allocated. Free it. */
if (mask & XPG_NORM_CODESET)
free((void *) normalized_codeset);
return retval;
}
