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// Wrapper for underlying C-language localization -*- C++ -*-

// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

// Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library 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, or (at your option)

// any later version.

// This library 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.

// Under Section 7 of GPL version 3, you are granted additional

// permissions described in the GCC Runtime Library Exception, version

// 3.1, as published by the Free Software Foundation.

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

// a copy of the GCC Runtime Library Exception along with this program;

// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

// <http://www.gnu.org/licenses/>.

//

// ISO C++ 14882: 22.8  Standard locale categories.

//

// Written by Benjamin Kosnik <bkoz@redhat.com>

#include <locale>

#include <stdexcept>

#include <limits>

#include <langinfo.h>

#include <bits/c++locale_internal.h>

namespace std _GLIBCXX_VISIBILITY(default)

{

_GLIBCXX_BEGIN_NAMESPACE_VERSION

  template<>

    void

    __convert_to_v(const char* __s, float& __v, ios_base::iostate& __err,

                   const __c_locale& __cloc) throw()

    {

      char* __sanity;

      __v = __strtof_l(__s, &__sanity, __cloc);

      // _GLIBCXX_RESOLVE_LIB_DEFECTS

      // 23. Num_get overflow result.

      if (__sanity == __s || *__sanity != '\0')

        {

          __v = 0.0f;

          __err = ios_base::failbit;

        }

      else if (__v == numeric_limits<float>::infinity())

        {

          __v = numeric_limits<float>::max();

          __err = ios_base::failbit;

        }

      else if (__v == -numeric_limits<float>::infinity())

        {

          __v = -numeric_limits<float>::max();

          __err = ios_base::failbit;

        }

    }

  template<>

    void

    __convert_to_v(const char* __s, double& __v, ios_base::iostate& __err,

                   const __c_locale& __cloc) throw()

    {

      char* __sanity;

      __v = __strtod_l(__s, &__sanity, __cloc);

      // _GLIBCXX_RESOLVE_LIB_DEFECTS

      // 23. Num_get overflow result.

      if (__sanity == __s || *__sanity != '\0')

        {

          __v = 0.0;

          __err = ios_base::failbit;

        }

      else if (__v == numeric_limits<double>::infinity())

        {

          __v = numeric_limits<double>::max();

          __err = ios_base::failbit;

        }

      else if (__v == -numeric_limits<double>::infinity())

        {

          __v = -numeric_limits<double>::max();

          __err = ios_base::failbit;

        }

    }

  template<>

    void

    __convert_to_v(const char* __s, long double& __v, ios_base::iostate& __err,

                   const __c_locale& __cloc) throw()

    {

      char* __sanity;

#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)

      // Prefer strtold_l, as __strtold_l isn't prototyped in more recent

      // glibc versions.

      __v = strtold_l(__s, &__sanity, __cloc);

#else

      __v = __strtold_l(__s, &__sanity, __cloc);

#endif

      // _GLIBCXX_RESOLVE_LIB_DEFECTS

      // 23. Num_get overflow result.

      if (__sanity == __s || *__sanity != '\0')

        {

          __v = 0.0l;

          __err = ios_base::failbit;

        }

      else if (__v == numeric_limits<long double>::infinity())

        {

          __v = numeric_limits<long double>::max();

          __err = ios_base::failbit;

        }

      else if (__v == -numeric_limits<long double>::infinity())

        {

          __v = -numeric_limits<long double>::max();

          __err = ios_base::failbit;

        }

    }

  void

  locale::facet::_S_create_c_locale(__c_locale& __cloc, const char* __s,

                                    __c_locale __old)

  {

    __cloc = __newlocale(1 << LC_ALL, __s, __old);

    if (!__cloc)

      {

        // This named locale is not supported by the underlying OS.

        __throw_runtime_error(__N("locale::facet::_S_create_c_locale "

                                  "name not valid"));

      }

  }

  void

  locale::facet::_S_destroy_c_locale(__c_locale& __cloc)

  {

    if (__cloc && _S_get_c_locale() != __cloc)

      __freelocale(__cloc);

  }

  __c_locale

  locale::facet::_S_clone_c_locale(__c_locale& __cloc) throw()

  { return __duplocale(__cloc); }

  __c_locale

  locale::facet::_S_lc_ctype_c_locale(__c_locale __cloc, const char* __s)

  {

    __c_locale __dup = __duplocale(__cloc);

    if (__dup == __c_locale(0))

      __throw_runtime_error(__N("locale::facet::_S_lc_ctype_c_locale "

                                "duplocale error"));

#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)

    __c_locale __changed = __newlocale(LC_CTYPE_MASK, __s, __dup);

#else

    __c_locale __changed = __newlocale(1 << LC_CTYPE, __s, __dup);

#endif

    if (__changed == __c_locale(0))

      {

        __freelocale(__dup);

        __throw_runtime_error(__N("locale::facet::_S_lc_ctype_c_locale "

                                  "newlocale error"));

      }

    return __changed;

  }

_GLIBCXX_END_NAMESPACE_VERSION

} // namespace

namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)

{

_GLIBCXX_BEGIN_NAMESPACE_VERSION

  const char* const category_names[6 + _GLIBCXX_NUM_CATEGORIES] =

    {

      "LC_CTYPE",

      "LC_NUMERIC",

      "LC_TIME",

      "LC_COLLATE",

      "LC_MONETARY",

      "LC_MESSAGES",

      "LC_PAPER",

      "LC_NAME",

      "LC_ADDRESS",

      "LC_TELEPHONE",

      "LC_MEASUREMENT",

      "LC_IDENTIFICATION"

    };

_GLIBCXX_END_NAMESPACE_VERSION

} // namespace

namespace std _GLIBCXX_VISIBILITY(default)

{

_GLIBCXX_BEGIN_NAMESPACE_VERSION

  const char* const* const locale::_S_categories = __gnu_cxx::category_names;

_GLIBCXX_END_NAMESPACE_VERSION

} // namespace

// XXX GLIBCXX_ABI Deprecated

#ifdef _GLIBCXX_LONG_DOUBLE_COMPAT

#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \

  extern "C" void ldbl (void) __attribute__ ((alias (#dbl)))

_GLIBCXX_LDBL_COMPAT(_ZSt14__convert_to_vIdEvPKcRT_RSt12_Ios_IostateRKP15__locale_struct, _ZSt14__convert_to_vIeEvPKcRT_RSt12_Ios_IostateRKP15__locale_struct);

#endif // _GLIBCXX_LONG_DOUBLE_COMPAT