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// -*- C++ -*- forwarding header. |
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|
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// Copyright (C) 1997-2021 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the |
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// terms of the GNU General Public License as published by the |
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// Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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|
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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|
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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|
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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|
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/** @file include/cstdlib |
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* This is a Standard C++ Library file. You should @c \#include this file |
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* in your programs, rather than any of the @a *.h implementation files. |
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* |
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* This is the C++ version of the Standard C Library header @c stdlib.h, |
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* and its contents are (mostly) the same as that header, but are all |
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* contained in the namespace @c std (except for names which are defined |
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* as macros in C). |
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*/ |
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|
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// |
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// ISO C++ 14882: 20.4.6 C library |
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// |
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|
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#pragma GCC system_header |
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|
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#include <bits/c++config.h> |
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|
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#ifndef _GLIBCXX_CSTDLIB |
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#define _GLIBCXX_CSTDLIB 1 |
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|
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#if !_GLIBCXX_HOSTED |
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// The C standard does not require a freestanding implementation to |
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// provide <stdlib.h>. However, the C++ standard does still require |
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// <cstdlib> -- but only the functionality mentioned in |
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// [lib.support.start.term]. |
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|
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#define EXIT_SUCCESS 0 |
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#define EXIT_FAILURE 1 |
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|
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namespace std |
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{ |
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extern "C" void abort(void) throw () _GLIBCXX_NORETURN; |
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extern "C" int atexit(void (*)(void)) throw (); |
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extern "C" void exit(int) throw () _GLIBCXX_NORETURN; |
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#if __cplusplus >= 201103L |
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# ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT |
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extern "C" int at_quick_exit(void (*)(void)) throw (); |
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# endif |
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# ifdef _GLIBCXX_HAVE_QUICK_EXIT |
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extern "C" void quick_exit(int) throw() _GLIBCXX_NORETURN; |
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# endif |
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#endif |
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} // namespace std |
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|
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#else |
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|
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// Need to ensure this finds the C library's <stdlib.h> not a libstdc++ |
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// wrapper that might already be installed later in the include search path. |
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#define _GLIBCXX_INCLUDE_NEXT_C_HEADERS |
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#include_next <stdlib.h> |
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#undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS |
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#include <bits/std_abs.h> |
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|
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// Get rid of those macros defined in <stdlib.h> in lieu of real functions. |
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#undef abort |
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#if __cplusplus >= 201703L && defined(_GLIBCXX_HAVE_ALIGNED_ALLOC) |
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# undef aligned_alloc |
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#endif |
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#undef atexit |
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#if __cplusplus >= 201103L |
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# ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT |
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# undef at_quick_exit |
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# endif |
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#endif |
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#undef atof |
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#undef atoi |
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#undef atol |
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#undef bsearch |
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#undef calloc |
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#undef div |
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#undef exit |
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#undef free |
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#undef getenv |
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#undef labs |
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#undef ldiv |
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#undef malloc |
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#undef mblen |
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#undef mbstowcs |
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#undef mbtowc |
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#undef qsort |
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#if __cplusplus >= 201103L |
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# ifdef _GLIBCXX_HAVE_QUICK_EXIT |
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# undef quick_exit |
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# endif |
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#endif |
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#undef rand |
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#undef realloc |
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#undef srand |
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#undef strtod |
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#undef strtol |
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#undef strtoul |
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#undef system |
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#undef wcstombs |
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#undef wctomb |
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|
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extern "C++" |
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{ |
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namespace std _GLIBCXX_VISIBILITY(default) |
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{ |
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_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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|
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using ::div_t; |
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using ::ldiv_t; |
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|
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using ::abort; |
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#if __cplusplus >= 201703L && defined(_GLIBCXX_HAVE_ALIGNED_ALLOC) |
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using ::aligned_alloc; |
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#endif |
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using ::atexit; |
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#if __cplusplus >= 201103L |
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# ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT |
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using ::at_quick_exit; |
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# endif |
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#endif |
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using ::atof; |
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using ::atoi; |
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using ::atol; |
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using ::bsearch; |
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using ::calloc; |
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using ::div; |
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using ::exit; |
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using ::free; |
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using ::getenv; |
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using ::labs; |
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using ::ldiv; |
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using ::malloc; |
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#ifdef _GLIBCXX_HAVE_MBSTATE_T |
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using ::mblen; |
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using ::mbstowcs; |
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using ::mbtowc; |
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#endif // _GLIBCXX_HAVE_MBSTATE_T |
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using ::qsort; |
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#if __cplusplus >= 201103L |
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# ifdef _GLIBCXX_HAVE_QUICK_EXIT |
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using ::quick_exit; |
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# endif |
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#endif |
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using ::rand; |
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using ::realloc; |
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using ::srand; |
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using ::strtod; |
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using ::strtol; |
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using ::strtoul; |
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using ::system; |
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#ifdef _GLIBCXX_USE_WCHAR_T |
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using ::wcstombs; |
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using ::wctomb; |
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#endif // _GLIBCXX_USE_WCHAR_T |
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|
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#ifndef __CORRECT_ISO_CPP_STDLIB_H_PROTO |
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inline ldiv_t |
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div(long __i, long __j) { return ldiv(__i, __j); } |
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#endif |
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|
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|
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_GLIBCXX_END_NAMESPACE_VERSION |
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} // namespace |
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|
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#if _GLIBCXX_USE_C99_STDLIB |
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|
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#undef _Exit |
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#undef llabs |
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#undef lldiv |
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#undef atoll |
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#undef strtoll |
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#undef strtoull |
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#undef strtof |
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#undef strtold |
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|
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namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) |
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{ |
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_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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|
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#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
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using ::lldiv_t; |
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#endif |
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#if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC |
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extern "C" void (_Exit)(int) throw () _GLIBCXX_NORETURN; |
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#endif |
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#if !_GLIBCXX_USE_C99_DYNAMIC |
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using ::_Exit; |
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#endif |
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|
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#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
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using ::llabs; |
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|
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inline lldiv_t |
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div(long long __n, long long __d) |
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{ lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; } |
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|
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using ::lldiv; |
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#endif |
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|
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#if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
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extern "C" long long int (atoll)(const char *) throw (); |
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extern "C" long long int |
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(strtoll)(const char * __restrict, char ** __restrict, int) throw (); |
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extern "C" unsigned long long int |
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(strtoull)(const char * __restrict, char ** __restrict, int) throw (); |
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#endif |
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#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
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using ::atoll; |
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using ::strtoll; |
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using ::strtoull; |
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#endif |
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using ::strtof; |
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using ::strtold; |
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|
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_GLIBCXX_END_NAMESPACE_VERSION |
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} // namespace __gnu_cxx |
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|
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namespace std |
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{ |
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#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
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using ::__gnu_cxx::lldiv_t; |
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#endif |
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using ::__gnu_cxx::_Exit; |
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#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC |
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using ::__gnu_cxx::llabs; |
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using ::__gnu_cxx::div; |
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using ::__gnu_cxx::lldiv; |
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#endif |
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using ::__gnu_cxx::atoll; |
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using ::__gnu_cxx::strtof; |
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using ::__gnu_cxx::strtoll; |
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using ::__gnu_cxx::strtoull; |
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using ::__gnu_cxx::strtold; |
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} // namespace std |
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|
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#endif // _GLIBCXX_USE_C99_STDLIB |
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|
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} // extern "C++" |
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|
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#endif // !_GLIBCXX_HOSTED |
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|
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#endif |
