1 // Wrapper for underlying C-language localization -*- C++ -*-
3 // Copyright (C) 2001, 2002 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 2, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING. If not, write to the Free
18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
21 // As a special exception, you may use this file as part of a free software
22 // library without restriction. Specifically, if other files instantiate
23 // templates or use macros or inline functions from this file, or you compile
24 // this file and link it with other files to produce an executable, this
25 // file does not by itself cause the resulting executable to be covered by
26 // the GNU General Public License. This exception does not however
27 // invalidate any other reasons why the executable file might be covered by
28 // the GNU General Public License.
31 // ISO C++ 14882: 22.8 Standard locale categories.
34 // Written by Benjamin Kosnik <bkoz@redhat.com>
37 #include <langinfo.h> // For codecvt
38 #include <iconv.h> // For codecvt using iconv, iconv_t
39 #include <libintl.h> // For messages
41 #define _GLIBCPP_C_LOCALE_GNU 1
45 typedef __locale_t __c_locale;
47 template<typename _Tv>
49 __convert_from_v(char* __out, const int __size, const char* __fmt,
50 _Tv __v, const __c_locale& __cloc, int __prec = -1)
53 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
54 __c_locale __old = __uselocale(__cloc);
56 char* __old = setlocale(LC_ALL, NULL);
57 char* __sav = static_cast<char*>(malloc(strlen(__old) + 1));
60 setlocale(LC_ALL, "C");
63 #ifdef _GLIBCPP_USE_C99
65 __ret = snprintf(__out, __size, __fmt, __prec, __v);
67 __ret = snprintf(__out, __size, __fmt, __v);
70 __ret = sprintf(__out, __fmt, __prec, __v);
72 __ret = sprintf(__out, __fmt, __v);
75 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
78 setlocale(LC_ALL, __sav);