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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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef _LIBCPP___LOCALE_DIR_SUPPORT_FUCHSIA_H10#define _LIBCPP___LOCALE_DIR_SUPPORT_FUCHSIA_H11 12#include <__config>13#include <__utility/forward.h>14#include <clocale> // uselocale & friends15#include <cstdio>16#include <cstdlib>17#include <cwchar>18 19#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)20# pragma GCC system_header21#endif22 23_LIBCPP_BEGIN_NAMESPACE_STD24namespace __locale {25 26struct __locale_guard {27 _LIBCPP_HIDE_FROM_ABI __locale_guard(locale_t& __loc) : __old_loc_(::uselocale(__loc)) {}28 29 _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 management42//43#define _LIBCPP_COLLATE_MASK LC_COLLATE_MASK44#define _LIBCPP_CTYPE_MASK LC_CTYPE_MASK45#define _LIBCPP_MONETARY_MASK LC_MONETARY_MASK46#define _LIBCPP_NUMERIC_MASK LC_NUMERIC_MASK47#define _LIBCPP_TIME_MASK LC_TIME_MASK48#define _LIBCPP_MESSAGES_MASK LC_MESSAGES_MASK49#define _LIBCPP_ALL_MASK LC_ALL_MASK50#define _LIBCPP_LC_ALL LC_ALL51 52using __locale_t _LIBCPP_NODEBUG = locale_t;53 54#if defined(_LIBCPP_BUILDING_LIBRARY)55using __lconv_t _LIBCPP_NODEBUG = std::lconv;56 57inline _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 61inline _LIBCPP_HIDE_FROM_ABI void __freelocale(__locale_t __loc) { ::freelocale(__loc); }62 63inline _LIBCPP_HIDE_FROM_ABI char* __setlocale(int __category, char const* __locale) {64 return ::setlocale(__category, __locale);65}66 67inline _LIBCPP_HIDE_FROM_ABI __lconv_t* __localeconv(__locale_t& __loc) {68 __locale_guard __current(__loc);69 return std::localeconv();70}71 72//73// Other functions74//75inline _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_CHARACTERS80inline _LIBCPP_HIDE_FROM_ABI wint_t __btowc(int __ch, __locale_t __loc) {81 __locale_guard __current(__loc);82 return std::btowc(__ch);83}84inline _LIBCPP_HIDE_FROM_ABI int __wctob(wint_t __ch, __locale_t __loc) {85 __locale_guard __current(__loc);86 return std::wctob(__ch);87}88inline _LIBCPP_HIDE_FROM_ABI size_t89__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-standard92}93inline _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}97inline _LIBCPP_HIDE_FROM_ABI size_t98__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-standard101}102inline _LIBCPP_HIDE_FROM_ABI size_t103__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}107inline _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}111inline _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}115inline _LIBCPP_HIDE_FROM_ABI size_t116__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_CHARACTERS121#endif // _LIBCPP_BUILDING_LIBRARY122 123_LIBCPP_DIAGNOSTIC_PUSH124_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wgcc-compat")125_LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") // GCC doesn't support [[gnu::format]] on variadic templates126#ifdef _LIBCPP_COMPILER_CLANG_BASED127# define _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(...) _LIBCPP_ATTRIBUTE_FORMAT(__VA_ARGS__)128#else129# define _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT(...) /* nothing */130#endif131 132template <class... _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}138template <class... _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-standard143}144_LIBCPP_DIAGNOSTIC_POP145#undef _LIBCPP_VARIADIC_ATTRIBUTE_FORMAT146 147} // namespace __locale148_LIBCPP_END_NAMESPACE_STD149 150#include <__locale_dir/support/no_locale/characters.h>151#include <__locale_dir/support/no_locale/strtonum.h>152 153#endif // _LIBCPP___LOCALE_DIR_SUPPORT_FUCHSIA_H154