// -*- 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 // //===----------------------------------------------------------------------===// #ifndef _LIBCPP_CWCHAR #define _LIBCPP_CWCHAR /* cwchar synopsis Macros: NULL WCHAR_MAX WCHAR_MIN WEOF namespace std { Types: mbstate_t size_t tm wint_t int fwprintf(FILE* restrict stream, const wchar_t* restrict format, ...); int fwscanf(FILE* restrict stream, const wchar_t* restrict format, ...); int swprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, ...); int swscanf(const wchar_t* restrict s, const wchar_t* restrict format, ...); int vfwprintf(FILE* restrict stream, const wchar_t* restrict format, va_list arg); int vfwscanf(FILE* restrict stream, const wchar_t* restrict format, va_list arg); // C99 int vswprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, va_list arg); int vswscanf(const wchar_t* restrict s, const wchar_t* restrict format, va_list arg); // C99 int vwprintf(const wchar_t* restrict format, va_list arg); int vwscanf(const wchar_t* restrict format, va_list arg); // C99 int wprintf(const wchar_t* restrict format, ...); int wscanf(const wchar_t* restrict format, ...); wint_t fgetwc(FILE* stream); wchar_t* fgetws(wchar_t* restrict s, int n, FILE* restrict stream); wint_t fputwc(wchar_t c, FILE* stream); int fputws(const wchar_t* restrict s, FILE* restrict stream); int fwide(FILE* stream, int mode); wint_t getwc(FILE* stream); wint_t getwchar(); wint_t putwc(wchar_t c, FILE* stream); wint_t putwchar(wchar_t c); wint_t ungetwc(wint_t c, FILE* stream); double wcstod(const wchar_t* restrict nptr, wchar_t** restrict endptr); float wcstof(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99 long double wcstold(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99 long wcstol(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); long long wcstoll(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99 unsigned long wcstoul(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); unsigned long long wcstoull(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99 wchar_t* wcscpy(wchar_t* restrict s1, const wchar_t* restrict s2); wchar_t* wcsncpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); wchar_t* wcscat(wchar_t* restrict s1, const wchar_t* restrict s2); wchar_t* wcsncat(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); int wcscmp(const wchar_t* s1, const wchar_t* s2); int wcscoll(const wchar_t* s1, const wchar_t* s2); int wcsncmp(const wchar_t* s1, const wchar_t* s2, size_t n); size_t wcsxfrm(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); const wchar_t* wcschr(const wchar_t* s, wchar_t c); wchar_t* wcschr( wchar_t* s, wchar_t c); size_t wcscspn(const wchar_t* s1, const wchar_t* s2); size_t wcslen(const wchar_t* s); const wchar_t* wcspbrk(const wchar_t* s1, const wchar_t* s2); wchar_t* wcspbrk( wchar_t* s1, const wchar_t* s2); const wchar_t* wcsrchr(const wchar_t* s, wchar_t c); wchar_t* wcsrchr( wchar_t* s, wchar_t c); size_t wcsspn(const wchar_t* s1, const wchar_t* s2); const wchar_t* wcsstr(const wchar_t* s1, const wchar_t* s2); wchar_t* wcsstr( wchar_t* s1, const wchar_t* s2); wchar_t* wcstok(wchar_t* restrict s1, const wchar_t* restrict s2, wchar_t** restrict ptr); const wchar_t* wmemchr(const wchar_t* s, wchar_t c, size_t n); wchar_t* wmemchr( wchar_t* s, wchar_t c, size_t n); int wmemcmp(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); wchar_t* wmemcpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); wchar_t* wmemmove(wchar_t* s1, const wchar_t* s2, size_t n); wchar_t* wmemset(wchar_t* s, wchar_t c, size_t n); size_t wcsftime(wchar_t* restrict s, size_t maxsize, const wchar_t* restrict format, const tm* restrict timeptr); wint_t btowc(int c); int wctob(wint_t c); int mbsinit(const mbstate_t* ps); size_t mbrlen(const char* restrict s, size_t n, mbstate_t* restrict ps); size_t mbrtowc(wchar_t* restrict pwc, const char* restrict s, size_t n, mbstate_t* restrict ps); size_t wcrtomb(char* restrict s, wchar_t wc, mbstate_t* restrict ps); size_t mbsrtowcs(wchar_t* restrict dst, const char** restrict src, size_t len, mbstate_t* restrict ps); size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len, mbstate_t* restrict ps); } // std */ #include <__config> #include <__type_traits/copy_cv.h> #include <__type_traits/is_constant_evaluated.h> #include <__type_traits/is_equality_comparable.h> #include <__type_traits/is_same.h> #include <__type_traits/remove_cv.h> #include #include #ifndef _LIBCPP_WCHAR_H # error tried including but didn't find libc++'s header. \ This usually means that your header search paths are not configured properly. \ The header search paths should contain the C++ Standard Library headers before \ any C Standard Library, and you are probably using compiler flags that make that \ not be the case. #endif #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) # pragma GCC system_header #endif _LIBCPP_BEGIN_NAMESPACE_STD using ::mbstate_t _LIBCPP_USING_IF_EXISTS; using ::size_t _LIBCPP_USING_IF_EXISTS; using ::tm _LIBCPP_USING_IF_EXISTS; using ::wint_t _LIBCPP_USING_IF_EXISTS; using ::FILE _LIBCPP_USING_IF_EXISTS; using ::fwprintf _LIBCPP_USING_IF_EXISTS; using ::fwscanf _LIBCPP_USING_IF_EXISTS; using ::swprintf _LIBCPP_USING_IF_EXISTS; using ::vfwprintf _LIBCPP_USING_IF_EXISTS; using ::vswprintf _LIBCPP_USING_IF_EXISTS; using ::swscanf _LIBCPP_USING_IF_EXISTS; using ::vfwscanf _LIBCPP_USING_IF_EXISTS; using ::vswscanf _LIBCPP_USING_IF_EXISTS; using ::fgetwc _LIBCPP_USING_IF_EXISTS; using ::fgetws _LIBCPP_USING_IF_EXISTS; using ::fputwc _LIBCPP_USING_IF_EXISTS; using ::fputws _LIBCPP_USING_IF_EXISTS; using ::fwide _LIBCPP_USING_IF_EXISTS; using ::getwc _LIBCPP_USING_IF_EXISTS; using ::putwc _LIBCPP_USING_IF_EXISTS; using ::ungetwc _LIBCPP_USING_IF_EXISTS; using ::wcstod _LIBCPP_USING_IF_EXISTS; using ::wcstof _LIBCPP_USING_IF_EXISTS; using ::wcstold _LIBCPP_USING_IF_EXISTS; using ::wcstol _LIBCPP_USING_IF_EXISTS; #if defined(__FreeBSD__) && defined(__LONG_LONG_SUPPORTED) using ::wcstoll _LIBCPP_USING_IF_EXISTS; #endif using ::wcstoul _LIBCPP_USING_IF_EXISTS; #if defined(__FreeBSD__) && defined(__LONG_LONG_SUPPORTED) using ::wcstoull _LIBCPP_USING_IF_EXISTS; #endif using ::wcscpy _LIBCPP_USING_IF_EXISTS; using ::wcsncpy _LIBCPP_USING_IF_EXISTS; using ::wcscat _LIBCPP_USING_IF_EXISTS; using ::wcsncat _LIBCPP_USING_IF_EXISTS; using ::wcscmp _LIBCPP_USING_IF_EXISTS; using ::wcscoll _LIBCPP_USING_IF_EXISTS; using ::wcsncmp _LIBCPP_USING_IF_EXISTS; using ::wcsxfrm _LIBCPP_USING_IF_EXISTS; using ::wcschr _LIBCPP_USING_IF_EXISTS; using ::wcspbrk _LIBCPP_USING_IF_EXISTS; using ::wcsrchr _LIBCPP_USING_IF_EXISTS; using ::wcsstr _LIBCPP_USING_IF_EXISTS; using ::wmemchr _LIBCPP_USING_IF_EXISTS; using ::wcscspn _LIBCPP_USING_IF_EXISTS; using ::wcslen _LIBCPP_USING_IF_EXISTS; using ::wcsspn _LIBCPP_USING_IF_EXISTS; using ::wcstok _LIBCPP_USING_IF_EXISTS; using ::wmemcmp _LIBCPP_USING_IF_EXISTS; using ::wmemcpy _LIBCPP_USING_IF_EXISTS; using ::wmemmove _LIBCPP_USING_IF_EXISTS; using ::wmemset _LIBCPP_USING_IF_EXISTS; using ::wcsftime _LIBCPP_USING_IF_EXISTS; using ::btowc _LIBCPP_USING_IF_EXISTS; using ::wctob _LIBCPP_USING_IF_EXISTS; using ::mbsinit _LIBCPP_USING_IF_EXISTS; using ::mbrlen _LIBCPP_USING_IF_EXISTS; using ::mbrtowc _LIBCPP_USING_IF_EXISTS; using ::wcrtomb _LIBCPP_USING_IF_EXISTS; using ::mbsrtowcs _LIBCPP_USING_IF_EXISTS; using ::wcsrtombs _LIBCPP_USING_IF_EXISTS; using ::getwchar _LIBCPP_USING_IF_EXISTS; using ::vwscanf _LIBCPP_USING_IF_EXISTS; using ::wscanf _LIBCPP_USING_IF_EXISTS; using ::putwchar _LIBCPP_USING_IF_EXISTS; using ::vwprintf _LIBCPP_USING_IF_EXISTS; using ::wprintf _LIBCPP_USING_IF_EXISTS; inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 size_t __constexpr_wcslen(const wchar_t* __str) { #if __has_builtin(__builtin_wcslen) return __builtin_wcslen(__str); #else if (!__libcpp_is_constant_evaluated()) return std::wcslen(__str); size_t __len = 0; for (; *__str != L'\0'; ++__str) ++__len; return __len; #endif } inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 int __constexpr_wmemcmp(const wchar_t* __lhs, const wchar_t* __rhs, size_t __count) { #if __has_builtin(__builtin_wmemcmp) return __builtin_wmemcmp(__lhs, __rhs, __count); #else if (!__libcpp_is_constant_evaluated()) return std::wmemcmp(__lhs, __rhs, __count); for (; __count; --__count, ++__lhs, ++__rhs) { if (*__lhs < *__rhs) return -1; if (*__rhs < *__lhs) return 1; } return 0; #endif } template _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp* __constexpr_wmemchr(_Tp* __str, _Up __value, size_t __count) { static_assert(sizeof(_Tp) == sizeof(wchar_t)&& _LIBCPP_ALIGNOF(_Tp) >= _LIBCPP_ALIGNOF(wchar_t) && __libcpp_is_trivially_equality_comparable<_Tp, _Tp>::value, "Calling wmemchr on non-trivially equality comparable types is unsafe."); #if __has_builtin(__builtin_wmemchr) if (!__libcpp_is_constant_evaluated()) { wchar_t __value_buffer = 0; __builtin_memcpy(&__value_buffer, &__value, sizeof(wchar_t)); return reinterpret_cast<_Tp*>( __builtin_wmemchr(reinterpret_cast<__copy_cv_t<_Tp, wchar_t>*>(__str), __value_buffer, __count)); } # if _LIBCPP_STD_VER >= 17 else if constexpr (is_same_v, wchar_t>) return __builtin_wmemchr(__str, __value, __count); # endif #endif // __has_builtin(__builtin_wmemchr) for (; __count; --__count) { if (*__str == __value) return __str; ++__str; } return nullptr; } _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP_CWCHAR