1// -*- C++ -*-
2//===---------------------- __bsd_locale_fallbacks.h ----------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9// The BSDs have lots of *_l functions.  This file provides reimplementations
10// of those functions for non-BSD platforms.
11//===----------------------------------------------------------------------===//
12
13#ifndef _LIBCPP_BSD_LOCALE_FALLBACKS_DEFAULTS_H
14#define _LIBCPP_BSD_LOCALE_FALLBACKS_DEFAULTS_H
15
16#include <stdlib.h>
17#include <stdarg.h>
18#include <memory>
19
20#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
21#pragma GCC system_header
22#endif
23
24_LIBCPP_BEGIN_NAMESPACE_STD
25
26inline _LIBCPP_INLINE_VISIBILITY
27decltype(MB_CUR_MAX) __libcpp_mb_cur_max_l(locale_t __l)
28{
29    __libcpp_locale_guard __current(__l);
30    return MB_CUR_MAX;
31}
32
33inline _LIBCPP_INLINE_VISIBILITY
34wint_t __libcpp_btowc_l(int __c, locale_t __l)
35{
36    __libcpp_locale_guard __current(__l);
37    return btowc(__c);
38}
39
40inline _LIBCPP_INLINE_VISIBILITY
41int __libcpp_wctob_l(wint_t __c, locale_t __l)
42{
43    __libcpp_locale_guard __current(__l);
44    return wctob(__c);
45}
46
47inline _LIBCPP_INLINE_VISIBILITY
48size_t __libcpp_wcsnrtombs_l(char *__dest, const wchar_t **__src, size_t __nwc,
49                         size_t __len, mbstate_t *__ps, locale_t __l)
50{
51    __libcpp_locale_guard __current(__l);
52    return wcsnrtombs(__dest, __src, __nwc, __len, __ps);
53}
54
55inline _LIBCPP_INLINE_VISIBILITY
56size_t __libcpp_wcrtomb_l(char *__s, wchar_t __wc, mbstate_t *__ps, locale_t __l)
57{
58    __libcpp_locale_guard __current(__l);
59    return wcrtomb(__s, __wc, __ps);
60}
61
62inline _LIBCPP_INLINE_VISIBILITY
63size_t __libcpp_mbsnrtowcs_l(wchar_t * __dest, const char **__src, size_t __nms,
64                      size_t __len, mbstate_t *__ps, locale_t __l)
65{
66    __libcpp_locale_guard __current(__l);
67    return mbsnrtowcs(__dest, __src, __nms, __len, __ps);
68}
69
70inline _LIBCPP_INLINE_VISIBILITY
71size_t __libcpp_mbrtowc_l(wchar_t *__pwc, const char *__s, size_t __n,
72                   mbstate_t *__ps, locale_t __l)
73{
74    __libcpp_locale_guard __current(__l);
75    return mbrtowc(__pwc, __s, __n, __ps);
76}
77
78inline _LIBCPP_INLINE_VISIBILITY
79int __libcpp_mbtowc_l(wchar_t *__pwc, const char *__pmb, size_t __max, locale_t __l)
80{
81    __libcpp_locale_guard __current(__l);
82    return mbtowc(__pwc, __pmb, __max);
83}
84
85inline _LIBCPP_INLINE_VISIBILITY
86size_t __libcpp_mbrlen_l(const char *__s, size_t __n, mbstate_t *__ps, locale_t __l)
87{
88    __libcpp_locale_guard __current(__l);
89    return mbrlen(__s, __n, __ps);
90}
91
92inline _LIBCPP_INLINE_VISIBILITY
93lconv *__libcpp_localeconv_l(locale_t __l)
94{
95    __libcpp_locale_guard __current(__l);
96    return localeconv();
97}
98
99inline _LIBCPP_INLINE_VISIBILITY
100size_t __libcpp_mbsrtowcs_l(wchar_t *__dest, const char **__src, size_t __len,
101                     mbstate_t *__ps, locale_t __l)
102{
103    __libcpp_locale_guard __current(__l);
104    return mbsrtowcs(__dest, __src, __len, __ps);
105}
106
107inline
108int __libcpp_snprintf_l(char *__s, size_t __n, locale_t __l, const char *__format, ...) {
109    va_list __va;
110    va_start(__va, __format);
111    __libcpp_locale_guard __current(__l);
112    int __res = vsnprintf(__s, __n, __format, __va);
113    va_end(__va);
114    return __res;
115}
116
117inline
118int __libcpp_asprintf_l(char **__s, locale_t __l, const char *__format, ...) {
119    va_list __va;
120    va_start(__va, __format);
121    __libcpp_locale_guard __current(__l);
122    int __res = vasprintf(__s, __format, __va);
123    va_end(__va);
124    return __res;
125}
126
127inline
128int __libcpp_sscanf_l(const char *__s, locale_t __l, const char *__format, ...) {
129    va_list __va;
130    va_start(__va, __format);
131    __libcpp_locale_guard __current(__l);
132    int __res = vsscanf(__s, __format, __va);
133    va_end(__va);
134    return __res;
135}
136
137_LIBCPP_END_NAMESPACE_STD
138
139#endif // _LIBCPP_BSD_LOCALE_FALLBACKS_DEFAULTS_H
140