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 10#include <locale> 11#include <cstdarg> // va_start, va_end 12#include <memory> 13#include <type_traits> 14 15int __libcpp_vasprintf(char **sptr, const char *__restrict fmt, va_list ap); 16 17using std::__libcpp_locale_guard; 18 19// FIXME: base currently unused. Needs manual work to construct the new locale 20locale_t newlocale( int mask, const char * locale, locale_t /*base*/ ) 21{ 22 return {_create_locale( LC_ALL, locale ), locale}; 23} 24 25decltype(MB_CUR_MAX) MB_CUR_MAX_L( locale_t __l ) 26{ 27#if defined(_LIBCPP_MSVCRT) 28 return ___mb_cur_max_l_func(__l); 29#else 30 __libcpp_locale_guard __current(__l); 31 return MB_CUR_MAX; 32#endif 33} 34 35lconv *localeconv_l( locale_t &loc ) 36{ 37 __libcpp_locale_guard __current(loc); 38 lconv *lc = localeconv(); 39 if (!lc) 40 return lc; 41 return loc.__store_lconv(lc); 42} 43size_t mbrlen_l( const char *__restrict s, size_t n, 44 mbstate_t *__restrict ps, locale_t loc ) 45{ 46 __libcpp_locale_guard __current(loc); 47 return mbrlen( s, n, ps ); 48} 49size_t mbsrtowcs_l( wchar_t *__restrict dst, const char **__restrict src, 50 size_t len, mbstate_t *__restrict ps, locale_t loc ) 51{ 52 __libcpp_locale_guard __current(loc); 53 return mbsrtowcs( dst, src, len, ps ); 54} 55size_t wcrtomb_l( char *__restrict s, wchar_t wc, mbstate_t *__restrict ps, 56 locale_t loc ) 57{ 58 __libcpp_locale_guard __current(loc); 59 return wcrtomb( s, wc, ps ); 60} 61size_t mbrtowc_l( wchar_t *__restrict pwc, const char *__restrict s, 62 size_t n, mbstate_t *__restrict ps, locale_t loc ) 63{ 64 __libcpp_locale_guard __current(loc); 65 return mbrtowc( pwc, s, n, ps ); 66} 67size_t mbsnrtowcs_l( wchar_t *__restrict dst, const char **__restrict src, 68 size_t nms, size_t len, mbstate_t *__restrict ps, locale_t loc ) 69{ 70 __libcpp_locale_guard __current(loc); 71 return mbsnrtowcs( dst, src, nms, len, ps ); 72} 73size_t wcsnrtombs_l( char *__restrict dst, const wchar_t **__restrict src, 74 size_t nwc, size_t len, mbstate_t *__restrict ps, locale_t loc ) 75{ 76 __libcpp_locale_guard __current(loc); 77 return wcsnrtombs( dst, src, nwc, len, ps ); 78} 79wint_t btowc_l( int c, locale_t loc ) 80{ 81 __libcpp_locale_guard __current(loc); 82 return btowc( c ); 83} 84int wctob_l( wint_t c, locale_t loc ) 85{ 86 __libcpp_locale_guard __current(loc); 87 return wctob( c ); 88} 89 90int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...) 91{ 92 va_list ap; 93 va_start( ap, format ); 94#if defined(_LIBCPP_MSVCRT) 95 // FIXME: Remove usage of internal CRT function and globals. 96 int result = __stdio_common_vsprintf( 97 _CRT_INTERNAL_LOCAL_PRINTF_OPTIONS | _CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR, 98 ret, n, format, loc, ap); 99#else 100 __libcpp_locale_guard __current(loc); 101 int result = vsnprintf( ret, n, format, ap ); 102#endif 103 va_end(ap); 104 return result; 105} 106 107int asprintf_l( char **ret, locale_t loc, const char *format, ... ) 108{ 109 va_list ap; 110 va_start( ap, format ); 111 int result = vasprintf_l( ret, loc, format, ap ); 112 va_end(ap); 113 return result; 114} 115int vasprintf_l( char **ret, locale_t loc, const char *format, va_list ap ) 116{ 117 __libcpp_locale_guard __current(loc); 118 return __libcpp_vasprintf( ret, format, ap ); 119} 120 121#if !defined(_LIBCPP_MSVCRT) 122float strtof_l(const char* nptr, char** endptr, locale_t loc) { 123 __libcpp_locale_guard __current(loc); 124 return strtof(nptr, endptr); 125} 126 127long double strtold_l(const char* nptr, char** endptr, locale_t loc) { 128 __libcpp_locale_guard __current(loc); 129 return strtold(nptr, endptr); 130} 131#endif 132 133#if defined(__MINGW32__) && __MSVCRT_VERSION__ < 0x0800 134size_t strftime_l(char *ret, size_t n, const char *format, const struct tm *tm, 135 locale_t loc) { 136 __libcpp_locale_guard __current(loc); 137 return strftime(ret, n, format, tm); 138} 139#endif 140