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150
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1 // -*- C++ -*-
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2 //===--------------------------- stdlib.h ---------------------------------===//
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3 //
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4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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5 // See https://llvm.org/LICENSE.txt for license information.
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6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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173
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10 #if defined(__need_malloc_and_calloc)
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150
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11
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12 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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13 #pragma GCC system_header
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14 #endif
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15
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16 #include_next <stdlib.h>
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17
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18 #elif !defined(_LIBCPP_STDLIB_H)
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19 #define _LIBCPP_STDLIB_H
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20
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21 /*
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22 stdlib.h synopsis
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23
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24 Macros:
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25
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26 EXIT_FAILURE
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27 EXIT_SUCCESS
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28 MB_CUR_MAX
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29 NULL
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30 RAND_MAX
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31
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32 Types:
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33
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34 size_t
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35 div_t
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36 ldiv_t
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37 lldiv_t // C99
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38
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39 double atof (const char* nptr);
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40 int atoi (const char* nptr);
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41 long atol (const char* nptr);
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42 long long atoll(const char* nptr); // C99
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43 double strtod (const char* restrict nptr, char** restrict endptr);
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44 float strtof (const char* restrict nptr, char** restrict endptr); // C99
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45 long double strtold (const char* restrict nptr, char** restrict endptr); // C99
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46 long strtol (const char* restrict nptr, char** restrict endptr, int base);
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47 long long strtoll (const char* restrict nptr, char** restrict endptr, int base); // C99
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48 unsigned long strtoul (const char* restrict nptr, char** restrict endptr, int base);
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49 unsigned long long strtoull(const char* restrict nptr, char** restrict endptr, int base); // C99
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50 int rand(void);
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51 void srand(unsigned int seed);
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52 void* calloc(size_t nmemb, size_t size);
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53 void free(void* ptr);
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54 void* malloc(size_t size);
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55 void* realloc(void* ptr, size_t size);
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56 void abort(void);
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57 int atexit(void (*func)(void));
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58 void exit(int status);
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59 void _Exit(int status);
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60 char* getenv(const char* name);
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61 int system(const char* string);
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62 void* bsearch(const void* key, const void* base, size_t nmemb, size_t size,
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63 int (*compar)(const void *, const void *));
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64 void qsort(void* base, size_t nmemb, size_t size,
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65 int (*compar)(const void *, const void *));
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66 int abs( int j);
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67 long abs( long j);
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68 long long abs(long long j); // C++0X
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69 long labs( long j);
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70 long long llabs(long long j); // C99
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71 div_t div( int numer, int denom);
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72 ldiv_t div( long numer, long denom);
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73 lldiv_t div(long long numer, long long denom); // C++0X
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74 ldiv_t ldiv( long numer, long denom);
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75 lldiv_t lldiv(long long numer, long long denom); // C99
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76 int mblen(const char* s, size_t n);
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77 int mbtowc(wchar_t* restrict pwc, const char* restrict s, size_t n);
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78 int wctomb(char* s, wchar_t wchar);
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79 size_t mbstowcs(wchar_t* restrict pwcs, const char* restrict s, size_t n);
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80 size_t wcstombs(char* restrict s, const wchar_t* restrict pwcs, size_t n);
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81 int at_quick_exit(void (*func)(void)) // C++11
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82 void quick_exit(int status); // C++11
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83 void *aligned_alloc(size_t alignment, size_t size); // C11
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84
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85 */
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86
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87 #include <__config>
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88
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89 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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90 #pragma GCC system_header
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91 #endif
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92
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93 #include_next <stdlib.h>
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94
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95 #ifdef __cplusplus
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173
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96 extern "C++" {
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97 // abs
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98
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99 #undef abs
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100 #undef labs
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101 #ifndef _LIBCPP_HAS_NO_LONG_LONG
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102 #undef llabs
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103 #endif
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104
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105 // MSVCRT already has the correct prototype in <stdlib.h> if __cplusplus is defined
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106 #if !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_AIX)
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107 inline _LIBCPP_INLINE_VISIBILITY long abs(long __x) _NOEXCEPT {
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108 return __builtin_labs(__x);
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109 }
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110 #ifndef _LIBCPP_HAS_NO_LONG_LONG
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111 inline _LIBCPP_INLINE_VISIBILITY long long abs(long long __x) _NOEXCEPT {
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112 return __builtin_llabs(__x);
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113 }
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114 #endif // _LIBCPP_HAS_NO_LONG_LONG
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115 #endif // !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_AIX)
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116
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117 #if !(defined(_AIX) || defined(__sun__))
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118 inline _LIBCPP_INLINE_VISIBILITY float abs(float __lcpp_x) _NOEXCEPT {
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119 return __builtin_fabsf(__lcpp_x); // Use builtins to prevent needing math.h
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120 }
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121
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122 inline _LIBCPP_INLINE_VISIBILITY double abs(double __lcpp_x) _NOEXCEPT {
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123 return __builtin_fabs(__lcpp_x);
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124 }
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125
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126 inline _LIBCPP_INLINE_VISIBILITY long double
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127 abs(long double __lcpp_x) _NOEXCEPT {
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128 return __builtin_fabsl(__lcpp_x);
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129 }
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130 #endif // !(defined(_AIX) || defined(__sun__))
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131
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132 // div
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133
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134 #undef div
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135 #undef ldiv
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136 #ifndef _LIBCPP_HAS_NO_LONG_LONG
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137 #undef lldiv
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138 #endif
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139
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140 // MSVCRT already has the correct prototype in <stdlib.h> if __cplusplus is defined
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141 #if !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_AIX)
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142 inline _LIBCPP_INLINE_VISIBILITY ldiv_t div(long __x, long __y) _NOEXCEPT {
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143 return ::ldiv(__x, __y);
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144 }
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145 #ifndef _LIBCPP_HAS_NO_LONG_LONG
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146 inline _LIBCPP_INLINE_VISIBILITY lldiv_t div(long long __x,
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147 long long __y) _NOEXCEPT {
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148 return ::lldiv(__x, __y);
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149 }
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150 #endif // _LIBCPP_HAS_NO_LONG_LONG
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151 #endif // _LIBCPP_MSVCRT / __sun__ / _AIX
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152 } // extern "C++"
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150
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153 #endif // __cplusplus
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154
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155 #endif // _LIBCPP_STDLIB_H
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