245 lines · c
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_LINUX_H10#define _LIBCPP___LOCALE_DIR_SUPPORT_LINUX_H11 12#include <__config>13#include <__cstddef/size_t.h>14#include <__std_mbstate_t.h>15#include <__utility/forward.h>16#include <clocale> // std::lconv17#include <cstdio>18#include <cstdlib>19#include <ctype.h>20#include <stdarg.h>21#include <string.h>22#include <time.h>23#if _LIBCPP_HAS_WIDE_CHARACTERS24# include <cwchar>25# include <wctype.h>26#endif27 28#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)29# pragma GCC system_header30#endif31 32_LIBCPP_BEGIN_NAMESPACE_STD33namespace __locale {34 35struct __locale_guard {36 _LIBCPP_HIDE_FROM_ABI __locale_guard(locale_t& __loc) : __old_loc_(::uselocale(__loc)) {}37 38 _LIBCPP_HIDE_FROM_ABI ~__locale_guard() {39 if (__old_loc_)40 ::uselocale(__old_loc_);41 }42 43 locale_t __old_loc_;44 45 __locale_guard(__locale_guard const&) = delete;46 __locale_guard& operator=(__locale_guard const&) = delete;47};48 49//50// Locale management51//52#define _LIBCPP_COLLATE_MASK LC_COLLATE_MASK53#define _LIBCPP_CTYPE_MASK LC_CTYPE_MASK54#define _LIBCPP_MONETARY_MASK LC_MONETARY_MASK55#define _LIBCPP_NUMERIC_MASK LC_NUMERIC_MASK56#define _LIBCPP_TIME_MASK LC_TIME_MASK57#define _LIBCPP_MESSAGES_MASK LC_MESSAGES_MASK58#define _LIBCPP_ALL_MASK LC_ALL_MASK59#define _LIBCPP_LC_ALL LC_ALL60 61using __locale_t _LIBCPP_NODEBUG = ::locale_t;62 63#if defined(_LIBCPP_BUILDING_LIBRARY)64using __lconv_t _LIBCPP_NODEBUG = std::lconv;65 66inline _LIBCPP_HIDE_FROM_ABI __locale_t __newlocale(int __category_mask, const char* __locale, __locale_t __base) {67 return ::newlocale(__category_mask, __locale, __base);68}69 70inline _LIBCPP_HIDE_FROM_ABI void __freelocale(__locale_t __loc) { ::freelocale(__loc); }71 72inline _LIBCPP_HIDE_FROM_ABI char* __setlocale(int __category, char const* __locale) {73 return ::setlocale(__category, __locale);74}75 76inline _LIBCPP_HIDE_FROM_ABI __lconv_t* __localeconv(__locale_t& __loc) {77 __locale_guard __current(__loc);78 return std::localeconv();79}80#endif // _LIBCPP_BUILDING_LIBRARY81 82//83// Strtonum functions84//85inline _LIBCPP_HIDE_FROM_ABI float __strtof(const char* __nptr, char** __endptr, __locale_t __loc) {86 return ::strtof_l(__nptr, __endptr, __loc);87}88 89inline _LIBCPP_HIDE_FROM_ABI double __strtod(const char* __nptr, char** __endptr, __locale_t __loc) {90 return ::strtod_l(__nptr, __endptr, __loc);91}92 93inline _LIBCPP_HIDE_FROM_ABI long double __strtold(const char* __nptr, char** __endptr, __locale_t __loc) {94 return ::strtold_l(__nptr, __endptr, __loc);95}96 97//98// Character manipulation functions99//100#if defined(_LIBCPP_BUILDING_LIBRARY)101inline _LIBCPP_HIDE_FROM_ABI int __toupper(int __c, __locale_t __loc) { return toupper_l(__c, __loc); }102 103inline _LIBCPP_HIDE_FROM_ABI int __tolower(int __c, __locale_t __loc) { return tolower_l(__c, __loc); }104 105inline _LIBCPP_HIDE_FROM_ABI int __strcoll(const char* __s1, const char* __s2, __locale_t __loc) {106 return strcoll_l(__s1, __s2, __loc);107}108 109inline _LIBCPP_HIDE_FROM_ABI size_t __strxfrm(char* __dest, const char* __src, size_t __n, __locale_t __loc) {110 return strxfrm_l(__dest, __src, __n, __loc);111}112 113# if _LIBCPP_HAS_WIDE_CHARACTERS114inline _LIBCPP_HIDE_FROM_ABI int __iswctype(wint_t __c, wctype_t __type, __locale_t __loc) {115 return iswctype_l(__c, __type, __loc);116}117 118inline _LIBCPP_HIDE_FROM_ABI int __iswspace(wint_t __c, __locale_t __loc) { return iswspace_l(__c, __loc); }119 120inline _LIBCPP_HIDE_FROM_ABI int __iswprint(wint_t __c, __locale_t __loc) { return iswprint_l(__c, __loc); }121 122inline _LIBCPP_HIDE_FROM_ABI int __iswcntrl(wint_t __c, __locale_t __loc) { return iswcntrl_l(__c, __loc); }123 124inline _LIBCPP_HIDE_FROM_ABI int __iswupper(wint_t __c, __locale_t __loc) { return iswupper_l(__c, __loc); }125 126inline _LIBCPP_HIDE_FROM_ABI int __iswlower(wint_t __c, __locale_t __loc) { return iswlower_l(__c, __loc); }127 128inline _LIBCPP_HIDE_FROM_ABI int __iswalpha(wint_t __c, __locale_t __loc) { return iswalpha_l(__c, __loc); }129 130inline _LIBCPP_HIDE_FROM_ABI int __iswblank(wint_t __c, __locale_t __loc) { return iswblank_l(__c, __loc); }131 132inline _LIBCPP_HIDE_FROM_ABI int __iswdigit(wint_t __c, __locale_t __loc) { return iswdigit_l(__c, __loc); }133 134inline _LIBCPP_HIDE_FROM_ABI int __iswpunct(wint_t __c, __locale_t __loc) { return iswpunct_l(__c, __loc); }135 136inline _LIBCPP_HIDE_FROM_ABI int __iswxdigit(wint_t __c, __locale_t __loc) { return iswxdigit_l(__c, __loc); }137 138inline _LIBCPP_HIDE_FROM_ABI wint_t __towupper(wint_t __c, __locale_t __loc) { return towupper_l(__c, __loc); }139 140inline _LIBCPP_HIDE_FROM_ABI wint_t __towlower(wint_t __c, __locale_t __loc) { return towlower_l(__c, __loc); }141 142inline _LIBCPP_HIDE_FROM_ABI int __wcscoll(const wchar_t* __ws1, const wchar_t* __ws2, __locale_t __loc) {143 return wcscoll_l(__ws1, __ws2, __loc);144}145 146inline _LIBCPP_HIDE_FROM_ABI size_t __wcsxfrm(wchar_t* __dest, const wchar_t* __src, size_t __n, __locale_t __loc) {147 return wcsxfrm_l(__dest, __src, __n, __loc);148}149# endif // _LIBCPP_HAS_WIDE_CHARACTERS150 151inline _LIBCPP_HIDE_FROM_ABI size_t152__strftime(char* __s, size_t __max, const char* __format, const struct tm* __tm, __locale_t __loc) {153 return strftime_l(__s, __max, __format, __tm, __loc);154}155 156//157// Other functions158//159inline _LIBCPP_HIDE_FROM_ABI decltype(MB_CUR_MAX) __mb_len_max(__locale_t __loc) {160 __locale_guard __current(__loc);161 return MB_CUR_MAX;162}163 164# if _LIBCPP_HAS_WIDE_CHARACTERS165inline _LIBCPP_HIDE_FROM_ABI wint_t __btowc(int __c, __locale_t __loc) {166 __locale_guard __current(__loc);167 return std::btowc(__c);168}169 170inline _LIBCPP_HIDE_FROM_ABI int __wctob(wint_t __c, __locale_t __loc) {171 __locale_guard __current(__loc);172 return std::wctob(__c);173}174 175inline _LIBCPP_HIDE_FROM_ABI size_t176__wcsnrtombs(char* __dest, const wchar_t** __src, size_t __nwc, size_t __len, mbstate_t* __ps, __locale_t __loc) {177 __locale_guard __current(__loc);178 return ::wcsnrtombs(__dest, __src, __nwc, __len, __ps); // non-standard179}180 181inline _LIBCPP_HIDE_FROM_ABI size_t __wcrtomb(char* __s, wchar_t __wc, mbstate_t* __ps, __locale_t __loc) {182 __locale_guard __current(__loc);183 return std::wcrtomb(__s, __wc, __ps);184}185 186inline _LIBCPP_HIDE_FROM_ABI size_t187__mbsnrtowcs(wchar_t* __dest, const char** __src, size_t __nms, size_t __len, mbstate_t* __ps, __locale_t __loc) {188 __locale_guard __current(__loc);189 return ::mbsnrtowcs(__dest, __src, __nms, __len, __ps); // non-standard190}191 192inline _LIBCPP_HIDE_FROM_ABI size_t193__mbrtowc(wchar_t* __pwc, const char* __s, size_t __n, mbstate_t* __ps, __locale_t __loc) {194 __locale_guard __current(__loc);195 return std::mbrtowc(__pwc, __s, __n, __ps);196}197 198inline _LIBCPP_HIDE_FROM_ABI int __mbtowc(wchar_t* __pwc, const char* __pmb, size_t __max, __locale_t __loc) {199 __locale_guard __current(__loc);200 return std::mbtowc(__pwc, __pmb, __max);201}202 203inline _LIBCPP_HIDE_FROM_ABI size_t __mbrlen(const char* __s, size_t __n, mbstate_t* __ps, __locale_t __loc) {204 __locale_guard __current(__loc);205 return std::mbrlen(__s, __n, __ps);206}207 208inline _LIBCPP_HIDE_FROM_ABI size_t209__mbsrtowcs(wchar_t* __dest, const char** __src, size_t __len, mbstate_t* __ps, __locale_t __loc) {210 __locale_guard __current(__loc);211 return std::mbsrtowcs(__dest, __src, __len, __ps);212}213# endif // _LIBCPP_HAS_WIDE_CHARACTERS214#endif // _LIBCPP_BUILDING_LIBRARY215 216#ifndef _LIBCPP_COMPILER_GCC // GCC complains that this can't be always_inline due to C-style varargs217_LIBCPP_HIDE_FROM_ABI218#endif219inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 4, 5) int __snprintf(220 char* __s, size_t __n, __locale_t __loc, const char* __format, ...) {221 va_list __va;222 va_start(__va, __format);223 __locale_guard __current(__loc);224 int __res = std::vsnprintf(__s, __n, __format, __va);225 va_end(__va);226 return __res;227}228 229#ifndef _LIBCPP_COMPILER_GCC // GCC complains that this can't be always_inline due to C-style varargs230_LIBCPP_HIDE_FROM_ABI231#endif232inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 3, 4) int __asprintf(233 char** __s, __locale_t __loc, const char* __format, ...) {234 va_list __va;235 va_start(__va, __format);236 __locale_guard __current(__loc);237 int __res = ::vasprintf(__s, __format, __va); // non-standard238 va_end(__va);239 return __res;240}241} // namespace __locale242_LIBCPP_END_NAMESPACE_STD243 244#endif // _LIBCPP___LOCALE_DIR_SUPPORT_LINUX_H245