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1 | // Wrapper for underlying C-language localization -*- C++ -*- |
2 | ||
14516325 | 3 | // Copyright (C) 2001, 2002 Free Software Foundation, Inc. |
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4 | // |
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) | |
9 | // any later version. | |
10 | ||
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. | |
15 | ||
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, | |
19 | // USA. | |
20 | ||
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. | |
29 | ||
30 | // | |
31 | // ISO C++ 14882: 22.8 Standard locale categories. | |
32 | // | |
33 | ||
34 | // Written by Benjamin Kosnik <bkoz@redhat.com> | |
35 | ||
7a6f7290 | 36 | #include <clocale> |
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37 | #include <langinfo.h> // For codecvt |
38 | #include <iconv.h> // For codecvt using iconv, iconv_t | |
39 | #include <libintl.h> // For messages | |
7a6f7290 | 40 | |
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41 | #define _GLIBCPP_C_LOCALE_GNU 1 |
42 | ||
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43 | namespace std |
44 | { | |
45 | typedef __locale_t __c_locale; | |
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46 | |
47 | template<typename _Tv> | |
48 | int | |
49 | __convert_from_v(char* __out, const int __size, const char* __fmt, | |
50 | _Tv __v, const __c_locale& __cloc, int __prec = -1) | |
51 | { | |
52 | int __ret; | |
53 | #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) | |
54 | __c_locale __old = __uselocale(__cloc); | |
55 | #else | |
56 | char* __old = setlocale(LC_ALL, NULL); | |
57 | char* __sav = static_cast<char*>(malloc(strlen(__old) + 1)); | |
58 | if (__sav) | |
59 | strcpy(__sav, __old); | |
60 | setlocale(LC_ALL, "C"); | |
61 | #endif | |
62 | ||
63 | #ifdef _GLIBCPP_USE_C99 | |
64 | if (__prec >= 0) | |
65 | __ret = snprintf(__out, __size, __fmt, __prec, __v); | |
66 | else | |
67 | __ret = snprintf(__out, __size, __fmt, __v); | |
68 | #else | |
69 | if (__prec >= 0) | |
70 | __ret = sprintf(__out, __fmt, __prec, __v); | |
71 | else | |
72 | __ret = sprintf(__out, __fmt, __v); | |
73 | #endif | |
74 | ||
75 | #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) | |
76 | __uselocale(__old); | |
77 | #else | |
78 | setlocale(LC_ALL, __sav); | |
79 | free(__sav); | |
80 | #endif | |
81 | return __ret; | |
82 | } | |
0214010c | 83 | } |