/* Set the current default message catalog to DOMAINNAME.
If DOMAINNAME is null, return the current default.
If DOMAINNAME is "", reset to the default of "messages". */
char *TEXTDOMAIN (const char *domainname)
{
char *new_domain;
char *old_domain;
/* A NULL pointer requests the current setting. */
if (domainname == NULL)
return (char *) _nl_current_default_domain;
gl_rwlock_wrlock (_nl_state_lock);
old_domain = (char *) _nl_current_default_domain;
/* If domain name is the null string set to default domain "messages". */
if (domainname[0] == '\0'
|| strcmp (domainname, _nl_default_default_domain) == 0)
{
_nl_current_default_domain = _nl_default_default_domain;
new_domain = (char *) _nl_current_default_domain;
}
else if (strcmp (domainname, old_domain) == 0)
/* This can happen and people will use it to signal that some
environment variable changed. */
new_domain = old_domain;
else
{
/* If the following malloc fails `_nl_current_default_domain'
will be NULL. This value will be returned and so signals we
are out of core. */
#if defined _LIBC || defined HAVE_STRDUP
new_domain = strdup (domainname);
#else
size_t len = strlen (domainname) + 1;
new_domain = (char *) malloc (len);
if (new_domain != NULL)
memcpy (new_domain, domainname, len);
#endif
if (new_domain != NULL)
_nl_current_default_domain = new_domain;
}
/* We use this possibility to signal a change of the loaded catalogs
since this is most likely the case and there is no other easy we
to do it. Do it only when the call was successful. */
if (new_domain != NULL)
{
++_nl_msg_cat_cntr;
if (old_domain != new_domain
&& old_domain != _nl_default_default_domain)
free (old_domain);
}
gl_rwlock_unlock (_nl_state_lock);
return new_domain;
}
/* Specifies the directory name *DIRNAMEP and the output codeset *CODESETP
to be used for the DOMAINNAME message catalog.
If *DIRNAMEP or *CODESETP is NULL, the corresponding attribute is not
modified, only the current value is returned.
If DIRNAMEP or CODESETP is NULL, the corresponding attribute is neither
modified nor returned. */
static void
set_binding_values (const char *domainname,
const char **dirnamep, const char **codesetp)
{
struct binding *binding;
int modified;
/* Some sanity checks. */
if (domainname == NULL || domainname[0] == '\0')
{
if (dirnamep)
*dirnamep = NULL;
if (codesetp)
*codesetp = NULL;
return;
}
gl_rwlock_wrlock (_nl_state_lock);
modified = 0;
for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)
{
int compare = strcmp (domainname, binding->domainname);
if (compare == 0)
/* We found it! */
break;
if (compare < 0)
{
/* It is not in the list. */
binding = NULL;
break;
}
}
if (binding != NULL)
{
if (dirnamep)
{
const char *dirname = *dirnamep;
if (dirname == NULL)
/* The current binding has be to returned. */
*dirnamep = binding->dirname;
else
{
/* The domain is already bound. If the new value and the old
one are equal we simply do nothing. Otherwise replace the
old binding. */
char *result = binding->dirname;
if (strcmp (dirname, result) != 0)
{
if (strcmp (dirname, _nl_default_dirname) == 0)
result = (char *) _nl_default_dirname;
else
{
#if defined _LIBC || defined HAVE_STRDUP
result = strdup (dirname);
#else
size_t len = strlen (dirname) + 1;
result = (char *) malloc (len);
if (__builtin_expect (result != NULL, 1))
memcpy (result, dirname, len);
#endif
}
if (__builtin_expect (result != NULL, 1))
{
if (binding->dirname != _nl_default_dirname)
free (binding->dirname);
binding->dirname = result;
modified = 1;
}
}
*dirnamep = result;
}
}
if (codesetp)
{
const char *codeset = *codesetp;
if (codeset == NULL)
/* The current binding has be to returned. */
*codesetp = binding->codeset;
else
{
/* The domain is already bound. If the new value and the old
one are equal we simply do nothing. Otherwise replace the
old binding. */
char *result = binding->codeset;
if (result == NULL || strcmp (codeset, result) != 0)
{
#if defined _LIBC || defined HAVE_STRDUP
result = strdup (codeset);
#else
size_t len = strlen (codeset) + 1;
result = (char *) malloc (len);
if (__builtin_expect (result != NULL, 1))
memcpy (result, codeset, len);
#endif
if (__builtin_expect (result != NULL, 1))
{
if (binding->codeset != NULL)
free (binding->codeset);
binding->codeset = result;
modified = 1;
}
}
*codesetp = result;
}
}
}
else if ((dirnamep == NULL || *dirnamep == NULL)
&& (codesetp == NULL || *codesetp == NULL))
{
/* Simply return the default values. */
if (dirnamep)
*dirnamep = _nl_default_dirname;
if (codesetp)
*codesetp = NULL;
}
else
{
/* We have to create a new binding. */
size_t len = strlen (domainname) + 1;
struct binding *new_binding =
(struct binding *) malloc (offsetof (struct binding, domainname) + len);
if (__builtin_expect (new_binding == NULL, 0))
goto failed;
memcpy (new_binding->domainname, domainname, len);
if (dirnamep)
{
const char *dirname = *dirnamep;
if (dirname == NULL)
/* The default value. */
dirname = _nl_default_dirname;
else
{
if (strcmp (dirname, _nl_default_dirname) == 0)
dirname = _nl_default_dirname;
else
{
char *result;
#if defined _LIBC || defined HAVE_STRDUP
result = strdup (dirname);
if (__builtin_expect (result == NULL, 0))
goto failed_dirname;
#else
size_t len = strlen (dirname) + 1;
result = (char *) malloc (len);
if (__builtin_expect (result == NULL, 0))
goto failed_dirname;
memcpy (result, dirname, len);
#endif
dirname = result;
}
}
*dirnamep = dirname;
new_binding->dirname = (char *) dirname;
}
else
/* The default value. */
new_binding->dirname = (char *) _nl_default_dirname;
if (codesetp)
{
const char *codeset = *codesetp;
if (codeset != NULL)
{
char *result;
#if defined _LIBC || defined HAVE_STRDUP
result = strdup (codeset);
if (__builtin_expect (result == NULL, 0))
goto failed_codeset;
#else
size_t len = strlen (codeset) + 1;
result = (char *) malloc (len);
if (__builtin_expect (result == NULL, 0))
goto failed_codeset;
memcpy (result, codeset, len);
#endif
codeset = result;
}
*codesetp = codeset;
new_binding->codeset = (char *) codeset;
}
else
new_binding->codeset = NULL;
/* Now enqueue it. */
if (_nl_domain_bindings == NULL
|| strcmp (domainname, _nl_domain_bindings->domainname) < 0)
{
new_binding->next = _nl_domain_bindings;
_nl_domain_bindings = new_binding;
}
else
{
binding = _nl_domain_bindings;
while (binding->next != NULL
&& strcmp (domainname, binding->next->domainname) > 0)
binding = binding->next;
new_binding->next = binding->next;
binding->next = new_binding;
}
modified = 1;
/* Here we deal with memory allocation failures. */
if (0)
{
failed_codeset:
if (new_binding->dirname != _nl_default_dirname)
free (new_binding->dirname);
failed_dirname:
free (new_binding);
failed:
if (dirnamep)
*dirnamep = NULL;
if (codesetp)
*codesetp = NULL;
}
}
/* If we modified any binding, we flush the caches. */
if (modified)
++_nl_msg_cat_cntr;
gl_rwlock_unlock (_nl_state_lock);
}
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;
}
