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
24 Macros:
25
26 EXIT_FAILURE
27 EXIT_SUCCESS
28 MB_CUR_MAX
29 NULL
30 RAND_MAX
31
32 Types:
33
34 size_t
35 div_t
36 ldiv_t
37 lldiv_t // C99
38
39 double atof (const char* nptr);
40 int atoi (const char* nptr);
41 long atol (const char* nptr);
42 long long atoll(const char* nptr); // C99
43 double strtod (const char* restrict nptr, char** restrict endptr);
44 float strtof (const char* restrict nptr, char** restrict endptr); // C99
45 long double strtold (const char* restrict nptr, char** restrict endptr); // C99
46 long strtol (const char* restrict nptr, char** restrict endptr, int base);
47 long long strtoll (const char* restrict nptr, char** restrict endptr, int base); // C99
48 unsigned long strtoul (const char* restrict nptr, char** restrict endptr, int base);
49 unsigned long long strtoull(const char* restrict nptr, char** restrict endptr, int base); // C99
50 int rand(void);
51 void srand(unsigned int seed);
52 void* calloc(size_t nmemb, size_t size);
53 void free(void* ptr);
54 void* malloc(size_t size);
55 void* realloc(void* ptr, size_t size);
56 void abort(void);
57 int atexit(void (*func)(void));
58 void exit(int status);
59 void _Exit(int status);
60 char* getenv(const char* name);
61 int system(const char* string);
62 void* bsearch(const void* key, const void* base, size_t nmemb, size_t size,
63 int (*compar)(const void *, const void *));
64 void qsort(void* base, size_t nmemb, size_t size,
65 int (*compar)(const void *, const void *));
66 int abs( int j);
67 long abs( long j);
68 long long abs(long long j); // C++0X
69 long labs( long j);
70 long long llabs(long long j); // C99
71 div_t div( int numer, int denom);
72 ldiv_t div( long numer, long denom);
73 lldiv_t div(long long numer, long long denom); // C++0X
74 ldiv_t ldiv( long numer, long denom);
75 lldiv_t lldiv(long long numer, long long denom); // C99
76 int mblen(const char* s, size_t n);
77 int mbtowc(wchar_t* restrict pwc, const char* restrict s, size_t n);
78 int wctomb(char* s, wchar_t wchar);
79 size_t mbstowcs(wchar_t* restrict pwcs, const char* restrict s, size_t n);
80 size_t wcstombs(char* restrict s, const wchar_t* restrict pwcs, size_t n);
81 int at_quick_exit(void (*func)(void)) // C++11
82 void quick_exit(int status); // C++11
83 void *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
98 extern "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)
abs(long __x)113 _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI long abs(long __x) _NOEXCEPT { return __builtin_labs(__x); }
abs(long long __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
abs(float __lcpp_x)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
abs(double __lcpp_x)121 _LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI double abs(double __lcpp_x) _NOEXCEPT {
122 return __builtin_fabs(__lcpp_x);
123 }
124
abs(long double __lcpp_x)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)
div(long __x,long __y)143 inline _LIBCPP_HIDE_FROM_ABI ldiv_t div(long __x, long __y) _NOEXCEPT { return ::ldiv(__x, __y); }
144 # if !(defined(__FreeBSD__) && !defined(__LONG_LONG_SUPPORTED))
div(long long __x,long long __y)145 inline _LIBCPP_HIDE_FROM_ABI lldiv_t div(long long __x, long long __y) _NOEXCEPT { return ::lldiv(__x, __y); }
146 # endif
147 # endif // _LIBCPP_MSVCRT
148 } // extern "C++"
149 # endif // __cplusplus
150
151 #endif // _LIBCPP_STDLIB_H
152