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1 | // localization implementation details, DragonFly version -*- C++ -*- |
2 | ||
8d9254fc | 3 | // Copyright (C) 2001-2020 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 3, 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 | // Under Section 7 of GPL version 3, you are granted additional | |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
24 | ||
25 | /** @file bits/c++locale.h | |
26 | * This is an internal header file, included by other library headers. | |
27 | * Do not attempt to use it directly. @headername{locale} | |
28 | */ | |
29 | ||
30 | // | |
31 | // ISO C++ 14882: 22.8 Standard locale categories. | |
32 | // | |
33 | ||
34 | // Written by Benjamin Kosnik <bkoz@redhat.com> | |
35 | // Modified for DragonFly by John Marino <gnugcc@marino.st> | |
36 | ||
37 | #ifndef _GLIBCXX_CXX_LOCALE_H | |
38 | #define _GLIBCXX_CXX_LOCALE_H 1 | |
39 | ||
40 | #pragma GCC system_header | |
41 | ||
42 | #include <clocale> | |
43 | #include <xlocale.h> | |
44 | ||
45 | #define _GLIBCXX_NUM_CATEGORIES 0 | |
46 | ||
47 | namespace std _GLIBCXX_VISIBILITY(default) | |
48 | { | |
49 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
50 | ||
51 | typedef int* __c_locale; | |
52 | ||
53 | // Convert numeric value of type double and long double to string and | |
54 | // return length of string. If vsnprintf is available use it, otherwise | |
55 | // fall back to the unsafe vsprintf which, in general, can be dangerous | |
56 | // and should be avoided. | |
57 | inline int | |
58 | __convert_from_v(const __c_locale& __cloc, char* __out, | |
59 | const int __size __attribute__ ((__unused__)), | |
60 | const char* __fmt, ...) | |
61 | { | |
62 | __c_locale __old = (__c_locale)uselocale((locale_t)__cloc); | |
63 | ||
64 | __builtin_va_list __args; | |
65 | __builtin_va_start(__args, __fmt); | |
66 | ||
23c64853 | 67 | #if _GLIBCXX_USE_C99_STDIO |
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68 | const int __ret = __builtin_vsnprintf(__out, __size, __fmt, __args); |
69 | #else | |
70 | const int __ret = __builtin_vsprintf(__out, __fmt, __args); | |
71 | #endif | |
72 | ||
73 | __builtin_va_end(__args); | |
74 | ||
75 | uselocale((locale_t)__old); | |
76 | return __ret; | |
77 | } | |
78 | ||
79 | _GLIBCXX_END_NAMESPACE_VERSION | |
80 | } // namespace | |
81 | ||
82 | #endif |