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 // test <stdlib.h>
11 
12 #include <stdlib.h>
13 #include <type_traits>
14 
15 #ifndef EXIT_FAILURE
16 #error EXIT_FAILURE not defined
17 #endif
18 
19 #ifndef EXIT_SUCCESS
20 #error EXIT_SUCCESS not defined
21 #endif
22 
23 #ifndef MB_CUR_MAX
24 #error MB_CUR_MAX not defined
25 #endif
26 
27 #ifndef NULL
28 #error NULL not defined
29 #endif
30 
31 #ifndef RAND_MAX
32 #error RAND_MAX not defined
33 #endif
34 
main()35 int main()
36 {
37     size_t s = 0; ((void)s);
38     div_t d; ((void)d);
39     ldiv_t ld; ((void)ld);
40     lldiv_t lld; ((void)lld);
41     char** endptr = 0;
42     static_assert((std::is_same<decltype(atof("")), double>::value), "");
43     static_assert((std::is_same<decltype(atoi("")), int>::value), "");
44     static_assert((std::is_same<decltype(atol("")), long>::value), "");
45     static_assert((std::is_same<decltype(atoll("")), long long>::value), "");
46     static_assert((std::is_same<decltype(getenv("")), char*>::value), "");
47     static_assert((std::is_same<decltype(strtod("", endptr)), double>::value), "");
48     static_assert((std::is_same<decltype(strtof("", endptr)), float>::value), "");
49     static_assert((std::is_same<decltype(strtold("", endptr)), long double>::value), "");
50     static_assert((std::is_same<decltype(strtol("", endptr,0)), long>::value), "");
51     static_assert((std::is_same<decltype(strtoll("", endptr,0)), long long>::value), "");
52     static_assert((std::is_same<decltype(strtoul("", endptr,0)), unsigned long>::value), "");
53     static_assert((std::is_same<decltype(strtoull("", endptr,0)), unsigned long long>::value), "");
54     static_assert((std::is_same<decltype(rand()), int>::value), "");
55     static_assert((std::is_same<decltype(srand(0)), void>::value), "");
56     static_assert((std::is_same<decltype(calloc(0,0)), void*>::value), "");
57     static_assert((std::is_same<decltype(free(0)), void>::value), "");
58     static_assert((std::is_same<decltype(malloc(0)), void*>::value), "");
59     static_assert((std::is_same<decltype(realloc(0,0)), void*>::value), "");
60     static_assert((std::is_same<decltype(abort()), void>::value), "");
61     static_assert((std::is_same<decltype(atexit(0)), int>::value), "");
62     static_assert((std::is_same<decltype(exit(0)), void>::value), "");
63     static_assert((std::is_same<decltype(_Exit(0)), void>::value), "");
64     static_assert((std::is_same<decltype(getenv("")), char*>::value), "");
65     static_assert((std::is_same<decltype(system("")), int>::value), "");
66     static_assert((std::is_same<decltype(bsearch(0,0,0,0,0)), void*>::value), "");
67     static_assert((std::is_same<decltype(qsort(0,0,0,0)), void>::value), "");
68     static_assert((std::is_same<decltype(abs(0)), int>::value), "");
69     static_assert((std::is_same<decltype(labs((long)0)), long>::value), "");
70     static_assert((std::is_same<decltype(llabs((long long)0)), long long>::value), "");
71     static_assert((std::is_same<decltype(div(0,0)), div_t>::value), "");
72     static_assert((std::is_same<decltype(ldiv(0L,0L)), ldiv_t>::value), "");
73     static_assert((std::is_same<decltype(lldiv(0LL,0LL)), lldiv_t>::value), "");
74     wchar_t* pw = 0;
75     const wchar_t* pwc = 0;
76     char* pc = 0;
77 #ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
78     static_assert((std::is_same<decltype(mblen("",0)), int>::value), "");
79     static_assert((std::is_same<decltype(mbtowc(pw,"",0)), int>::value), "");
80     static_assert((std::is_same<decltype(wctomb(pc,L' ')), int>::value), "");
81 #endif
82     static_assert((std::is_same<decltype(mbstowcs(pw,"",0)), size_t>::value), "");
83     static_assert((std::is_same<decltype(wcstombs(pc,pwc,0)), size_t>::value), "");
84 }
85