headers/libs/libc++/stdlib.h

   1 // -*- C++ -*-
   2 //===--------------------------- stdlib.h ---------------------------------===//
   3 //
   4 //                     The LLVM Compiler Infrastructure
   5 //
   6 // This file is dual licensed under the MIT and the University of Illinois Open
   7 // Source Licenses. See LICENSE.TXT for details.
   8 //
   9 //===----------------------------------------------------------------------===//
  10
  11 #if defined(__need_malloc_and_calloc)
  12
  13 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  14 #pragma GCC system_header
  15 #endif
  16
  17 #include_next <stdlib.h>
  18
  19 #elif !defined(_LIBCPP_STDLIB_H)
  20 #define _LIBCPP_STDLIB_H
  21
  22 /*
  23     stdlib.h synopsis
  24
  25 Macros:
  26
  27     EXIT_FAILURE
  28     EXIT_SUCCESS
  29     MB_CUR_MAX
  30     NULL
  31     RAND_MAX
  32
  33 Types:
  34
  35     size_t
  36     div_t
  37     ldiv_t
  38     lldiv_t                                                               // C99
  39
  40 double    atof (const char* nptr);
  41 int       atoi (const char* nptr);
  42 long      atol (const char* nptr);
  43 long long atoll(const char* nptr);                                        // C99
  44 double             strtod  (const char* restrict nptr, char** restrict endptr);
  45 float              strtof  (const char* restrict nptr, char** restrict endptr); // C99
  46 long double        strtold (const char* restrict nptr, char** restrict endptr); // C99
  47 long               strtol  (const char* restrict nptr, char** restrict endptr, int base);
  48 long long          strtoll (const char* restrict nptr, char** restrict endptr, int base); // C99
  49 unsigned long      strtoul (const char* restrict nptr, char** restrict endptr, int base);
  50 unsigned long long strtoull(const char* restrict nptr, char** restrict endptr, int base); // C99
  51 int rand(void);
  52 void srand(unsigned int seed);
  53 void* calloc(size_t nmemb, size_t size);
  54 void free(void* ptr);
  55 void* malloc(size_t size);
  56 void* realloc(void* ptr, size_t size);
  57 void abort(void);
  58 int atexit(void (*func)(void));
  59 void exit(int status);
  60 void _Exit(int status);
  61 char* getenv(const char* name);
  62 int system(const char* string);
  63 void* bsearch(const void* key, const void* base, size_t nmemb, size_t size,
  64               int (*compar)(const void *, const void *));
  65 void qsort(void* base, size_t nmemb, size_t size,
  66            int (*compar)(const void *, const void *));
  67 int         abs(      int j);
  68 long        abs(     long j);
  69 long long   abs(long long j);                                             // C++0X
  70 long       labs(     long j);
  71 long long llabs(long long j);                                             // C99
  72 div_t     div(      int numer,       int denom);
  73 ldiv_t    div(     long numer,      long denom);
  74 lldiv_t   div(long long numer, long long denom);                          // C++0X
  75 ldiv_t   ldiv(     long numer,      long denom);
  76 lldiv_t lldiv(long long numer, long long denom);                          // C99
  77 int mblen(const char* s, size_t n);
  78 int mbtowc(wchar_t* restrict pwc, const char* restrict s, size_t n);
  79 int wctomb(char* s, wchar_t wchar);
  80 size_t mbstowcs(wchar_t* restrict pwcs, const char* restrict s, size_t n);
  81 size_t wcstombs(char* restrict s, const wchar_t* restrict pwcs, size_t n);
  82 int at_quick_exit(void (*func)(void))                                     // C++11
  83 void quick_exit(int status);                                              // C++11
  84 void *aligned_alloc(size_t alignment, size_t size);                       // C11
  85
  86 */
  87
  88 #include <__config>
  89
  90 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  91 #pragma GCC system_header
  92 #endif
  93
  94 #include_next <stdlib.h>
  95
  96 #ifdef __cplusplus
  97
  98 extern "C++" {
  99
 100 #ifdef _LIBCPP_MSVCRT
 101 #include "support/win32/locale_win32.h"
 102 #endif // _LIBCPP_MSVCRT
 103
 104 #undef abs
 105 #undef div
 106 #undef labs
 107 #undef ldiv
 108 #ifndef _LIBCPP_HAS_NO_LONG_LONG
 109 #undef llabs
 110 #undef lldiv
 111 #endif
 112
 113 // MSVCRT already has the correct prototype in <stdlib.h> if __cplusplus is defined
 114 #if !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_AIX)
 115 inline _LIBCPP_INLINE_VISIBILITY long      abs(     long __x) _NOEXCEPT {return  labs(__x);}
 116 #ifndef _LIBCPP_HAS_NO_LONG_LONG
 117 inline _LIBCPP_INLINE_VISIBILITY long long abs(long long __x) _NOEXCEPT {return llabs(__x);}
 118 #endif // _LIBCPP_HAS_NO_LONG_LONG
 119
 120 inline _LIBCPP_INLINE_VISIBILITY  ldiv_t div(     long __x,      long __y) _NOEXCEPT {return  ldiv(__x, __y);}
 121 #ifndef _LIBCPP_HAS_NO_LONG_LONG
 122 inline _LIBCPP_INLINE_VISIBILITY lldiv_t div(long long __x, long long __y) _NOEXCEPT {return lldiv(__x, __y);}
 123 #endif // _LIBCPP_HAS_NO_LONG_LONG
 124 #endif // _LIBCPP_MSVCRT / __sun__ / _AIX
 125
 126 }  // extern "C++"
 127
 128 #endif  // __cplusplus
 129
 130 #endif  // _LIBCPP_STDLIB_H