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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 <cstdarg> // va_start, va_end
#include <locale>
#include <memory>
#include <type_traits>
#include <__locale_dir/locale_base_api/locale_guard.h>
int __libcpp_vasprintf(char** sptr, const char* __restrict fmt, va_list ap);
using std::__libcpp_locale_guard;
// FIXME: base and mask 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);
_LIBCPP_DIAGNOSTIC_PUSH
_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wformat-nonliteral")
int result = vsnprintf(ret, n, format, ap);
_LIBCPP_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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