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// Wrapper for underlying C-language localization -*- C++ -*-
// Copyright (C) 2001, 2002, 2003, 2004 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 2, 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.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// ISO C++ 14882: 22.8 Standard locale categories.
//
// Written by Benjamin Kosnik <bkoz@redhat.com>
#ifndef _C_LOCALE_H
#define _C_LOCALE_H 1
#pragma GCC system_header
#include <cstring> // get std::strlen
#include <cstdio> // get std::snprintf or std::sprintf
#include <clocale>
#include <langinfo.h> // For codecvt
#include <iconv.h> // For codecvt using iconv, iconv_t
#include <libintl.h> // For messages
#define _GLIBCXX_C_LOCALE_GNU 1
#define _GLIBCXX_NUM_CATEGORIES 6
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
namespace __gnu_cxx
{
extern "C" __typeof(uselocale) __uselocale;
}
#endif
namespace std
{
typedef __locale_t __c_locale;
// Convert numeric value of type _Tv to string and return length of
// string. If snprintf is available use it, otherwise fall back to
// the unsafe sprintf which, in general, can be dangerous and should
// be avoided.
template<typename _Tv>
int
__convert_from_v(char* __out, const int __size, const char* __fmt,
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
_Tv __v, const __c_locale& __cloc, int __prec)
{
__c_locale __old = __gnu_cxx::__uselocale(__cloc);
#else
_Tv __v, const __c_locale&, int __prec)
{
char* __old = std::setlocale(LC_ALL, NULL);
char* __sav = new char[std::strlen(__old) + 1];
std::strcpy(__sav, __old);
std::setlocale(LC_ALL, "C");
#endif
#ifdef _GLIBCXX_USE_C99
const int __ret = std::snprintf(__out, __size, __fmt, __prec, __v);
#else
const int __ret = std::sprintf(__out, __fmt, __prec, __v);
#endif
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
__gnu_cxx::__uselocale(__old);
#else
std::setlocale(LC_ALL, __sav);
delete [] __sav;
#endif
return __ret;
}
}
#endif
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