1 // -*- C++ -*- 2 //===--------------------------- stddef.h ---------------------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 #if defined(__need_ptrdiff_t) || defined(__need_size_t) || \ 12 defined(__need_wchar_t) || defined(__need_NULL) || defined(__need_wint_t) 13 14 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 15 #pragma GCC system_header 16 #endif 17 18 #include_next <stddef.h> 19 20 #elif !defined(_LIBCPP_STDDEF_H) 21 #define _LIBCPP_STDDEF_H 22 23 /* 24 stddef.h synopsis 25 26 Macros: 27 28 offsetof(type,member-designator) 29 NULL 30 31 Types: 32 33 ptrdiff_t 34 size_t 35 max_align_t 36 nullptr_t 37 38 */ 39 40 #include <__config> 41 42 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 43 #pragma GCC system_header 44 #endif 45 46 #include_next <stddef.h> 47 48 #ifdef __cplusplus 49 50 extern "C++" { 51 #include <__nullptr> 52 using std::nullptr_t; 53 } 54 55 // Re-use the compiler's <stddef.h> max_align_t where possible. 56 #if !defined(__CLANG_MAX_ALIGN_T_DEFINED) && !defined(_GCC_MAX_ALIGN_T) && \ 57 !defined(__DEFINED_max_align_t) 58 typedef long double max_align_t; 59 #endif 60 61 #endif 62 63 #endif // _LIBCPP_STDDEF_H 64
