1 // -*- C++ -*- forwarding header.
3 // Copyright (C) 1997-2013 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
25 /** @file include/cstdlib
26 * This is a Standard C++ Library file. You should @c \#include this file
27 * in your programs, rather than any of the @a *.h implementation files.
29 * This is the C++ version of the Standard C Library header @c stdlib.h,
30 * and its contents are (mostly) the same as that header, but are all
31 * contained in the namespace @c std (except for names which are defined
36 // ISO C++ 14882: 20.4.6 C library
39 #pragma GCC system_header
41 #include <bits/c++config.h>
43 #ifndef _GLIBCXX_CSTDLIB
44 #define _GLIBCXX_CSTDLIB 1
47 // The C standard does not require a freestanding implementation to
48 // provide <stdlib.h>. However, the C++ standard does still require
49 // <cstdlib> -- but only the functionality mentioned in
50 // [lib.support.start.term].
52 #define EXIT_SUCCESS 0
53 #define EXIT_FAILURE 1
57 extern "C" void abort(void) throw () _GLIBCXX_NORETURN;
58 extern "C" int atexit(void (*)(void)) throw ();
59 extern "C" void exit(int) throw () _GLIBCXX_NORETURN;
60 #if __cplusplus >= 201103L
61 # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
62 extern "C" int at_quick_exit(void (*)(void)) throw ();
64 # ifdef _GLIBCXX_HAVE_QUICK_EXIT
65 extern "C" void quick_exit(int) throw() _GLIBCXX_NORETURN;
74 // Get rid of those macros defined in <stdlib.h> in lieu of real functions.
78 #if __cplusplus >= 201103L
79 # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
99 #if __cplusplus >= 201103L
100 # ifdef _GLIBCXX_HAVE_QUICK_EXIT
114 namespace std _GLIBCXX_VISIBILITY(default)
116 _GLIBCXX_BEGIN_NAMESPACE_VERSION
124 #if __cplusplus >= 201103L
125 # ifdef _GLIBCXX_HAVE_AT_QUICK_EXIT
126 using ::at_quick_exit;
141 #ifdef _GLIBCXX_HAVE_MBSTATE_T
145 #endif // _GLIBCXX_HAVE_MBSTATE_T
147 #if __cplusplus >= 201103L
148 # ifdef _GLIBCXX_HAVE_QUICK_EXIT
159 #ifdef _GLIBCXX_USE_WCHAR_T
162 #endif // _GLIBCXX_USE_WCHAR_T
164 #ifndef __CORRECT_ISO_CPP_STDLIB_H_PROTO
166 abs(long __i) { return __builtin_labs(__i); }
169 div(long __i, long __j) { return ldiv(__i, __j); }
172 #ifdef _GLIBCXX_USE_LONG_LONG
174 abs(long long __x) { return __builtin_llabs (__x); }
177 #if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
179 abs(__int128 __x) { return __x >= 0 ? __x : -__x; }
182 _GLIBCXX_END_NAMESPACE_VERSION
196 namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
198 _GLIBCXX_BEGIN_NAMESPACE_VERSION
200 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
203 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
204 extern "C" void (_Exit)(int) throw () _GLIBCXX_NORETURN;
206 #if !_GLIBCXX_USE_C99_DYNAMIC
210 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
214 div(long long __n, long long __d)
215 { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
220 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
221 extern "C" long long int (atoll)(const char *) throw ();
222 extern "C" long long int
223 (strtoll)(const char * __restrict, char ** __restrict, int) throw ();
224 extern "C" unsigned long long int
225 (strtoull)(const char * __restrict, char ** __restrict, int) throw ();
227 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
235 _GLIBCXX_END_NAMESPACE_VERSION
236 } // namespace __gnu_cxx
240 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
241 using ::__gnu_cxx::lldiv_t;
243 using ::__gnu_cxx::_Exit;
244 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
245 using ::__gnu_cxx::llabs;
246 using ::__gnu_cxx::div;
247 using ::__gnu_cxx::lldiv;
249 using ::__gnu_cxx::atoll;
250 using ::__gnu_cxx::strtof;
251 using ::__gnu_cxx::strtoll;
252 using ::__gnu_cxx::strtoull;
253 using ::__gnu_cxx::strtold;
256 #endif // _GLIBCXX_USE_C99
258 #endif // !_GLIBCXX_HOSTED