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- // -*- C++ -*- forwarding header.
-
- // Copyright (C) 1997-2020 Free Software Foundation, Inc.
- //
- // This file is part of the GNU ISO C++ Library. This library is free
- // software; you can redistribute it and/or modify it under the
- // terms of the GNU General Public License as published by the
- // Free Software Foundation; either version 3, or (at your option)
- // any later version.
-
- // This library is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- // GNU General Public License for more details.
-
- // Under Section 7 of GPL version 3, you are granted additional
- // permissions described in the GCC Runtime Library Exception, version
- // 3.1, as published by the Free Software Foundation.
-
- // You should have received a copy of the GNU General Public License and
- // a copy of the GCC Runtime Library Exception along with this program;
- // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
- // <http://www.gnu.org/licenses/>.
-
- /** @file include/cstdlib
- * This is a Standard C++ Library file. You should @c \#include this file
- * in your programs, rather than any of the @a *.h implementation files.
- *
- * This is the C++ version of the Standard C Library header @c stdlib.h,
- * and its contents are (mostly) the same as that header, but are all
- * contained in the namespace @c std (except for names which are defined
- * as macros in C).
- */
-
- //
- // ISO C++ 14882: 20.4.6 C library
- //
-
- #pragma GCC system_header
-
- #include <bits/c++config.h>
-
- #ifndef _GLIBCXX_CSTDLIB
- #define _GLIBCXX_CSTDLIB 1
-
- #if !_GLIBCXX_HOSTED
- // The C standard does not require a freestanding implementation to
- // provide <stdlib.h>. However, the C++ standard does still require
- // <cstdlib> -- but only the functionality mentioned in
- // [lib.support.start.term].
-
- #define EXIT_SUCCESS 0
- #define EXIT_FAILURE 1
-
- namespace std
- {
- extern "C" void abort(void) throw () _GLIBCXX_NORETURN;
- extern "C" int atexit(void (*)(void)) throw ();
- extern "C" void exit(int) throw () _GLIBCXX_NORETURN;
- #if __cplusplus >= 201103L
- # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
- extern "C" int at_quick_exit(void (*)(void)) throw ();
- # endif
- # ifdef _GLIBCXX_HAVE_QUICK_EXIT
- extern "C" void quick_exit(int) throw() _GLIBCXX_NORETURN;
- # endif
- #endif
- } // namespace std
-
- #else
-
- // Need to ensure this finds the C library's <stdlib.h> not a libstdc++
- // wrapper that might already be installed later in the include search path.
- #define _GLIBCXX_INCLUDE_NEXT_C_HEADERS
- #include_next <stdlib.h>
- #undef _GLIBCXX_INCLUDE_NEXT_C_HEADERS
- #include <bits/std_abs.h>
-
- // Get rid of those macros defined in <stdlib.h> in lieu of real functions.
- #undef abort
- #if __cplusplus >= 201703L && defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)
- # undef aligned_alloc
- #endif
- #undef atexit
- #if __cplusplus >= 201103L
- # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
- # undef at_quick_exit
- # endif
- #endif
- #undef atof
- #undef atoi
- #undef atol
- #undef bsearch
- #undef calloc
- #undef div
- #undef exit
- #undef free
- #undef getenv
- #undef labs
- #undef ldiv
- #undef malloc
- #undef mblen
- #undef mbstowcs
- #undef mbtowc
- #undef qsort
- #if __cplusplus >= 201103L
- # ifdef _GLIBCXX_HAVE_QUICK_EXIT
- # undef quick_exit
- # endif
- #endif
- #undef rand
- #undef realloc
- #undef srand
- #undef strtod
- #undef strtol
- #undef strtoul
- #undef system
- #undef wcstombs
- #undef wctomb
-
- extern "C++"
- {
- namespace std _GLIBCXX_VISIBILITY(default)
- {
- _GLIBCXX_BEGIN_NAMESPACE_VERSION
-
- using ::div_t;
- using ::ldiv_t;
-
- using ::abort;
- #if __cplusplus >= 201703L && defined(_GLIBCXX_HAVE_ALIGNED_ALLOC)
- using ::aligned_alloc;
- #endif
- using ::atexit;
- #if __cplusplus >= 201103L
- # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
- using ::at_quick_exit;
- # endif
- #endif
- using ::atof;
- using ::atoi;
- using ::atol;
- using ::bsearch;
- using ::calloc;
- using ::div;
- using ::exit;
- using ::free;
- using ::getenv;
- using ::labs;
- using ::ldiv;
- using ::malloc;
- #ifdef _GLIBCXX_HAVE_MBSTATE_T
- using ::mblen;
- using ::mbstowcs;
- using ::mbtowc;
- #endif // _GLIBCXX_HAVE_MBSTATE_T
- using ::qsort;
- #if __cplusplus >= 201103L
- # ifdef _GLIBCXX_HAVE_QUICK_EXIT
- using ::quick_exit;
- # endif
- #endif
- using ::rand;
- using ::realloc;
- using ::srand;
- using ::strtod;
- using ::strtol;
- using ::strtoul;
- using ::system;
- #ifdef _GLIBCXX_USE_WCHAR_T
- using ::wcstombs;
- using ::wctomb;
- #endif // _GLIBCXX_USE_WCHAR_T
-
- #ifndef __CORRECT_ISO_CPP_STDLIB_H_PROTO
- inline ldiv_t
- div(long __i, long __j) { return ldiv(__i, __j); }
- #endif
-
-
- _GLIBCXX_END_NAMESPACE_VERSION
- } // namespace
-
- #if _GLIBCXX_USE_C99_STDLIB
-
- #undef _Exit
- #undef llabs
- #undef lldiv
- #undef atoll
- #undef strtoll
- #undef strtoull
- #undef strtof
- #undef strtold
-
- namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
- {
- _GLIBCXX_BEGIN_NAMESPACE_VERSION
-
- #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
- using ::lldiv_t;
- #endif
- #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
- extern "C" void (_Exit)(int) throw () _GLIBCXX_NORETURN;
- #endif
- #if !_GLIBCXX_USE_C99_DYNAMIC
- using ::_Exit;
- #endif
-
- #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
- using ::llabs;
-
- inline lldiv_t
- div(long long __n, long long __d)
- { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
-
- using ::lldiv;
- #endif
-
- #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
- extern "C" long long int (atoll)(const char *) throw ();
- extern "C" long long int
- (strtoll)(const char * __restrict, char ** __restrict, int) throw ();
- extern "C" unsigned long long int
- (strtoull)(const char * __restrict, char ** __restrict, int) throw ();
- #endif
- #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
- using ::atoll;
- using ::strtoll;
- using ::strtoull;
- #endif
- using ::strtof;
- using ::strtold;
-
- _GLIBCXX_END_NAMESPACE_VERSION
- } // namespace __gnu_cxx
-
- namespace std
- {
- #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
- using ::__gnu_cxx::lldiv_t;
- #endif
- using ::__gnu_cxx::_Exit;
- #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
- using ::__gnu_cxx::llabs;
- using ::__gnu_cxx::div;
- using ::__gnu_cxx::lldiv;
- #endif
- using ::__gnu_cxx::atoll;
- using ::__gnu_cxx::strtof;
- using ::__gnu_cxx::strtoll;
- using ::__gnu_cxx::strtoull;
- using ::__gnu_cxx::strtold;
- } // namespace std
-
- #endif // _GLIBCXX_USE_C99_STDLIB
-
- } // extern "C++"
-
- #endif // !_GLIBCXX_HOSTED
-
- #endif
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