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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// The BSDs have lots of *_l functions. This file provides reimplementations
// of those functions for non-BSD platforms.
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_BSD_LOCALE_FALLBACKS_H
#define _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_BSD_LOCALE_FALLBACKS_H
#include <locale.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#if _LIBCPP_HAS_WIDE_CHARACTERS
# include <cwchar>
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
struct __locale_guard {
_LIBCPP_HIDE_FROM_ABI __locale_guard(locale_t& __loc) : __old_loc_(::uselocale(__loc)) {}
_LIBCPP_HIDE_FROM_ABI ~__locale_guard() {
if (__old_loc_)
::uselocale(__old_loc_);
}
locale_t __old_loc_;
__locale_guard(__locale_guard const&) = delete;
__locale_guard& operator=(__locale_guard const&) = delete;
};
inline _LIBCPP_HIDE_FROM_ABI decltype(MB_CUR_MAX) __libcpp_mb_cur_max_l(locale_t __l) {
__locale_guard __current(__l);
return MB_CUR_MAX;
}
#if _LIBCPP_HAS_WIDE_CHARACTERS
inline _LIBCPP_HIDE_FROM_ABI wint_t __libcpp_btowc_l(int __c, locale_t __l) {
__locale_guard __current(__l);
return btowc(__c);
}
inline _LIBCPP_HIDE_FROM_ABI int __libcpp_wctob_l(wint_t __c, locale_t __l) {
__locale_guard __current(__l);
return wctob(__c);
}
inline _LIBCPP_HIDE_FROM_ABI size_t
__libcpp_wcsnrtombs_l(char* __dest, const wchar_t** __src, size_t __nwc, size_t __len, mbstate_t* __ps, locale_t __l) {
__locale_guard __current(__l);
return wcsnrtombs(__dest, __src, __nwc, __len, __ps);
}
inline _LIBCPP_HIDE_FROM_ABI size_t __libcpp_wcrtomb_l(char* __s, wchar_t __wc, mbstate_t* __ps, locale_t __l) {
__locale_guard __current(__l);
return wcrtomb(__s, __wc, __ps);
}
inline _LIBCPP_HIDE_FROM_ABI size_t
__libcpp_mbsnrtowcs_l(wchar_t* __dest, const char** __src, size_t __nms, size_t __len, mbstate_t* __ps, locale_t __l) {
__locale_guard __current(__l);
return mbsnrtowcs(__dest, __src, __nms, __len, __ps);
}
inline _LIBCPP_HIDE_FROM_ABI size_t
__libcpp_mbrtowc_l(wchar_t* __pwc, const char* __s, size_t __n, mbstate_t* __ps, locale_t __l) {
__locale_guard __current(__l);
return mbrtowc(__pwc, __s, __n, __ps);
}
inline _LIBCPP_HIDE_FROM_ABI int __libcpp_mbtowc_l(wchar_t* __pwc, const char* __pmb, size_t __max, locale_t __l) {
__locale_guard __current(__l);
return mbtowc(__pwc, __pmb, __max);
}
inline _LIBCPP_HIDE_FROM_ABI size_t __libcpp_mbrlen_l(const char* __s, size_t __n, mbstate_t* __ps, locale_t __l) {
__locale_guard __current(__l);
return mbrlen(__s, __n, __ps);
}
#endif // _LIBCPP_HAS_WIDE_CHARACTERS
inline _LIBCPP_HIDE_FROM_ABI lconv* __libcpp_localeconv_l(locale_t& __l) {
__locale_guard __current(__l);
return localeconv();
}
#if _LIBCPP_HAS_WIDE_CHARACTERS
inline _LIBCPP_HIDE_FROM_ABI size_t
__libcpp_mbsrtowcs_l(wchar_t* __dest, const char** __src, size_t __len, mbstate_t* __ps, locale_t __l) {
__locale_guard __current(__l);
return mbsrtowcs(__dest, __src, __len, __ps);
}
#endif
inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 4, 5) int __libcpp_snprintf_l(
char* __s, size_t __n, locale_t __l, const char* __format, ...) {
va_list __va;
va_start(__va, __format);
__locale_guard __current(__l);
int __res = vsnprintf(__s, __n, __format, __va);
va_end(__va);
return __res;
}
inline _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 3, 4) int __libcpp_asprintf_l(
char** __s, locale_t __l, const char* __format, ...) {
va_list __va;
va_start(__va, __format);
__locale_guard __current(__l);
int __res = vasprintf(__s, __format, __va);
va_end(__va);
return __res;
}
inline _LIBCPP_ATTRIBUTE_FORMAT(__scanf__, 3, 4) int __libcpp_sscanf_l(
const char* __s, locale_t __l, const char* __format, ...) {
va_list __va;
va_start(__va, __format);
__locale_guard __current(__l);
int __res = vsscanf(__s, __format, __va);
va_end(__va);
return __res;
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_BSD_LOCALE_FALLBACKS_H
|
