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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [config/] [locale/] [gnu/] [c_locale.h] - Rev 516
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// Wrapper for underlying C-language localization -*- C++ -*- // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 // 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 c++locale.h * This is an internal header file, included by other library headers. * You should not attempt to use it directly. */ // // 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> #include <cstddef> #define _GLIBCXX_C_LOCALE_GNU 1 #define _GLIBCXX_NUM_CATEGORIES 6 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx) extern "C" __typeof(uselocale) __uselocale; _GLIBCXX_END_NAMESPACE #endif _GLIBCXX_BEGIN_NAMESPACE(std) 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, NULL); char* __sav = NULL; 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); #ifdef _GLIBCXX_USE_C99 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 #endif