You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
115 lines
3.2 KiB
115 lines
3.2 KiB
// Wrapper for underlying C-language localization -*- C++ -*-
|
|
|
|
// Copyright (C) 2001-2021 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/>.
|
|
|
|
/** @file bits/c++locale.h
|
|
* This is an internal header file, included by other library headers.
|
|
* Do not attempt to use it directly. @headername{locale}
|
|
*/
|
|
|
|
//
|
|
// ISO C++ 14882: 22.8 Standard locale categories.
|
|
//
|
|
|
|
// Written by Benjamin Kosnik <bkoz@redhat.com>
|
|
|
|
#ifndef _GLIBCXX_CXX_LOCALE_H
|
|
#define _GLIBCXX_CXX_LOCALE_H 1
|
|
|
|
#pragma GCC system_header
|
|
|
|
#include <clocale>
|
|
|
|
#define _GLIBCXX_C_LOCALE_GNU 1
|
|
|
|
#define _GLIBCXX_NUM_CATEGORIES 6
|
|
|
|
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
|
|
namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
|
|
{
|
|
_GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|
|
|
extern "C" __typeof(uselocale) __uselocale;
|
|
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
|
} // namespace
|
|
#endif
|
|
|
|
namespace std _GLIBCXX_VISIBILITY(default)
|
|
{
|
|
_GLIBCXX_BEGIN_NAMESPACE_VERSION
|
|
|
|
typedef __locale_t __c_locale;
|
|
|
|
// Convert numeric value of type double and long double to string and
|
|
// return length of string. If vsnprintf is available use it, otherwise
|
|
// fall back to the unsafe vsprintf which, in general, can be dangerous
|
|
// and should be avoided.
|
|
inline int
|
|
__convert_from_v(const __c_locale& __cloc __attribute__ ((__unused__)),
|
|
char* __out,
|
|
const int __size __attribute__ ((__unused__)),
|
|
const char* __fmt, ...)
|
|
{
|
|
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
|
|
__c_locale __old = __gnu_cxx::__uselocale(__cloc);
|
|
#else
|
|
char* __old = std::setlocale(LC_NUMERIC, 0);
|
|
char* __sav = 0;
|
|
if (__builtin_strcmp(__old, "C"))
|
|
{
|
|
const size_t __len = __builtin_strlen(__old) + 1;
|
|
__sav = new char[__len];
|
|
__builtin_memcpy(__sav, __old, __len);
|
|
std::setlocale(LC_NUMERIC, "C");
|
|
}
|
|
#endif
|
|
|
|
__builtin_va_list __args;
|
|
__builtin_va_start(__args, __fmt);
|
|
|
|
#if _GLIBCXX_USE_C99_STDIO
|
|
const int __ret = __builtin_vsnprintf(__out, __size, __fmt, __args);
|
|
#else
|
|
const int __ret = __builtin_vsprintf(__out, __fmt, __args);
|
|
#endif
|
|
|
|
__builtin_va_end(__args);
|
|
|
|
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
|
|
__gnu_cxx::__uselocale(__old);
|
|
#else
|
|
if (__sav)
|
|
{
|
|
std::setlocale(LC_NUMERIC, __sav);
|
|
delete [] __sav;
|
|
}
|
|
#endif
|
|
return __ret;
|
|
}
|
|
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
|
} // namespace
|
|
|
|
#endif
|