1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
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# if __has_include_next(<stdlib.h>)
94# include_next <stdlib.h>
95# endif
96
97# ifdef __cplusplus
98extern "C++" {
99// abs
100
101# ifdef abs
102# undef abs
103# endif
104# ifdef labs
105# undef labs
106# endif
107# ifdef llabs
108# undef llabs
109# endif
110
111// MSVCRT already has the correct prototype in <stdlib.h> if __cplusplus is defined
112# if !defined(_LIBCPP_MSVCRT)
113_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI long abs(long __x) _NOEXCEPT { return __builtin_labs(__x); }
114_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI long long abs(long long __x) _NOEXCEPT { return __builtin_llabs(__x); }
115# endif // !defined(_LIBCPP_MSVCRT)
116
117_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI float abs(float __lcpp_x) _NOEXCEPT {
118 return __builtin_fabsf(__lcpp_x); // Use builtins to prevent needing math.h
119}
120
121_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI double abs(double __lcpp_x) _NOEXCEPT {
122 return __builtin_fabs(__lcpp_x);
123}
124
125_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI long double abs(long double __lcpp_x) _NOEXCEPT {
126 return __builtin_fabsl(__lcpp_x);
127}
128
129// div
130
131# ifdef div
132# undef div
133# endif
134# ifdef ldiv
135# undef ldiv
136# endif
137# ifdef lldiv
138# undef lldiv
139# endif
140
141// MSVCRT already has the correct prototype in <stdlib.h> if __cplusplus is defined
142# if !defined(_LIBCPP_MSVCRT)
143inline _LIBCPP_HIDE_FROM_ABI ldiv_t div(long __x, long __y) _NOEXCEPT { return ::ldiv(numer: __x, denom: __y); }
144# if !(defined(__FreeBSD__) && !defined(__LONG_LONG_SUPPORTED))
145inline _LIBCPP_HIDE_FROM_ABI lldiv_t div(long long __x, long long __y) _NOEXCEPT { return ::lldiv(numer: __x, denom: __y); }
146# endif
147# endif // _LIBCPP_MSVCRT
148} // extern "C++"
149# endif // __cplusplus
150
151#endif // _LIBCPP_STDLIB_H
152