1// -*- C++ -*- 2//===--------------------------- stdlib.h ---------------------------------===// 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#if defined(__need_malloc_and_calloc) 11 12#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 13#pragma GCC system_header 14#endif 15 16#include_next <stdlib.h> 17 18#elif !defined(_LIBCPP_STDLIB_H) 19#define _LIBCPP_STDLIB_H 20 21/* 22 stdlib.h synopsis 23 24Macros: 25 26 EXIT_FAILURE 27 EXIT_SUCCESS 28 MB_CUR_MAX 29 NULL 30 RAND_MAX 31 32Types: 33 34 size_t 35 div_t 36 ldiv_t 37 lldiv_t // C99 38 39double atof (const char* nptr); 40int atoi (const char* nptr); 41long atol (const char* nptr); 42long long atoll(const char* nptr); // C99 43double strtod (const char* restrict nptr, char** restrict endptr); 44float strtof (const char* restrict nptr, char** restrict endptr); // C99 45long double strtold (const char* restrict nptr, char** restrict endptr); // C99 46long strtol (const char* restrict nptr, char** restrict endptr, int base); 47long long strtoll (const char* restrict nptr, char** restrict endptr, int base); // C99 48unsigned long strtoul (const char* restrict nptr, char** restrict endptr, int base); 49unsigned long long strtoull(const char* restrict nptr, char** restrict endptr, int base); // C99 50int rand(void); 51void srand(unsigned int seed); 52void* calloc(size_t nmemb, size_t size); 53void free(void* ptr); 54void* malloc(size_t size); 55void* realloc(void* ptr, size_t size); 56void abort(void); 57int atexit(void (*func)(void)); 58void exit(int status); 59void _Exit(int status); 60char* getenv(const char* name); 61int system(const char* string); 62void* bsearch(const void* key, const void* base, size_t nmemb, size_t size, 63 int (*compar)(const void *, const void *)); 64void qsort(void* base, size_t nmemb, size_t size, 65 int (*compar)(const void *, const void *)); 66int abs( int j); 67long abs( long j); 68long long abs(long long j); // C++0X 69long labs( long j); 70long long llabs(long long j); // C99 71div_t div( int numer, int denom); 72ldiv_t div( long numer, long denom); 73lldiv_t div(long long numer, long long denom); // C++0X 74ldiv_t ldiv( long numer, long denom); 75lldiv_t lldiv(long long numer, long long denom); // C99 76int mblen(const char* s, size_t n); 77int mbtowc(wchar_t* restrict pwc, const char* restrict s, size_t n); 78int wctomb(char* s, wchar_t wchar); 79size_t mbstowcs(wchar_t* restrict pwcs, const char* restrict s, size_t n); 80size_t wcstombs(char* restrict s, const wchar_t* restrict pwcs, size_t n); 81int at_quick_exit(void (*func)(void)) // C++11 82void quick_exit(int status); // C++11 83void *aligned_alloc(size_t alignment, size_t size); // C11 84 85*/ 86 87#include <__config> 88 89#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 90#pragma GCC system_header 91#endif 92 93#include_next <stdlib.h> 94 95#ifdef __cplusplus 96extern "C++" { 97// abs 98 99#undef abs 100#undef labs 101#ifndef _LIBCPP_HAS_NO_LONG_LONG 102#undef llabs 103#endif 104 105// MSVCRT already has the correct prototype in <stdlib.h> if __cplusplus is defined 106#if !defined(_LIBCPP_MSVCRT) && !defined(__sun__) 107inline _LIBCPP_INLINE_VISIBILITY long abs(long __x) _NOEXCEPT { 108 return __builtin_labs(__x); 109} 110#ifndef _LIBCPP_HAS_NO_LONG_LONG 111inline _LIBCPP_INLINE_VISIBILITY long long abs(long long __x) _NOEXCEPT { 112 return __builtin_llabs(__x); 113} 114#endif // _LIBCPP_HAS_NO_LONG_LONG 115#endif // !defined(_LIBCPP_MSVCRT) && !defined(__sun__) 116 117#if !defined(__sun__) 118inline _LIBCPP_INLINE_VISIBILITY float abs(float __lcpp_x) _NOEXCEPT { 119 return __builtin_fabsf(__lcpp_x); // Use builtins to prevent needing math.h 120} 121 122inline _LIBCPP_INLINE_VISIBILITY double abs(double __lcpp_x) _NOEXCEPT { 123 return __builtin_fabs(__lcpp_x); 124} 125 126inline _LIBCPP_INLINE_VISIBILITY long double 127abs(long double __lcpp_x) _NOEXCEPT { 128 return __builtin_fabsl(__lcpp_x); 129} 130#endif // !defined(__sun__) 131 132// div 133 134#undef div 135#undef ldiv 136#ifndef _LIBCPP_HAS_NO_LONG_LONG 137#undef lldiv 138#endif 139 140// MSVCRT already has the correct prototype in <stdlib.h> if __cplusplus is defined 141#if !defined(_LIBCPP_MSVCRT) && !defined(__sun__) 142inline _LIBCPP_INLINE_VISIBILITY ldiv_t div(long __x, long __y) _NOEXCEPT { 143 return ::ldiv(__x, __y); 144} 145#ifndef _LIBCPP_HAS_NO_LONG_LONG 146inline _LIBCPP_INLINE_VISIBILITY lldiv_t div(long long __x, 147 long long __y) _NOEXCEPT { 148 return ::lldiv(__x, __y); 149} 150#endif // _LIBCPP_HAS_NO_LONG_LONG 151#endif // _LIBCPP_MSVCRT / __sun__ 152} // extern "C++" 153#endif // __cplusplus 154 155#endif // _LIBCPP_STDLIB_H 156