1// -*- C++ -*- 2//===--------------------------- cstdlib ----------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP_CSTDLIB 11#define _LIBCPP_CSTDLIB 12 13/* 14 cstdlib synopsis 15 16Macros: 17 18 EXIT_FAILURE 19 EXIT_SUCCESS 20 MB_CUR_MAX 21 NULL 22 RAND_MAX 23 24namespace std 25{ 26 27Types: 28 29 size_t 30 div_t 31 ldiv_t 32 lldiv_t // C99 33 34double atof (const char* nptr); 35int atoi (const char* nptr); 36long atol (const char* nptr); 37long long atoll(const char* nptr); // C99 38double strtod (const char* restrict nptr, char** restrict endptr); 39float strtof (const char* restrict nptr, char** restrict endptr); // C99 40long double strtold (const char* restrict nptr, char** restrict endptr); // C99 41long strtol (const char* restrict nptr, char** restrict endptr, int base); 42long long strtoll (const char* restrict nptr, char** restrict endptr, int base); // C99 43unsigned long strtoul (const char* restrict nptr, char** restrict endptr, int base); 44unsigned long long strtoull(const char* restrict nptr, char** restrict endptr, int base); // C99 45int rand(void); 46void srand(unsigned int seed); 47void* calloc(size_t nmemb, size_t size); 48void free(void* ptr); 49void* malloc(size_t size); 50void* realloc(void* ptr, size_t size); 51void abort(void); 52int atexit(void (*func)(void)); 53void exit(int status); 54void _Exit(int status); 55char* getenv(const char* name); 56int system(const char* string); 57void* bsearch(const void* key, const void* base, size_t nmemb, size_t size, 58 int (*compar)(const void *, const void *)); 59void qsort(void* base, size_t nmemb, size_t size, 60 int (*compar)(const void *, const void *)); 61int abs( int j); 62long abs( long j); 63long long abs(long long j); // C++0X 64long labs( long j); 65long long llabs(long long j); // C99 66div_t div( int numer, int denom); 67ldiv_t div( long numer, long denom); 68lldiv_t div(long long numer, long long denom); // C++0X 69ldiv_t ldiv( long numer, long denom); 70lldiv_t lldiv(long long numer, long long denom); // C99 71int mblen(const char* s, size_t n); 72int mbtowc(wchar_t* restrict pwc, const char* restrict s, size_t n); 73int wctomb(char* s, wchar_t wchar); 74size_t mbstowcs(wchar_t* restrict pwcs, const char* restrict s, size_t n); 75size_t wcstombs(char* restrict s, const wchar_t* restrict pwcs, size_t n); 76int at_quick_exit(void (*func)(void)) // C++11 77void quick_exit(int status); // C++11 78void *aligned_alloc(size_t alignment, size_t size); // C11 79 80} // std 81 82*/ 83 84#include <__config> 85#include <stdlib.h> 86 87#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 88#pragma GCC system_header 89#endif 90 91#ifdef __GNUC__ 92#define _LIBCPP_UNREACHABLE() __builtin_unreachable() 93#else 94#define _LIBCPP_UNREACHABLE() _VSTD::abort() 95#endif 96 97_LIBCPP_BEGIN_NAMESPACE_STD 98 99using ::size_t; 100using ::div_t; 101using ::ldiv_t; 102#ifndef _LIBCPP_HAS_NO_LONG_LONG 103using ::lldiv_t; 104#endif // _LIBCPP_HAS_NO_LONG_LONG 105using ::atof; 106using ::atoi; 107using ::atol; 108#ifndef _LIBCPP_HAS_NO_LONG_LONG 109using ::atoll; 110#endif // _LIBCPP_HAS_NO_LONG_LONG 111using ::strtod; 112using ::strtof; 113using ::strtold; 114using ::strtol; 115#ifndef _LIBCPP_HAS_NO_LONG_LONG 116using ::strtoll; 117#endif // _LIBCPP_HAS_NO_LONG_LONG 118using ::strtoul; 119#ifndef _LIBCPP_HAS_NO_LONG_LONG 120using ::strtoull; 121#endif // _LIBCPP_HAS_NO_LONG_LONG 122using ::rand; 123using ::srand; 124using ::calloc; 125using ::free; 126using ::malloc; 127using ::realloc; 128using ::abort; 129using ::atexit; 130using ::exit; 131using ::_Exit; 132#ifndef _LIBCPP_WINDOWS_STORE_APP 133using ::getenv; 134using ::system; 135#endif 136using ::bsearch; 137using ::qsort; 138using ::abs; 139using ::labs; 140#ifndef _LIBCPP_HAS_NO_LONG_LONG 141using ::llabs; 142#endif // _LIBCPP_HAS_NO_LONG_LONG 143using ::div; 144using ::ldiv; 145#ifndef _LIBCPP_HAS_NO_LONG_LONG 146using ::lldiv; 147#endif // _LIBCPP_HAS_NO_LONG_LONG 148using ::mblen; 149using ::mbtowc; 150using ::wctomb; 151using ::mbstowcs; 152using ::wcstombs; 153#if !defined(_LIBCPP_CXX03_LANG) && defined(_LIBCPP_HAS_QUICK_EXIT) 154using ::at_quick_exit; 155using ::quick_exit; 156#endif 157#if _LIBCPP_STD_VER > 14 && defined(_LIBCPP_HAS_ALIGNED_ALLOC) 158using ::aligned_alloc; 159#endif 160 161_LIBCPP_END_NAMESPACE_STD 162 163#endif // _LIBCPP_CSTDLIB 164