89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
/* Determine name of the currently selected locale.
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Copyright (C) 1995-2025 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Don't use __attribute__ __nonnull__ in this compilation unit. Otherwise gcc
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optimizes away the locale == NULL tests below in duplocale() and freelocale(),
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or xlclang reports -Wtautological-pointer-compare warnings for these tests.
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*/
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#define _GL_ARG_NONNULL(params)
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#include <config.h>
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/* Specification. */
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#include "localename.h"
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#include <limits.h>
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#include <stdlib.h>
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#include <locale.h>
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#include <string.h>
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#include "flexmember.h"
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#include "glthread/lock.h"
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#include "thread-optim.h"
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/* Define a local struniq() function. */
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#include "struniq.h"
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const char *
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gl_locale_name_thread (int category, const char *categoryname)
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{
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if (category == LC_ALL)
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/* Invalid argument. */
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abort ();
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const char *name = gl_locale_name_thread_unsafe (category, categoryname);
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if (name != NULL)
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return struniq (name);
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return NULL;
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}
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const char *
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gl_locale_name_posix (int category, const char *categoryname)
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{
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if (category == LC_ALL)
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/* Invalid argument. */
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abort ();
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const char *name = gl_locale_name_posix_unsafe (category, categoryname);
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if (name != NULL)
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return struniq (name);
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return NULL;
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}
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/* Determine the current locale's name, and canonicalize it into XPG syntax
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language[_territory][.codeset][@modifier]
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The codeset part in the result is not reliable; the locale_charset()
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should be used for codeset information instead.
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The result must not be freed; it is statically allocated. */
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const char *
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gl_locale_name (int category, const char *categoryname)
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{
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const char *retval;
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if (category == LC_ALL)
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/* Invalid argument. */
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abort ();
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retval = gl_locale_name_thread (category, categoryname);
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if (retval != NULL)
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return retval;
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retval = gl_locale_name_posix (category, categoryname);
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if (retval != NULL)
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return retval;
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return gl_locale_name_default ();
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}
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