libcxx/include/__bsd_locale_fallbacks.h

   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 <memory>
  17 #include <stdarg.h>
  18 #include <stdlib.h>
  19
  20 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  21 #  pragma GCC system_header
  22 #endif
  23
  24 _LIBCPP_BEGIN_NAMESPACE_STD
  25
  26 inline _LIBCPP_INLINE_VISIBILITY
  27 decltype(MB_CUR_MAX) __libcpp_mb_cur_max_l(locale_t __l)
  28 {
  29     __libcpp_locale_guard __current(__l);
  30     return MB_CUR_MAX;
  31 }
  32
  33 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
  34 inline _LIBCPP_INLINE_VISIBILITY
  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_INLINE_VISIBILITY
  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_INLINE_VISIBILITY
  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_INLINE_VISIBILITY
  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_INLINE_VISIBILITY
  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_INLINE_VISIBILITY
  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_INLINE_VISIBILITY
  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_INLINE_VISIBILITY
  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 #endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
  93
  94 inline _LIBCPP_INLINE_VISIBILITY
  95 lconv *__libcpp_localeconv_l(locale_t __l)
  96 {
  97     __libcpp_locale_guard __current(__l);
  98     return localeconv();
  99 }
 100
 101 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
 102 inline _LIBCPP_INLINE_VISIBILITY
 103 size_t __libcpp_mbsrtowcs_l(wchar_t *__dest, const char **__src, size_t __len,
 104                      mbstate_t *__ps, locale_t __l)
 105 {
 106     __libcpp_locale_guard __current(__l);
 107     return mbsrtowcs(__dest, __src, __len, __ps);
 108 }
 109 #endif
 110
 111 inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 4, 5)
 112 int __libcpp_snprintf_l(char *__s, size_t __n, locale_t __l, const char *__format, ...) {
 113     va_list __va;
 114     va_start(__va, __format);
 115     __libcpp_locale_guard __current(__l);
 116     int __res = vsnprintf(__s, __n, __format, __va);
 117     va_end(__va);
 118     return __res;
 119 }
 120
 121 inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 3, 4)
 122 int __libcpp_asprintf_l(char **__s, locale_t __l, const char *__format, ...) {
 123     va_list __va;
 124     va_start(__va, __format);
 125     __libcpp_locale_guard __current(__l);
 126     int __res = vasprintf(__s, __format, __va);
 127     va_end(__va);
 128     return __res;
 129 }
 130
 131 inline _LIBCPP_ATTRIBUTE_FORMAT(__scanf__, 3, 4)
 132 int __libcpp_sscanf_l(const char *__s, locale_t __l, const char *__format, ...) {
 133     va_list __va;
 134     va_start(__va, __format);
 135     __libcpp_locale_guard __current(__l);
 136     int __res = vsscanf(__s, __format, __va);
 137     va_end(__va);
 138     return __res;
 139 }
 140
 141 _LIBCPP_END_NAMESPACE_STD
 142
 143 #endif // _LIBCPP___BSD_LOCALE_FALLBACKS_H