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      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 <stdarg.h>
     19 #include <memory>
     20 
     21 _LIBCPP_BEGIN_NAMESPACE_STD
     22 
     23 inline _LIBCPP_ALWAYS_INLINE
     24 decltype(MB_CUR_MAX) __libcpp_mb_cur_max_l(locale_t __l)
     25 {
     26     __libcpp_locale_guard __current(__l);
     27     return MB_CUR_MAX;
     28 }
     29 
     30 inline _LIBCPP_ALWAYS_INLINE
     31 wint_t __libcpp_btowc_l(int __c, locale_t __l)
     32 {
     33     __libcpp_locale_guard __current(__l);
     34     return btowc(__c);
     35 }
     36 
     37 inline _LIBCPP_ALWAYS_INLINE
     38 int __libcpp_wctob_l(wint_t __c, locale_t __l)
     39 {
     40     __libcpp_locale_guard __current(__l);
     41     return wctob(__c);
     42 }
     43 
     44 inline _LIBCPP_ALWAYS_INLINE
     45 size_t __libcpp_wcsnrtombs_l(char *__dest, const wchar_t **__src, size_t __nwc,
     46                          size_t __len, mbstate_t *__ps, locale_t __l)
     47 {
     48     __libcpp_locale_guard __current(__l);
     49     return wcsnrtombs(__dest, __src, __nwc, __len, __ps);
     50 }
     51 
     52 inline _LIBCPP_ALWAYS_INLINE
     53 size_t __libcpp_wcrtomb_l(char *__s, wchar_t __wc, mbstate_t *__ps, locale_t __l)
     54 {
     55     __libcpp_locale_guard __current(__l);
     56     return wcrtomb(__s, __wc, __ps);
     57 }
     58 
     59 inline _LIBCPP_ALWAYS_INLINE
     60 size_t __libcpp_mbsnrtowcs_l(wchar_t * __dest, const char **__src, size_t __nms,
     61                       size_t __len, mbstate_t *__ps, locale_t __l)
     62 {
     63     __libcpp_locale_guard __current(__l);
     64     return mbsnrtowcs(__dest, __src, __nms, __len, __ps);
     65 }
     66 
     67 inline _LIBCPP_ALWAYS_INLINE
     68 size_t __libcpp_mbrtowc_l(wchar_t *__pwc, const char *__s, size_t __n,
     69                    mbstate_t *__ps, locale_t __l)
     70 {
     71     __libcpp_locale_guard __current(__l);
     72     return mbrtowc(__pwc, __s, __n, __ps);
     73 }
     74 
     75 inline _LIBCPP_ALWAYS_INLINE
     76 int __libcpp_mbtowc_l(wchar_t *__pwc, const char *__pmb, size_t __max, locale_t __l)
     77 {
     78     __libcpp_locale_guard __current(__l);
     79     return mbtowc(__pwc, __pmb, __max);
     80 }
     81 
     82 inline _LIBCPP_ALWAYS_INLINE
     83 size_t __libcpp_mbrlen_l(const char *__s, size_t __n, mbstate_t *__ps, locale_t __l)
     84 {
     85     __libcpp_locale_guard __current(__l);
     86     return mbrlen(__s, __n, __ps);
     87 }
     88 
     89 inline _LIBCPP_ALWAYS_INLINE
     90 lconv *__libcpp_localeconv_l(locale_t __l)
     91 {
     92     __libcpp_locale_guard __current(__l);
     93     return localeconv();
     94 }
     95 
     96 inline _LIBCPP_ALWAYS_INLINE
     97 size_t __libcpp_mbsrtowcs_l(wchar_t *__dest, const char **__src, size_t __len,
     98                      mbstate_t *__ps, locale_t __l)
     99 {
    100     __libcpp_locale_guard __current(__l);
    101     return mbsrtowcs(__dest, __src, __len, __ps);
    102 }
    103 
    104 inline
    105 int __libcpp_snprintf_l(char *__s, size_t __n, locale_t __l, const char *__format, ...) {
    106     va_list __va;
    107     va_start(__va, __format);
    108     __libcpp_locale_guard __current(__l);
    109     int __res = vsnprintf(__s, __n, __format, __va);
    110     va_end(__va);
    111     return __res;
    112 }
    113 
    114 inline
    115 int __libcpp_asprintf_l(char **__s, locale_t __l, const char *__format, ...) {
    116     va_list __va;
    117     va_start(__va, __format);
    118     __libcpp_locale_guard __current(__l);
    119     int __res = vasprintf(__s, __format, __va);
    120     va_end(__va);
    121     return __res;
    122 }
    123 
    124 inline
    125 int __libcpp_sscanf_l(const char *__s, locale_t __l, const char *__format, ...) {
    126     va_list __va;
    127     va_start(__va, __format);
    128     __libcpp_locale_guard __current(__l);
    129     int __res = vsscanf(__s, __format, __va);
    130     va_end(__va);
    131     return __res;
    132 }
    133 
    134 _LIBCPP_END_NAMESPACE_STD
    135 
    136 #endif // _LIBCPP_BSD_LOCALE_FALLBACKS_DEFAULTS_H
    137