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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include <locale>
#include <cstdarg> // va_start, va_end
#include <memory>
#include <type_traits>
int __libcpp_vasprintf(char **sptr, const char *__restrict fmt, va_list ap);
using std::__libcpp_locale_guard;
// FIXME: base currently unused. Needs manual work to construct the new locale
locale_t newlocale( int mask, const char * locale, locale_t /*base*/ )
{
return {_create_locale( LC_ALL, locale ), locale};
}
decltype(MB_CUR_MAX) MB_CUR_MAX_L( locale_t __l )
{
#if defined(_LIBCPP_MSVCRT)
return ___mb_cur_max_l_func(__l);
#else
__libcpp_locale_guard __current(__l);
return MB_CUR_MAX;
#endif
}
lconv *localeconv_l( locale_t &loc )
{
__libcpp_locale_guard __current(loc);
lconv *lc = localeconv();
if (!lc)
return lc;
return loc.__store_lconv(lc);
}
size_t mbrlen_l( const char *__restrict s, size_t n,
mbstate_t *__restrict ps, locale_t loc )
{
__libcpp_locale_guard __current(loc);
return mbrlen( s, n, ps );
}
size_t mbsrtowcs_l( wchar_t *__restrict dst, const char **__restrict src,
size_t len, mbstate_t *__restrict ps, locale_t loc )
{
__libcpp_locale_guard __current(loc);
return mbsrtowcs( dst, src, len, ps );
}
size_t wcrtomb_l( char *__restrict s, wchar_t wc, mbstate_t *__restrict ps,
locale_t loc )
{
__libcpp_locale_guard __current(loc);
return wcrtomb( s, wc, ps );
}
size_t mbrtowc_l( wchar_t *__restrict pwc, const char *__restrict s,
size_t n, mbstate_t *__restrict ps, locale_t loc )
{
__libcpp_locale_guard __current(loc);
return mbrtowc( pwc, s, n, ps );
}
size_t mbsnrtowcs_l( wchar_t *__restrict dst, const char **__restrict src,
size_t nms, size_t len, mbstate_t *__restrict ps, locale_t loc )
{
__libcpp_locale_guard __current(loc);
return mbsnrtowcs( dst, src, nms, len, ps );
}
size_t wcsnrtombs_l( char *__restrict dst, const wchar_t **__restrict src,
size_t nwc, size_t len, mbstate_t *__restrict ps, locale_t loc )
{
__libcpp_locale_guard __current(loc);
return wcsnrtombs( dst, src, nwc, len, ps );
}
wint_t btowc_l( int c, locale_t loc )
{
__libcpp_locale_guard __current(loc);
return btowc( c );
}
int wctob_l( wint_t c, locale_t loc )
{
__libcpp_locale_guard __current(loc);
return wctob( c );
}
int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...)
{
va_list ap;
va_start( ap, format );
#if defined(_LIBCPP_MSVCRT)
// FIXME: Remove usage of internal CRT function and globals.
int result = __stdio_common_vsprintf(
_CRT_INTERNAL_LOCAL_PRINTF_OPTIONS | _CRT_INTERNAL_PRINTF_STANDARD_SNPRINTF_BEHAVIOR,
ret, n, format, loc, ap);
#else
__libcpp_locale_guard __current(loc);
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wformat-nonliteral"
int result = vsnprintf( ret, n, format, ap );
#pragma clang diagnostic pop
#endif
va_end(ap);
return result;
}
int asprintf_l( char **ret, locale_t loc, const char *format, ... )
{
va_list ap;
va_start( ap, format );
int result = vasprintf_l( ret, loc, format, ap );
va_end(ap);
return result;
}
int vasprintf_l( char **ret, locale_t loc, const char *format, va_list ap )
{
__libcpp_locale_guard __current(loc);
return __libcpp_vasprintf( ret, format, ap );
}
#if !defined(_LIBCPP_MSVCRT)
float strtof_l(const char* nptr, char** endptr, locale_t loc) {
__libcpp_locale_guard __current(loc);
return strtof(nptr, endptr);
}
long double strtold_l(const char* nptr, char** endptr, locale_t loc) {
__libcpp_locale_guard __current(loc);
return strtold(nptr, endptr);
}
#endif
#if defined(__MINGW32__) && __MSVCRT_VERSION__ < 0x0800
size_t strftime_l(char *ret, size_t n, const char *format, const struct tm *tm,
locale_t loc) {
__libcpp_locale_guard __current(loc);
return strftime(ret, n, format, tm);
}
#endif
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