diff options
Diffstat (limited to 'libcxx/include/cwchar')
| -rw-r--r-- | libcxx/include/cwchar | 58 |
1 files changed, 31 insertions, 27 deletions
diff --git a/libcxx/include/cwchar b/libcxx/include/cwchar index f5a26664c1c3..4a4b052831a9 100644 --- a/libcxx/include/cwchar +++ b/libcxx/include/cwchar @@ -102,28 +102,31 @@ size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len, */ -#include <__config> -#include <__cstddef/size_t.h> -#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 <cwctype> +#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) +# include <__cxx03/cwchar> +#else +# include <__config> +# include <__cstddef/size_t.h> +# 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 <cwctype> -#include <wchar.h> +# include <wchar.h> -#ifndef _LIBCPP_WCHAR_H +# ifndef _LIBCPP_WCHAR_H # error <cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> 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 +# endif -#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) -# pragma GCC system_header -#endif +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif _LIBCPP_BEGIN_NAMESPACE_STD @@ -194,9 +197,9 @@ 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) +# if __has_builtin(__builtin_wcslen) return __builtin_wcslen(__str); -#else +# else if (!__libcpp_is_constant_evaluated()) return std::wcslen(__str); @@ -204,14 +207,14 @@ inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 size_t __constexpr_wc for (; *__str != L'\0'; ++__str) ++__len; return __len; -#endif +# 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) +# if __has_builtin(__builtin_wmemcmp) return __builtin_wmemcmp(__lhs, __rhs, __count); -#else +# else if (!__libcpp_is_constant_evaluated()) return std::wmemcmp(__lhs, __rhs, __count); @@ -222,7 +225,7 @@ __constexpr_wmemcmp(const wchar_t* __lhs, const wchar_t* __rhs, size_t __count) return 1; } return 0; -#endif +# endif } template <class _Tp, class _Up> @@ -231,18 +234,18 @@ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp* __constexpr_wmemchr(_Tp __libcpp_is_trivially_equality_comparable<_Tp, _Tp>::value, "Calling wmemchr on non-trivially equality comparable types is unsafe."); -#if __has_builtin(__builtin_wmemchr) +# 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 +# if _LIBCPP_STD_VER >= 17 else if constexpr (is_same_v<remove_cv_t<_Tp>, wchar_t>) return __builtin_wmemchr(__str, __value, __count); -# endif -#endif // __has_builtin(__builtin_wmemchr) +# endif +# endif // __has_builtin(__builtin_wmemchr) for (; __count; --__count) { if (*__str == __value) @@ -254,8 +257,9 @@ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp* __constexpr_wmemchr(_Tp _LIBCPP_END_NAMESPACE_STD -#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 -# include <cstddef> -#endif +# if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 +# include <cstddef> +# endif +#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) #endif // _LIBCPP_CWCHAR |