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 // As of 1/10/2015 clang emits a -Wnonnull warnings even if the warning occurs 16 // in an unevaluated context. For this reason we manually suppress the warning. 17 #if defined(__clang__) 18 #pragma clang diagnostic ignored "-Wnonnull" 19 #endif 20 21 #ifdef abs 22 #error abs is defined 23 #endif 24 25 #ifdef labs 26 #error labs is defined 27 #endif 28 29 #ifdef llabs 30 #error llabs is defined 31 #endif 32 33 #ifdef div 34 #error div is defined 35 #endif 36 37 #ifdef ldiv 38 #error ldiv is defined 39 #endif 40 41 #ifdef lldiv 42 #error lldiv is defined 43 #endif 44 45 #ifndef EXIT_FAILURE 46 #error EXIT_FAILURE not defined 47 #endif 48 49 #ifndef EXIT_SUCCESS 50 #error EXIT_SUCCESS not defined 51 #endif 52 53 #ifndef MB_CUR_MAX 54 #error MB_CUR_MAX not defined 55 #endif 56 57 #ifndef NULL 58 #error NULL not defined 59 #endif 60 61 #ifndef RAND_MAX 62 #error RAND_MAX not defined 63 #endif 64 65 int main() 66 { 67 size_t s = 0; ((void)s); 68 div_t d; ((void)d); 69 ldiv_t ld; ((void)ld); 70 lldiv_t lld; ((void)lld); 71 char** endptr = 0; 72 static_assert((std::is_same<decltype(atof("")), double>::value), ""); 73 static_assert((std::is_same<decltype(atoi("")), int>::value), ""); 74 static_assert((std::is_same<decltype(atol("")), long>::value), ""); 75 static_assert((std::is_same<decltype(atoll("")), long long>::value), ""); 76 static_assert((std::is_same<decltype(getenv("")), char*>::value), ""); 77 static_assert((std::is_same<decltype(strtod("", endptr)), double>::value), ""); 78 static_assert((std::is_same<decltype(strtof("", endptr)), float>::value), ""); 79 static_assert((std::is_same<decltype(strtold("", endptr)), long double>::value), ""); 80 static_assert((std::is_same<decltype(strtol("", endptr,0)), long>::value), ""); 81 static_assert((std::is_same<decltype(strtoll("", endptr,0)), long long>::value), ""); 82 static_assert((std::is_same<decltype(strtoul("", endptr,0)), unsigned long>::value), ""); 83 static_assert((std::is_same<decltype(strtoull("", endptr,0)), unsigned long long>::value), ""); 84 static_assert((std::is_same<decltype(rand()), int>::value), ""); 85 static_assert((std::is_same<decltype(srand(0)), void>::value), ""); 86 static_assert((std::is_same<decltype(calloc(0,0)), void*>::value), ""); 87 static_assert((std::is_same<decltype(free(0)), void>::value), ""); 88 static_assert((std::is_same<decltype(malloc(0)), void*>::value), ""); 89 static_assert((std::is_same<decltype(realloc(0,0)), void*>::value), ""); 90 static_assert((std::is_same<decltype(abort()), void>::value), ""); 91 static_assert((std::is_same<decltype(atexit(0)), int>::value), ""); 92 static_assert((std::is_same<decltype(exit(0)), void>::value), ""); 93 static_assert((std::is_same<decltype(_Exit(0)), void>::value), ""); 94 static_assert((std::is_same<decltype(getenv("")), char*>::value), ""); 95 static_assert((std::is_same<decltype(system("")), int>::value), ""); 96 static_assert((std::is_same<decltype(bsearch(0,0,0,0,0)), void*>::value), ""); 97 static_assert((std::is_same<decltype(qsort(0,0,0,0)), void>::value), ""); 98 static_assert((std::is_same<decltype(abs(0)), int>::value), ""); 99 static_assert((std::is_same<decltype(labs((long)0)), long>::value), ""); 100 static_assert((std::is_same<decltype(llabs((long long)0)), long long>::value), ""); 101 static_assert((std::is_same<decltype(div(0,0)), div_t>::value), ""); 102 static_assert((std::is_same<decltype(ldiv(0L,0L)), ldiv_t>::value), ""); 103 static_assert((std::is_same<decltype(lldiv(0LL,0LL)), lldiv_t>::value), ""); 104 wchar_t* pw = 0; 105 const wchar_t* pwc = 0; 106 char* pc = 0; 107 static_assert((std::is_same<decltype(mblen("",0)), int>::value), ""); 108 static_assert((std::is_same<decltype(mbtowc(pw,"",0)), int>::value), ""); 109 static_assert((std::is_same<decltype(wctomb(pc,L' ')), int>::value), ""); 110 static_assert((std::is_same<decltype(mbstowcs(pw,"",0)), size_t>::value), ""); 111 static_assert((std::is_same<decltype(wcstombs(pc,pwc,0)), size_t>::value), ""); 112 } 113
