1 // -*- C++ -*- 2 //===----------------------------------------------------------------------===// 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_H 14 #define _LIBCPP___BSD_LOCALE_FALLBACKS_H 15 16 #include <stdarg.h> 17 #include <stdlib.h> 18 19 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 20 # pragma GCC system_header 21 #endif 22 23 _LIBCPP_BEGIN_NAMESPACE_STD 24 25 inline _LIBCPP_INLINE_VISIBILITY 26 decltype(MB_CUR_MAX) __libcpp_mb_cur_max_l(locale_t __l) 27 { 28 __libcpp_locale_guard __current(__l); 29 return MB_CUR_MAX; 30 } 31 32 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 33 inline _LIBCPP_INLINE_VISIBILITY 34 wint_t __libcpp_btowc_l(int __c, locale_t __l) 35 { 36 __libcpp_locale_guard __current(__l); 37 return btowc(__c); 38 } 39 40 inline _LIBCPP_INLINE_VISIBILITY 41 int __libcpp_wctob_l(wint_t __c, locale_t __l) 42 { 43 __libcpp_locale_guard __current(__l); 44 return wctob(__c); 45 } 46 47 inline _LIBCPP_INLINE_VISIBILITY 48 size_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 55 inline _LIBCPP_INLINE_VISIBILITY 56 size_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 62 inline _LIBCPP_INLINE_VISIBILITY 63 size_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 70 inline _LIBCPP_INLINE_VISIBILITY 71 size_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 78 inline _LIBCPP_INLINE_VISIBILITY 79 int __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 85 inline _LIBCPP_INLINE_VISIBILITY 86 size_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 #endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS 92 93 inline _LIBCPP_INLINE_VISIBILITY 94 lconv *__libcpp_localeconv_l(locale_t __l) 95 { 96 __libcpp_locale_guard __current(__l); 97 return localeconv(); 98 } 99 100 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 101 inline _LIBCPP_INLINE_VISIBILITY 102 size_t __libcpp_mbsrtowcs_l(wchar_t *__dest, const char **__src, size_t __len, 103 mbstate_t *__ps, locale_t __l) 104 { 105 __libcpp_locale_guard __current(__l); 106 return mbsrtowcs(__dest, __src, __len, __ps); 107 } 108 #endif 109 110 inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 4, 5) 111 int __libcpp_snprintf_l(char *__s, size_t __n, locale_t __l, const char *__format, ...) { 112 va_list __va; 113 va_start(__va, __format); 114 __libcpp_locale_guard __current(__l); 115 int __res = vsnprintf(__s, __n, __format, __va); 116 va_end(__va); 117 return __res; 118 } 119 120 inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 3, 4) 121 int __libcpp_asprintf_l(char **__s, locale_t __l, const char *__format, ...) { 122 va_list __va; 123 va_start(__va, __format); 124 __libcpp_locale_guard __current(__l); 125 int __res = vasprintf(__s, __format, __va); 126 va_end(__va); 127 return __res; 128 } 129 130 inline _LIBCPP_ATTRIBUTE_FORMAT(__scanf__, 3, 4) 131 int __libcpp_sscanf_l(const char *__s, locale_t __l, const char *__format, ...) { 132 va_list __va; 133 va_start(__va, __format); 134 __libcpp_locale_guard __current(__l); 135 int __res = vsscanf(__s, __format, __va); 136 va_end(__va); 137 return __res; 138 } 139 140 _LIBCPP_END_NAMESPACE_STD 141 142 #endif // _LIBCPP___BSD_LOCALE_FALLBACKS_H 143