19729cf09SDimitry Andric // -*- C++ -*- 29729cf09SDimitry Andric //===--------------------------- stddef.h ---------------------------------===// 39729cf09SDimitry Andric // 49729cf09SDimitry Andric // The LLVM Compiler Infrastructure 59729cf09SDimitry Andric // 69729cf09SDimitry Andric // This file is dual licensed under the MIT and the University of Illinois Open 79729cf09SDimitry Andric // Source Licenses. See LICENSE.TXT for details. 89729cf09SDimitry Andric // 99729cf09SDimitry Andric //===----------------------------------------------------------------------===// 109729cf09SDimitry Andric 119729cf09SDimitry Andric #if defined(__need_ptrdiff_t) || defined(__need_size_t) || \ 129729cf09SDimitry Andric defined(__need_wchar_t) || defined(__need_NULL) || defined(__need_wint_t) 139729cf09SDimitry Andric 149729cf09SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 159729cf09SDimitry Andric #pragma GCC system_header 169729cf09SDimitry Andric #endif 179729cf09SDimitry Andric 189729cf09SDimitry Andric #include_next <stddef.h> 199729cf09SDimitry Andric 209729cf09SDimitry Andric #elif !defined(_LIBCPP_STDDEF_H) 219729cf09SDimitry Andric #define _LIBCPP_STDDEF_H 229729cf09SDimitry Andric 239729cf09SDimitry Andric /* 249729cf09SDimitry Andric stddef.h synopsis 259729cf09SDimitry Andric 269729cf09SDimitry Andric Macros: 279729cf09SDimitry Andric 289729cf09SDimitry Andric offsetof(type,member-designator) 299729cf09SDimitry Andric NULL 309729cf09SDimitry Andric 319729cf09SDimitry Andric Types: 329729cf09SDimitry Andric 339729cf09SDimitry Andric ptrdiff_t 349729cf09SDimitry Andric size_t 359729cf09SDimitry Andric max_align_t 369729cf09SDimitry Andric nullptr_t 379729cf09SDimitry Andric 389729cf09SDimitry Andric */ 399729cf09SDimitry Andric 409729cf09SDimitry Andric #include <__config> 419729cf09SDimitry Andric 429729cf09SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 439729cf09SDimitry Andric #pragma GCC system_header 449729cf09SDimitry Andric #endif 459729cf09SDimitry Andric 469729cf09SDimitry Andric #include_next <stddef.h> 479729cf09SDimitry Andric 489729cf09SDimitry Andric #ifdef __cplusplus 499729cf09SDimitry Andric 509729cf09SDimitry Andric extern "C++" { 519729cf09SDimitry Andric #include <__nullptr> 529729cf09SDimitry Andric using std::nullptr_t; 539729cf09SDimitry Andric } 549729cf09SDimitry Andric 559729cf09SDimitry Andric // Re-use the compiler's <stddef.h> max_align_t where possible. 56540d2a8bSDimitry Andric #if !defined(__CLANG_MAX_ALIGN_T_DEFINED) && !defined(_GCC_MAX_ALIGN_T) && \ 57*b5893f02SDimitry Andric !defined(__DEFINED_max_align_t) && !defined(__NetBSD__) 589729cf09SDimitry Andric typedef long double max_align_t; 599729cf09SDimitry Andric #endif 609729cf09SDimitry Andric 619729cf09SDimitry Andric #endif 629729cf09SDimitry Andric 639729cf09SDimitry Andric #endif // _LIBCPP_STDDEF_H 64