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comparison 3rdparty/vmime/cmake/cmake-cxx11/Tests/Module/CXX11Features/cxx11features.cxx @ 0:a4671277546c tip

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created the repository for the thymian project
author ferencd
date Tue, 17 Aug 2021 11:19:54 +0200
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-1:000000000000 0:a4671277546c
1 #if defined(HAS_CXX0X_CSTDINT_H)
2 #include <cstdint>
3 #endif
4
5 #include <sys/types.h>
6
7 struct thing {
8 unsigned char one;
9 #if defined(HAS_CXX0X_CSTDINT_H)
10 uint32_t four;
11 #endif
12 #if defined(HAS_CXX0X_LONG_LONG)
13 long long eight;
14 #endif
15 };
16
17 #include <stdio.h>
18
19 int main()
20 {
21 #if defined (HAS_CXX0X_NULLPTR)
22 void *nix = nullptr;
23 #else /* HAS_CXX0X_NULLPTR */
24 void *nix = 0;
25 #endif /* HAS_CXX0X_NULLPTR */
26
27 #if defined(HAS_CXX0X_STATIC_ASSERT)
28 static_assert(1 < 42, "Your C++ compiler is b0rked");
29 #endif /* HAS_CXX0X_STATIC_ASSERT */
30
31 #if defined(HAS_CXX0X_FUNC)
32 const char *funcname = __func__;
33 printf("the name of main() function is: %s\n", funcname);
34 #endif /* HAS_CXX0X_FUNC */
35
36 #if defined(HAS_CXX0X_SIZEOF_MEMBER)
37 size_t onesize = sizeof(thing::one);
38 #if defined(HAS_CXX0X_STATIC_ASSERT)
39 static_assert(sizeof(thing::one) == 1, "Your char is not one byte long");
40 #endif /* HAS_CXX0X_STATIC_ASSERT */
41
42 #if defined(HAS_CXX0X_CSTDINT_H)
43 size_t foursize = sizeof(thing::four);
44 #if defined(HAS_CXX0X_STATIC_ASSERT)
45 static_assert(sizeof(thing::four) == 4, "Your uint32_t is not 32 bit long");
46 #endif /* HAS_CXX0X_STATIC_ASSERT */
47 #endif /* HAS_CXX0X_CSTDINT_H */
48 #if defined(HAS_CXX0X_LONG_LONG)
49 size_t eightsize = sizeof(thing::eight);
50 #if defined(HAS_CXX0X_STATIC_ASSERT)
51 static_assert(sizeof(thing::eight) == 8, "Your long long is not 64 bit long");
52 #endif /* HAS_CXX0X_STATIC_ASSERT */
53 #endif /* HAS_CXX0X_LONG_LONG */
54 #endif /* HAS_CXX0X_SIZEOF_MEMBER */
55
56 return 0;
57 }