// Wrapper for underlying C-language localization -*- C++ -*-
-// Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+// 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 2, or (at your option)
+// 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,
// 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.
+// 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.
-// 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.
+// 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 <langinfo.h> // For codecvt
-#include <iconv.h> // For codecvt using iconv, iconv_t
-#include <libintl.h> // For messages
+#include <cstddef>
-#define _GLIBCPP_C_LOCALE_GNU 1
+#define _GLIBCXX_C_LOCALE_GNU 1
-#define _GLIBCPP_NUM_CATEGORIES 6
+#define _GLIBCXX_NUM_CATEGORIES 6
#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
-namespace __gnu_cxx
-{
+_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
+
extern "C" __typeof(uselocale) __uselocale;
-}
+
+_GLIBCXX_END_NAMESPACE
#endif
-namespace std
-{
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
typedef __locale_t __c_locale;
- template<typename _Tv>
- int
- __convert_from_v(char* __out, const int __size, const char* __fmt,
+ // 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)
- _Tv __v, const __c_locale& __cloc, int __prec = -1)
- {
- __c_locale __old = __gnu_cxx::__uselocale(__cloc);
+ __c_locale __old = __gnu_cxx::__uselocale(__cloc);
#else
- _Tv __v, const __c_locale&, int __prec = -1)
- {
- char* __old = setlocale(LC_ALL, NULL);
- char* __sav = static_cast<char*>(malloc(strlen(__old) + 1));
- if (__sav)
- strcpy(__sav, __old);
- setlocale(LC_ALL, "C");
+ 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
- int __ret;
-#ifdef _GLIBCPP_USE_C99
- if (__prec >= 0)
- __ret = snprintf(__out, __size, __fmt, __prec, __v);
- else
- __ret = snprintf(__out, __size, __fmt, __v);
+ __builtin_va_list __args;
+ __builtin_va_start(__args, __fmt);
+
+#ifdef _GLIBCXX_USE_C99
+ const int __ret = __builtin_vsnprintf(__out, __size, __fmt, __args);
#else
- if (__prec >= 0)
- __ret = sprintf(__out, __fmt, __prec, __v);
- else
- __ret = sprintf(__out, __fmt, __v);
+ 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);
+ __gnu_cxx::__uselocale(__old);
#else
- setlocale(LC_ALL, __sav);
- free(__sav);
+ if (__sav)
+ {
+ std::setlocale(LC_NUMERIC, __sav);
+ delete [] __sav;
+ }
+#endif
+ return __ret;
+ }
+
+_GLIBCXX_END_NAMESPACE
+
#endif
- return __ret;
- }
-}
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