| // -*- C++ -*- |
| //===--------------------------- stddef.h ---------------------------------===// |
| // |
| // 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. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #if defined(__need_ptrdiff_t) || defined(__need_size_t) || \ |
| defined(__need_wchar_t) || defined(__need_NULL) || defined(__need_wint_t) |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| #include_next <stddef.h> |
| |
| #elif !defined(_LIBCPP_STDDEF_H) |
| #define _LIBCPP_STDDEF_H |
| |
| /* |
| stddef.h synopsis |
| |
| Macros: |
| |
| offsetof(type,member-designator) |
| NULL |
| |
| Types: |
| |
| ptrdiff_t |
| size_t |
| max_align_t |
| nullptr_t |
| |
| */ |
| |
| #include <__config> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| #include_next <stddef.h> |
| |
| #ifdef __cplusplus |
| |
| extern "C++" { |
| #include <__nullptr> |
| using std::nullptr_t; |
| } |
| |
| // Re-use the compiler's <stddef.h> max_align_t where possible. |
| #if !defined(__CLANG_MAX_ALIGN_T_DEFINED) && !defined(_GCC_MAX_ALIGN_T) && \ |
| !defined(__DEFINED_max_align_t) |
| typedef long double max_align_t; |
| #endif |
| |
| #endif |
| |
| #endif // _LIBCPP_STDDEF_H |