mirror of git://gcc.gnu.org/git/gcc.git
271 lines
6.4 KiB
C++
271 lines
6.4 KiB
C++
// -*- C++ -*- forwarding header.
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// Copyright (C) 1997-2018 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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// 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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// 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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// 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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/** @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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// ISO C++ 14882: 20.4.6 C library
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//
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#ifndef _GLIBCXX_CSTDLIB
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#define _GLIBCXX_CSTDLIB 1
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#pragma GCC system_header
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#include <bits/c++config.h>
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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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#define EXIT_SUCCESS 0
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#define EXIT_FAILURE 1
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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
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#else
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#include <stdlib.h>
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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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#undef abs
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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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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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using ::div_t;
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using ::ldiv_t;
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using ::abort;
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using ::abs;
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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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inline long
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abs(long __i) { return __builtin_labs(__i); }
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#ifdef _GLIBCXX_USE_LONG_LONG
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inline long long
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abs(long long __x) { return __builtin_llabs (__x); }
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#endif
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#if defined(__GLIBCXX_TYPE_INT_N_0)
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inline __GLIBCXX_TYPE_INT_N_0
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abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; }
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#endif
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#if defined(__GLIBCXX_TYPE_INT_N_1)
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inline __GLIBCXX_TYPE_INT_N_1
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abs(__GLIBCXX_TYPE_INT_N_1 __x) { return __x >= 0 ? __x : -__x; }
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#endif
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#if defined(__GLIBCXX_TYPE_INT_N_2)
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inline __GLIBCXX_TYPE_INT_N_2
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abs(__GLIBCXX_TYPE_INT_N_2 __x) { return __x >= 0 ? __x : -__x; }
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#endif
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#if defined(__GLIBCXX_TYPE_INT_N_3)
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inline __GLIBCXX_TYPE_INT_N_3
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abs(__GLIBCXX_TYPE_INT_N_3 __x) { return __x >= 0 ? __x : -__x; }
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#endif
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inline ldiv_t
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div(long __i, long __j) { return ldiv(__i, __j); }
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace
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#if _GLIBCXX_USE_C99_STDLIB
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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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namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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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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#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
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using ::llabs;
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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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using ::lldiv;
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#endif
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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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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace __gnu_cxx
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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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#endif // _GLIBCXX_USE_C99_STDLIB
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#endif // !_GLIBCXX_HOSTED
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#endif
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