stdlib.h
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// -*- C++ -*-
//===--------------------------- stdlib.h ---------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#if defined(__need_malloc_and_calloc)
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#include_next <stdlib.h>
#elif !defined(_LIBCPP_STDLIB_H)
#define _LIBCPP_STDLIB_H
/*
stdlib.h synopsis
Macros:
EXIT_FAILURE
EXIT_SUCCESS
MB_CUR_MAX
NULL
RAND_MAX
Types:
size_t
div_t
ldiv_t
lldiv_t // C99
double atof (const char* nptr);
int atoi (const char* nptr);
long atol (const char* nptr);
long long atoll(const char* nptr); // C99
double strtod (const char* restrict nptr, char** restrict endptr);
float strtof (const char* restrict nptr, char** restrict endptr); // C99
long double strtold (const char* restrict nptr, char** restrict endptr); // C99
long strtol (const char* restrict nptr, char** restrict endptr, int base);
long long strtoll (const char* restrict nptr, char** restrict endptr, int base); // C99
unsigned long strtoul (const char* restrict nptr, char** restrict endptr, int base);
unsigned long long strtoull(const char* restrict nptr, char** restrict endptr, int base); // C99
int rand(void);
void srand(unsigned int seed);
void* calloc(size_t nmemb, size_t size);
void free(void* ptr);
void* malloc(size_t size);
void* realloc(void* ptr, size_t size);
void abort(void);
int atexit(void (*func)(void));
void exit(int status);
void _Exit(int status);
char* getenv(const char* name);
int system(const char* string);
void* bsearch(const void* key, const void* base, size_t nmemb, size_t size,
int (*compar)(const void *, const void *));
void qsort(void* base, size_t nmemb, size_t size,
int (*compar)(const void *, const void *));
int abs( int j);
long abs( long j);
long long abs(long long j); // C++0X
long labs( long j);
long long llabs(long long j); // C99
div_t div( int numer, int denom);
ldiv_t div( long numer, long denom);
lldiv_t div(long long numer, long long denom); // C++0X
ldiv_t ldiv( long numer, long denom);
lldiv_t lldiv(long long numer, long long denom); // C99
int mblen(const char* s, size_t n);
int mbtowc(wchar_t* restrict pwc, const char* restrict s, size_t n);
int wctomb(char* s, wchar_t wchar);
size_t mbstowcs(wchar_t* restrict pwcs, const char* restrict s, size_t n);
size_t wcstombs(char* restrict s, const wchar_t* restrict pwcs, size_t n);
int at_quick_exit(void (*func)(void)) // C++11
void quick_exit(int status); // C++11
void *aligned_alloc(size_t alignment, size_t size); // C11
*/
#include <__config>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#include_next <stdlib.h>
#ifdef __cplusplus
extern "C++" {
// abs
#undef abs
#undef labs
#ifndef _LIBCPP_HAS_NO_LONG_LONG
#undef llabs
#endif
// MSVCRT already has the correct prototype in <stdlib.h> if __cplusplus is defined
#if !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_AIX)
inline _LIBCPP_INLINE_VISIBILITY long abs(long __x) _NOEXCEPT {
return __builtin_labs(__x);
}
#ifndef _LIBCPP_HAS_NO_LONG_LONG
inline _LIBCPP_INLINE_VISIBILITY long long abs(long long __x) _NOEXCEPT {
return __builtin_llabs(__x);
}
#endif // _LIBCPP_HAS_NO_LONG_LONG
#endif // !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_AIX)
#if !(defined(_AIX) || defined(__sun__))
inline _LIBCPP_INLINE_VISIBILITY float abs(float __lcpp_x) _NOEXCEPT {
return __builtin_fabsf(__lcpp_x); // Use builtins to prevent needing math.h
}
inline _LIBCPP_INLINE_VISIBILITY double abs(double __lcpp_x) _NOEXCEPT {
return __builtin_fabs(__lcpp_x);
}
inline _LIBCPP_INLINE_VISIBILITY long double
abs(long double __lcpp_x) _NOEXCEPT {
return __builtin_fabsl(__lcpp_x);
}
#endif // !(defined(_AIX) || defined(__sun__))
// div
#undef div
#undef ldiv
#ifndef _LIBCPP_HAS_NO_LONG_LONG
#undef lldiv
#endif
// MSVCRT already has the correct prototype in <stdlib.h> if __cplusplus is defined
#if !defined(_LIBCPP_MSVCRT) && !defined(__sun__) && !defined(_AIX)
inline _LIBCPP_INLINE_VISIBILITY ldiv_t div(long __x, long __y) _NOEXCEPT {
return ::ldiv(__x, __y);
}
#ifndef _LIBCPP_HAS_NO_LONG_LONG
inline _LIBCPP_INLINE_VISIBILITY lldiv_t div(long long __x,
long long __y) _NOEXCEPT {
return ::lldiv(__x, __y);
}
#endif // _LIBCPP_HAS_NO_LONG_LONG
#endif // _LIBCPP_MSVCRT / __sun__ / _AIX
} // extern "C++"
#endif // __cplusplus
#endif // _LIBCPP_STDLIB_H