1 //===-----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #ifndef _LIBCPP___LOCALE_DIR_SUPPORT_FUCHSIA_H
10 #define _LIBCPP___LOCALE_DIR_SUPPORT_FUCHSIA_H
11
12 #include <__config>
13 #include <__utility/forward.h>
14 #include <clocale> // uselocale & friends
15 #include <cstdio>
16 #include <cstdlib>
17 #include <cwchar>
18
19 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
20 # pragma GCC system_header
21 #endif
22
23 _LIBCPP_BEGIN_NAMESPACE_STD
24 namespace __locale {
25
26 struct __locale_guard {
__locale_guard__locale_guard27 _LIBCPP_HIDE_FROM_ABI __locale_guard(locale_t& __loc) : __old_loc_(::uselocale(__loc)) {}
28
~__locale_guard__locale_guard29 _LIBCPP_HIDE_FROM_ABI ~__locale_guard() {
30 if (__old_loc_)
31 ::uselocale(__old_loc_);
32 }
33
34 locale_t __old_loc_;
35
36 __locale_guard(__locale_guard const&) = delete;
37 __locale_guard& operator=(__locale_guard const&) = delete;
38 };
39
40 //
41 // Locale management
42 //
43 #define _LIBCPP_COLLATE_MASK LC_COLLATE_MASK
44 #define _LIBCPP_CTYPE_MASK LC_CTYPE_MASK
45 #define _LIBCPP_MONETARY_MASK LC_MONETARY_MASK
46 #define _LIBCPP_NUMERIC_MASK LC_NUMERIC_MASK
47 #define _LIBCPP_TIME_MASK LC_TIME_MASK
48 #define _LIBCPP_MESSAGES_MASK LC_MESSAGES_MASK
49 #define _LIBCPP_ALL_MASK LC_ALL_MASK
50 #define _LIBCPP_LC_ALL LC_ALL
51
52 using __locale_t _LIBCPP_NODEBUG = locale_t;
53
54 #if defined(_LIBCPP_BUILDING_LIBRARY)
55 using __lconv_t _LIBCPP_NODEBUG = std::lconv;
56
__newlocale(int __category_mask,const char * __name,__locale_t __loc)57 inline _LIBCPP_HIDE_FROM_ABI __locale_t __newlocale(int __category_mask, const char* __name, __locale_t __loc) {
58 return ::newlocale(__category_mask, __name, __loc);
59 }
60
__freelocale(__locale_t __loc)61 inline _LIBCPP_HIDE_FROM_ABI void __freelocale(__locale_t __loc) { ::freelocale(__loc); }
62
__setlocale(int __category,char const * __locale)63 inline _LIBCPP_HIDE_FROM_ABI char* __setlocale(int __category, char const* __locale) {
64 return ::setlocale(__category, __locale);
65 }
66
__localeconv(__locale_t & __loc)67 inline _LIBCPP_HIDE_FROM_ABI __lconv_t* __localeconv(__locale_t& __loc) {
68 __locale_guard __current(__loc);
69 return std::localeconv();
70 }
71
72 //
73 // Other functions
74 //
decltype(MB_CUR_MAX)75 inline _LIBCPP_HIDE_FROM_ABI decltype(MB_CUR_MAX) __mb_len_max(__locale_t __loc) {
76 __locale_guard __current(__loc);
77 return MB_CUR_MAX;
78 }
79 # if _LIBCPP_HAS_WIDE_CHARACTERS
__btowc(int __ch,__locale_t __loc)80 inline _LIBCPP_HIDE_FROM_ABI wint_t __btowc(int __ch, __locale_t __loc) {
81 __locale_guard __current(__loc);
82 return std::btowc(__ch);
83 }
__wctob(wint_t __ch,__locale_t __loc)84 inline _LIBCPP_HIDE_FROM_ABI int __wctob(wint_t __ch, __locale_t __loc) {
85 __locale_guard __current(__loc);
86 return std::wctob(__ch);
87 }
88 inline _LIBCPP_HIDE_FROM_ABI size_t
__wcsnrtombs(char * __dest,const wchar_t ** __src,size_t __nwc,size_t __len,mbstate_t * __ps,__locale_t __loc)89 __wcsnrtombs(char* __dest, const wchar_t** __src, size_t __nwc, size_t __len, mbstate_t* __ps, __locale_t __loc) {
90 __locale_guard __current(__loc);
91 return ::wcsnrtombs(__dest, __src, __nwc, __len, __ps); // non-standard
92 }
__wcrtomb(char * __s,wchar_t __ch,mbstate_t * __ps,__locale_t __loc)93 inline _LIBCPP_HIDE_FROM_ABI size_t __wcrtomb(char* __s, wchar_t __ch, mbstate_t* __ps, __locale_t __loc) {
94 __locale_guard __current(__loc);
95 return std::wcrtomb(__s, __ch, __ps);
96 }
97 inline _LIBCPP_HIDE_FROM_ABI size_t
__mbsnrtowcs(wchar_t * __dest,const char ** __src,size_t __nms,size_t __len,mbstate_t * __ps,__locale_t __loc)98 __mbsnrtowcs(wchar_t* __dest, const char** __src, size_t __nms, size_t __len, mbstate_t* __ps, __locale_t __loc) {
99 __locale_guard __current(__loc);
100 return ::mbsnrtowcs(__dest, __src, __nms, __len, __ps); // non-standard
101 }
102 inline _LIBCPP_HIDE_FROM_ABI size_t
__mbrtowc(wchar_t * __pwc,const char * __s,size_t __n,mbstate_t * __ps,__locale_t __loc)103 __mbrtowc(wchar_t* __pwc, const char* __s, size_t __n, mbstate_t* __ps, __locale_t __loc) {
104 __locale_guard __current(__loc);
105 return std::mbrtowc(__pwc, __s, __n, __ps);
106 }
__mbtowc(wchar_t * __pwc,const char * __pmb,size_t __max,__locale_t __loc)107 inline _LIBCPP_HIDE_FROM_ABI int __mbtowc(wchar_t* __pwc, const char* __pmb, size_t __max, __locale_t __loc) {
108 __locale_guard __current(__loc);
109 return std::mbtowc(__pwc, __pmb, __max);
110 }
__mbrlen(const char * __s,size_t __n,mbstate_t * __ps,__locale_t __loc)111 inline _LIBCPP_HIDE_FROM_ABI size_t __mbrlen(const char* __s, size_t __n, mbstate_t* __ps, __locale_t __loc) {
112 __locale_guard __current(__loc);
113 return std::mbrlen(__s, __n, __ps);
114 }
115 inline _LIBCPP_HIDE_FROM_ABI size_t
__mbsrtowcs(wchar_t * __dest,const char ** __src,size_t __len,mbstate_t * __ps,__locale_t __loc)116 __mbsrtowcs(wchar_t* __dest, const char** __src, size_t __len, mbstate_t* __ps, __locale_t __loc) {
117 __locale_guard __current(__loc);
118 return ::mbsrtowcs(__dest, __src, __len, __ps);
119 }
120 # endif // _LIBCPP_HAS_WIDE_CHARACTERS
121 #endif // _LIBCPP_BUILDING_LIBRARY
122
123 _LIBCPP_DIAGNOSTIC_PUSH
124 _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wgcc-compat")
125 _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") // GCC doesn't support [[gnu::format]] on variadic templates
126 #ifdef _LIBCPP_COMPILER_CLANG_BASED
127 # define _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(...) _LIBCPP_ATTRIBUTE_FORMAT(__VA_ARGS__)
128 #else
129 # define _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(...) /* nothing */
130 #endif
131
132 template <class... _Args>
__snprintf(char * __s,size_t __n,__locale_t __loc,const char * __format,_Args &&...__args)133 _LIBCPP_HIDE_FROM_ABI _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(__printf__, 4, 5) int __snprintf(
134 char* __s, size_t __n, __locale_t __loc, const char* __format, _Args&&... __args) {
135 __locale_guard __current(__loc);
136 return std::snprintf(__s, __n, __format, std::forward<_Args>(__args)...);
137 }
138 template <class... _Args>
__asprintf(char ** __s,__locale_t __loc,const char * __format,_Args &&...__args)139 _LIBCPP_HIDE_FROM_ABI _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(__printf__, 3, 4) int __asprintf(
140 char** __s, __locale_t __loc, const char* __format, _Args&&... __args) {
141 __locale_guard __current(__loc);
142 return ::asprintf(__s, __format, std::forward<_Args>(__args)...); // non-standard
143 }
144 template <class... _Args>
__sscanf(const char * __s,__locale_t __loc,const char * __format,_Args &&...__args)145 _LIBCPP_HIDE_FROM_ABI _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(__scanf__, 3, 4) int __sscanf(
146 const char* __s, __locale_t __loc, const char* __format, _Args&&... __args) {
147 __locale_guard __current(__loc);
148 return std::sscanf(__s, __format, std::forward<_Args>(__args)...);
149 }
150
151 _LIBCPP_DIAGNOSTIC_POP
152 #undef _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT
153
154 } // namespace __locale
155 _LIBCPP_END_NAMESPACE_STD
156
157 #include <__locale_dir/support/no_locale/characters.h>
158 #include <__locale_dir/support/no_locale/strtonum.h>
159
160 #endif // _LIBCPP___LOCALE_DIR_SUPPORT_FUCHSIA_H
161