// -*- 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