/* Determine name of the currently selected locale.

   Copyright (C) 2007, 2009-2019 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#ifndef _GL_LOCALENAME_H

#define _GL_LOCALENAME_H

#ifdef __cplusplus

extern "C" {

#endif

/* Determine the current locale's name.

   It considers both the POSIX notion of locale name (see functions

   gl_locale_name_thread and gl_locale_name_posix) and the system notion

   of locale name (see function gl_locale_name_default).

   CATEGORY is a locale category abbreviation, as defined in <locale.h>,

   but not LC_ALL. E.g. LC_MESSAGES.

   CATEGORYNAME is the name of CATEGORY as a string, e.g. "LC_MESSAGES".

   Return the locale category's name, canonicalized into XPG syntax

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

   The codeset part in the result is not reliable; the locale_charset()

   should be used for codeset information instead.

   The result must not be freed; it is statically allocated.  */

extern const char * gl_locale_name (int category, const char *categoryname);

/* Determine the current per-thread locale's name, as specified by uselocale()

   calls.

   CATEGORY is a locale category abbreviation, as defined in <locale.h>,

   but not LC_ALL. E.g. LC_MESSAGES.

   CATEGORYNAME is the name of CATEGORY as a string, e.g. "LC_MESSAGES".

   Return the locale category's name, canonicalized into XPG syntax

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

   or NULL if no locale has been specified for the current thread.

   The codeset part in the result is not reliable; the locale_charset()

   should be used for codeset information instead.

   The result must not be freed; it is statically allocated.  */

extern const char * gl_locale_name_thread (int category, const char *categoryname);

/* Determine the thread-independent current locale's name, as specified by

   setlocale() calls or by environment variables.

   CATEGORY is a locale category abbreviation, as defined in <locale.h>,

   but not LC_ALL. E.g. LC_MESSAGES.

   CATEGORYNAME is the name of CATEGORY as a string, e.g. "LC_MESSAGES".

   Return the locale category's name, canonicalized into XPG syntax

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

   or NULL if no locale has been specified to setlocale() or by environment

   variables.

   The codeset part in the result is not reliable; the locale_charset()

   should be used for codeset information instead.

   The result must not be freed; it is statically allocated.  */

extern const char * gl_locale_name_posix (int category, const char *categoryname);

/* Determine the default locale's name, as specified by environment

   variables.

   Return the locale category's name, or NULL if no locale has been specified

   by environment variables.

   The result must not be freed; it is statically allocated.  */

extern const char * gl_locale_name_environ (int category, const char *categoryname);

/* Determine the default locale's name.  This is the current locale's name,

   if not specified by uselocale() calls, by setlocale() calls, or by

   environment variables.  This locale name is usually determined by systems

   settings that the user can manipulate through a GUI.

   Quoting POSIX:2001:

     "All implementations shall define a locale as the default locale,

      to be invoked when no environment variables are set, or set to the

      empty string.  This default locale can be the C locale or any other

      implementation-defined locale.  Some implementations may provide

      facilities for local installation administrators to set the default

      locale, customizing it for each location.  IEEE Std 1003.1-2001 does

      not require such a facility."

   The result must not be freed; it is statically allocated.  */

extern const char * gl_locale_name_default (void)

#if !(HAVE_CFLOCALECOPYCURRENT || HAVE_CFPREFERENCESCOPYAPPVALUE \

      || defined _WIN32 || defined __CYGWIN__)

  _GL_ATTRIBUTE_CONST

#endif

  ;

#ifdef __cplusplus

}

#endif

#endif /* _GL_LOCALENAME_H */