| // -*- C++ -*- |
| //===--------------------------- cstddef ----------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_CSTDDEF |
| #define _LIBCPP_CSTDDEF |
| |
| /* |
| cstddef synopsis |
| |
| Macros: |
| |
| offsetof(type,member-designator) |
| NULL |
| |
| namespace std |
| { |
| |
| Types: |
| |
| ptrdiff_t |
| size_t |
| max_align_t |
| nullptr_t |
| |
| } // std |
| |
| */ |
| |
| #include <__config> |
| |
| #ifdef __GLIBC__ |
| #define __need_NULL |
| #define __need_ptrdiff_t |
| #define __need_size_t |
| #endif // __GLIBC__ |
| |
| #include <stddef.h> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| using ::ptrdiff_t; |
| using ::size_t; |
| |
| typedef long double max_align_t; |
| |
| #ifdef _LIBCPP_HAS_NO_NULLPTR |
| |
| struct _LIBCPP_TYPE_VIS_ONLY nullptr_t |
| { |
| void* __lx; |
| |
| struct __nat {int __for_bool_;}; |
| |
| _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t() : __lx(0) {} |
| _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t(int __nat::*) : __lx(0) {} |
| |
| _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR operator int __nat::*() const {return 0;} |
| |
| template <class _Tp> |
| _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR |
| operator _Tp* () const {return 0;} |
| |
| template <class _Tp, class _Up> |
| _LIBCPP_ALWAYS_INLINE |
| operator _Tp _Up::* () const {return 0;} |
| |
| friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator==(nullptr_t, nullptr_t) {return true;} |
| friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator!=(nullptr_t, nullptr_t) {return false;} |
| friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator<(nullptr_t, nullptr_t) {return false;} |
| friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator<=(nullptr_t, nullptr_t) {return true;} |
| friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator>(nullptr_t, nullptr_t) {return false;} |
| friend _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR bool operator>=(nullptr_t, nullptr_t) {return true;} |
| }; |
| |
| inline _LIBCPP_ALWAYS_INLINE _LIBCPP_CONSTEXPR nullptr_t __get_nullptr_t() {return nullptr_t(0);} |
| |
| #define nullptr _VSTD::__get_nullptr_t() |
| |
| #endif // _LIBCPP_HAS_NO_NULLPTR |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #ifndef _LIBCPP_HAS_NO_NULLPTR |
| |
| namespace std |
| { |
| typedef decltype(nullptr) nullptr_t; |
| } |
| |
| #endif // _LIBCPP_HAS_NO_NULLPTR |
| |
| #endif // _LIBCPP_CSTDDEF |