1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <stddef.h>
11 
12 #include <stddef.h>
13 #include <type_traits>
14 
15 #ifndef NULL
16 #error NULL not defined
17 #endif
18 
19 #ifndef offsetof
20 #error offsetof not defined
21 #endif
22 
main()23 int main()
24 {
25     static_assert(sizeof(size_t) == sizeof(void*),
26                   "sizeof(size_t) == sizeof(void*)");
27     static_assert(std::is_unsigned<size_t>::value,
28                   "std::is_unsigned<size_t>::value");
29     static_assert(std::is_integral<size_t>::value,
30                   "std::is_integral<size_t>::value");
31     static_assert(sizeof(ptrdiff_t) == sizeof(void*),
32                   "sizeof(ptrdiff_t) == sizeof(void*)");
33     static_assert(std::is_signed<ptrdiff_t>::value,
34                   "std::is_signed<ptrdiff_t>::value");
35     static_assert(std::is_integral<ptrdiff_t>::value,
36                   "std::is_integral<ptrdiff_t>::value");
37 }
38