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