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_NEWLIB_H
10#define _LIBCPP___LOCALE_DIR_SUPPORT_NEWLIB_H
11
12#include <__config>
13#include <__cstddef/size_t.h>
14#include <__std_mbstate_t.h>
15#include <clocale> // std::lconv
16#include <cstdio>
17#include <cstdlib>
18#include <ctype.h>
19#include <stdarg.h>
20#include <string.h>
21#include <time.h>
22#if _LIBCPP_HAS_WIDE_CHARACTERS
23# include <cwchar>
24# include <wctype.h>
25#endif
26
27#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
28# pragma GCC system_header
29#endif
30
31_LIBCPP_BEGIN_NAMESPACE_STD
32namespace __locale {
33
34struct __locale_guard {
35 _LIBCPP_HIDE_FROM_ABI __locale_guard(locale_t& __loc) : __old_loc_(::uselocale(__loc)) {}
36
37 _LIBCPP_HIDE_FROM_ABI ~__locale_guard() {
38 if (__old_loc_)
39 ::uselocale(__old_loc_);
40 }
41
42 locale_t __old_loc_;
43
44 __locale_guard(__locale_guard const&) = delete;
45 __locale_guard& operator=(__locale_guard const&) = delete;
46};
47
48//
49// Locale management
50//
51#define _LIBCPP_COLLATE_MASK LC_COLLATE_MASK
52#define _LIBCPP_CTYPE_MASK LC_CTYPE_MASK
53#define _LIBCPP_MONETARY_MASK LC_MONETARY_MASK
54#define _LIBCPP_NUMERIC_MASK LC_NUMERIC_MASK
55#define _LIBCPP_TIME_MASK LC_TIME_MASK
56#define _LIBCPP_MESSAGES_MASK LC_MESSAGES_MASK
57#define _LIBCPP_ALL_MASK LC_ALL_MASK
58#define _LIBCPP_LC_ALL LC_ALL
59
60using __locale_t _LIBCPP_NODEBUG = ::locale_t;
61
62#if defined(_LIBCPP_BUILDING_LIBRARY)
63using __lconv_t _LIBCPP_NODEBUG = std::lconv;
64
65inline _LIBCPP_HIDE_FROM_ABI __locale_t __newlocale(int __category_mask, const char* __locale, __locale_t __base) {
66 return ::newlocale(__category_mask, __locale, __base);
67}
68
69inline _LIBCPP_HIDE_FROM_ABI void __freelocale(__locale_t __loc) { ::freelocale(__loc); }
70
71inline _LIBCPP_HIDE_FROM_ABI char* __setlocale(int __category, char const* __locale) {
72 return ::setlocale(__category, __locale);
73}
74
75inline _LIBCPP_HIDE_FROM_ABI __lconv_t* __localeconv(__locale_t& __loc) {
76 __locale_guard __current(__loc);
77 return std::localeconv();
78}
79#endif // _LIBCPP_BUILDING_LIBRARY
80
81//
82// Strtonum functions
83//
84inline _LIBCPP_HIDE_FROM_ABI float __strtof(const char* __nptr, char** __endptr, __locale_t __loc) {
85 return ::strtof_l(__nptr, __endptr, __loc);
86}
87
88inline _LIBCPP_HIDE_FROM_ABI double __strtod(const char* __nptr, char** __endptr, __locale_t __loc) {
89 return ::strtod_l(__nptr, __endptr, __loc);
90}
91
92inline _LIBCPP_HIDE_FROM_ABI long double __strtold(const char* __nptr, char** __endptr, __locale_t __loc) {
93 return ::strtold_l(__nptr, __endptr, __loc);
94}
95
96//
97// Character manipulation functions
98//
99#if defined(_LIBCPP_BUILDING_LIBRARY)
100inline _LIBCPP_HIDE_FROM_ABI int __toupper(int __c, __locale_t __loc) { return toupper_l(__c, __loc); }
101
102inline _LIBCPP_HIDE_FROM_ABI int __tolower(int __c, __locale_t __loc) { return tolower_l(__c, __loc); }
103
104inline _LIBCPP_HIDE_FROM_ABI int __strcoll(const char* __s1, const char* __s2, __locale_t __loc) {
105 return strcoll_l(__s1, __s2, __loc);
106}
107
108inline _LIBCPP_HIDE_FROM_ABI size_t __strxfrm(char* __dest, const char* __src, size_t __n, __locale_t __loc) {
109 return strxfrm_l(__dest, __src, __n, __loc);
110}
111
112# if _LIBCPP_HAS_WIDE_CHARACTERS
113inline _LIBCPP_HIDE_FROM_ABI int __iswctype(wint_t __c, wctype_t __type, __locale_t __loc) {
114 return iswctype_l(__c, __type, __loc);
115}
116
117inline _LIBCPP_HIDE_FROM_ABI int __iswspace(wint_t __c, __locale_t __loc) { return iswspace_l(__c, __loc); }
118
119inline _LIBCPP_HIDE_FROM_ABI int __iswprint(wint_t __c, __locale_t __loc) { return iswprint_l(__c, __loc); }
120
121inline _LIBCPP_HIDE_FROM_ABI int __iswcntrl(wint_t __c, __locale_t __loc) { return iswcntrl_l(__c, __loc); }
122
123inline _LIBCPP_HIDE_FROM_ABI int __iswupper(wint_t __c, __locale_t __loc) { return iswupper_l(__c, __loc); }
124
125inline _LIBCPP_HIDE_FROM_ABI int __iswlower(wint_t __c, __locale_t __loc) { return iswlower_l(__c, __loc); }
126
127inline _LIBCPP_HIDE_FROM_ABI int __iswalpha(wint_t __c, __locale_t __loc) { return iswalpha_l(__c, __loc); }
128
129inline _LIBCPP_HIDE_FROM_ABI int __iswblank(wint_t __c, __locale_t __loc) { return iswblank_l(__c, __loc); }
130
131inline _LIBCPP_HIDE_FROM_ABI int __iswdigit(wint_t __c, __locale_t __loc) { return iswdigit_l(__c, __loc); }
132
133inline _LIBCPP_HIDE_FROM_ABI int __iswpunct(wint_t __c, __locale_t __loc) { return iswpunct_l(__c, __loc); }
134
135inline _LIBCPP_HIDE_FROM_ABI int __iswxdigit(wint_t __c, __locale_t __loc) { return iswxdigit_l(__c, __loc); }
136
137inline _LIBCPP_HIDE_FROM_ABI wint_t __towupper(wint_t __c, __locale_t __loc) { return towupper_l(__c, __loc); }
138
139inline _LIBCPP_HIDE_FROM_ABI wint_t __towlower(wint_t __c, __locale_t __loc) { return towlower_l(__c, __loc); }
140
141inline _LIBCPP_HIDE_FROM_ABI int __wcscoll(const wchar_t* __ws1, const wchar_t* __ws2, __locale_t __loc) {
142 return wcscoll_l(__ws1, __ws2, __loc);
143}
144
145inline _LIBCPP_HIDE_FROM_ABI size_t __wcsxfrm(wchar_t* __dest, const wchar_t* __src, size_t __n, __locale_t __loc) {
146 return wcsxfrm_l(__dest, __src, __n, __loc);
147}
148# endif // _LIBCPP_HAS_WIDE_CHARACTERS
149
150inline _LIBCPP_HIDE_FROM_ABI
151size_t __strftime(char* __s, size_t __max, const char* __format, const struct tm* __tm, __locale_t __loc) {
152 return strftime_l(__s, __max, __format, __tm, __loc);
153}
154
155//
156// Other functions
157//
158inline _LIBCPP_HIDE_FROM_ABI decltype(MB_CUR_MAX) __mb_len_max(__locale_t __loc) {
159 __locale_guard __current(__loc);
160 return MB_CUR_MAX;
161}
162
163# if _LIBCPP_HAS_WIDE_CHARACTERS
164inline _LIBCPP_HIDE_FROM_ABI wint_t __btowc(int __c, __locale_t __loc) {
165 __locale_guard __current(__loc);
166 return std::btowc(__c);
167}
168
169inline _LIBCPP_HIDE_FROM_ABI int __wctob(wint_t __c, __locale_t __loc) {
170 __locale_guard __current(__loc);
171 return std::wctob(__c);
172}
173
174inline _LIBCPP_HIDE_FROM_ABI size_t
175__wcsnrtombs(char* __dest, const wchar_t** __src, size_t __nwc, size_t __len, mbstate_t* __ps, __locale_t __loc) {
176 __locale_guard __current(__loc);
177 return ::wcsnrtombs(__dest, __src, __nwc, __len, __ps); // non-standard
178}
179
180inline _LIBCPP_HIDE_FROM_ABI size_t __wcrtomb(char* __s, wchar_t __wc, mbstate_t* __ps, __locale_t __loc) {
181 __locale_guard __current(__loc);
182 return std::wcrtomb(__s, __wc, __ps);
183}
184
185inline _LIBCPP_HIDE_FROM_ABI size_t
186__mbsnrtowcs(wchar_t* __dest, const char** __src, size_t __nms, size_t __len, mbstate_t* __ps, __locale_t __loc) {
187 __locale_guard __current(__loc);
188 return ::mbsnrtowcs(__dest, __src, __nms, __len, __ps); // non-standard
189}
190
191inline _LIBCPP_HIDE_FROM_ABI size_t
192__mbrtowc(wchar_t* __pwc, const char* __s, size_t __n, mbstate_t* __ps, __locale_t __loc) {
193 __locale_guard __current(__loc);
194 return std::mbrtowc(__pwc, __s, __n, __ps);
195}
196
197inline _LIBCPP_HIDE_FROM_ABI int __mbtowc(wchar_t* __pwc, const char* __pmb, size_t __max, __locale_t __loc) {
198 __locale_guard __current(__loc);
199 return std::mbtowc(__pwc, __pmb, __max);
200}
201
202inline _LIBCPP_HIDE_FROM_ABI size_t __mbrlen(const char* __s, size_t __n, mbstate_t* __ps, __locale_t __loc) {
203 __locale_guard __current(__loc);
204 return std::mbrlen(__s, __n, __ps);
205}
206
207inline _LIBCPP_HIDE_FROM_ABI size_t
208__mbsrtowcs(wchar_t* __dest, const char** __src, size_t __len, mbstate_t* __ps, __locale_t __loc) {
209 __locale_guard __current(__loc);
210 return std::mbsrtowcs(__dest, __src, __len, __ps);
211}
212# endif // _LIBCPP_HAS_WIDE_CHARACTERS
213#endif // _LIBCPP_BUILDING_LIBRARY
214
215#ifndef _LIBCPP_COMPILER_GCC // GCC complains that this can't be always_inline due to C-style varargs
216_LIBCPP_HIDE_FROM_ABI
217#endif
218inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 4, 5) int __snprintf(
219 char* __s, size_t __n, __locale_t __loc, const char* __format, ...) {
220 va_list __va;
221 va_start(__va, __format);
222 __locale_guard __current(__loc);
223 int __res = std::vsnprintf(__s, __n, __format, __va);
224 va_end(__va);
225 return __res;
226}
227
228#ifndef _LIBCPP_COMPILER_GCC // GCC complains that this can't be always_inline due to C-style varargs
229_LIBCPP_HIDE_FROM_ABI
230#endif
231inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 3, 4) int __asprintf(
232 char** __s, __locale_t __loc, const char* __format, ...) {
233 va_list __va;
234 va_start(__va, __format);
235 __locale_guard __current(__loc);
236 int __res = ::vasprintf(__s, __format, __va); // non-standard
237 va_end(__va);
238 return __res;
239}
240} // namespace __locale
241_LIBCPP_END_NAMESPACE_STD
242
243#endif // _LIBCPP___LOCALE_DIR_SUPPORT_NEWLIB_H