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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 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
     22 #pragma GCC system_header
     23 #endif
     24 
     25 _LIBCPP_BEGIN_NAMESPACE_STD
     26 
     27 inline _LIBCPP_ALWAYS_INLINE
     28 decltype(MB_CUR_MAX) __libcpp_mb_cur_max_l(locale_t __l)
     29 {
     30     __libcpp_locale_guard __current(__l);
     31     return MB_CUR_MAX;
     32 }
     33 
     34 inline _LIBCPP_ALWAYS_INLINE
     35 wint_t __libcpp_btowc_l(int __c, locale_t __l)
     36 {
     37     __libcpp_locale_guard __current(__l);
     38     return btowc(__c);
     39 }
     40 
     41 inline _LIBCPP_ALWAYS_INLINE
     42 int __libcpp_wctob_l(wint_t __c, locale_t __l)
     43 {
     44     __libcpp_locale_guard __current(__l);
     45     return wctob(__c);
     46 }
     47 
     48 inline _LIBCPP_ALWAYS_INLINE
     49 size_t __libcpp_wcsnrtombs_l(char *__dest, const wchar_t **__src, size_t __nwc,
     50                          size_t __len, mbstate_t *__ps, locale_t __l)
     51 {
     52     __libcpp_locale_guard __current(__l);
     53     return wcsnrtombs(__dest, __src, __nwc, __len, __ps);
     54 }
     55 
     56 inline _LIBCPP_ALWAYS_INLINE
     57 size_t __libcpp_wcrtomb_l(char *__s, wchar_t __wc, mbstate_t *__ps, locale_t __l)
     58 {
     59     __libcpp_locale_guard __current(__l);
     60     return wcrtomb(__s, __wc, __ps);
     61 }
     62 
     63 inline _LIBCPP_ALWAYS_INLINE
     64 size_t __libcpp_mbsnrtowcs_l(wchar_t * __dest, const char **__src, size_t __nms,
     65                       size_t __len, mbstate_t *__ps, locale_t __l)
     66 {
     67     __libcpp_locale_guard __current(__l);
     68     return mbsnrtowcs(__dest, __src, __nms, __len, __ps);
     69 }
     70 
     71 inline _LIBCPP_ALWAYS_INLINE
     72 size_t __libcpp_mbrtowc_l(wchar_t *__pwc, const char *__s, size_t __n,
     73                    mbstate_t *__ps, locale_t __l)
     74 {
     75     __libcpp_locale_guard __current(__l);
     76     return mbrtowc(__pwc, __s, __n, __ps);
     77 }
     78 
     79 inline _LIBCPP_ALWAYS_INLINE
     80 int __libcpp_mbtowc_l(wchar_t *__pwc, const char *__pmb, size_t __max, locale_t __l)
     81 {
     82     __libcpp_locale_guard __current(__l);
     83     return mbtowc(__pwc, __pmb, __max);
     84 }
     85 
     86 inline _LIBCPP_ALWAYS_INLINE
     87 size_t __libcpp_mbrlen_l(const char *__s, size_t __n, mbstate_t *__ps, locale_t __l)
     88 {
     89     __libcpp_locale_guard __current(__l);
     90     return mbrlen(__s, __n, __ps);
     91 }
     92 
     93 inline _LIBCPP_ALWAYS_INLINE
     94 lconv *__libcpp_localeconv_l(locale_t __l)
     95 {
     96     __libcpp_locale_guard __current(__l);
     97     return localeconv();
     98 }
     99 
    100 inline _LIBCPP_ALWAYS_INLINE
    101 size_t __libcpp_mbsrtowcs_l(wchar_t *__dest, const char **__src, size_t __len,
    102                      mbstate_t *__ps, locale_t __l)
    103 {
    104     __libcpp_locale_guard __current(__l);
    105     return mbsrtowcs(__dest, __src, __len, __ps);
    106 }
    107 
    108 inline
    109 int __libcpp_snprintf_l(char *__s, size_t __n, locale_t __l, const char *__format, ...) {
    110     va_list __va;
    111     va_start(__va, __format);
    112     __libcpp_locale_guard __current(__l);
    113     int __res = vsnprintf(__s, __n, __format, __va);
    114     va_end(__va);
    115     return __res;
    116 }
    117 
    118 inline
    119 int __libcpp_asprintf_l(char **__s, locale_t __l, const char *__format, ...) {
    120     va_list __va;
    121     va_start(__va, __format);
    122     __libcpp_locale_guard __current(__l);
    123     int __res = vasprintf(__s, __format, __va);
    124     va_end(__va);
    125     return __res;
    126 }
    127 
    128 inline
    129 int __libcpp_sscanf_l(const char *__s, locale_t __l, const char *__format, ...) {
    130     va_list __va;
    131     va_start(__va, __format);
    132     __libcpp_locale_guard __current(__l);
    133     int __res = vsscanf(__s, __format, __va);
    134     va_end(__va);
    135     return __res;
    136 }
    137 
    138 _LIBCPP_END_NAMESPACE_STD
    139 
    140 #endif // _LIBCPP_BSD_LOCALE_FALLBACKS_DEFAULTS_H
    141