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 #ifndef _GLIBCXX_CSTDLIB
40 #define _GLIBCXX_CSTDLIB 1
42 #pragma GCC system_header
44 #include <bits/c++config.h>
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 (*)()) throw ();
59 extern "C" void exit(int) throw () _GLIBCXX_NORETURN;
66 // Get rid of those macros defined in <stdlib.h> in lieu of real functions.
96 namespace std _GLIBCXX_VISIBILITY(default)
98 _GLIBCXX_BEGIN_NAMESPACE_VERSION
118 #ifdef _GLIBCXX_HAVE_MBSTATE_T
122 #endif // _GLIBCXX_HAVE_MBSTATE_T
131 #ifdef _GLIBCXX_USE_WCHAR_T
134 #endif // _GLIBCXX_USE_WCHAR_T
137 abs(long __i) { return __builtin_labs(__i); }
139 #ifdef _GLIBCXX_USE_LONG_LONG
141 abs(long long __x) { return __builtin_llabs (__x); }
144 #if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
146 abs(__int128 __x) { return __x >= 0 ? __x : -__x; }
150 div(long __i, long __j) { return ldiv(__i, __j); }
152 _GLIBCXX_END_NAMESPACE_VERSION
166 namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
168 _GLIBCXX_BEGIN_NAMESPACE_VERSION
170 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
173 #if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
174 extern "C" void (_Exit)(int) throw () _GLIBCXX_NORETURN;
176 #if !_GLIBCXX_USE_C99_DYNAMIC
180 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
184 div(long long __n, long long __d)
185 { lldiv_t __q; __q.quot = __n / __d; __q.rem = __n % __d; return __q; }
190 #if _GLIBCXX_USE_C99_LONG_LONG_CHECK || _GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
191 extern "C" long long int (atoll)(const char *) throw ();
192 extern "C" long long int
193 (strtoll)(const char * __restrict, char ** __restrict, int) throw ();
194 extern "C" unsigned long long int
195 (strtoull)(const char * __restrict, char ** __restrict, int) throw ();
197 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
205 _GLIBCXX_END_NAMESPACE_VERSION
206 } // namespace __gnu_cxx
210 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
211 using ::__gnu_cxx::lldiv_t;
213 using ::__gnu_cxx::_Exit;
214 #if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
215 using ::__gnu_cxx::llabs;
216 using ::__gnu_cxx::div;
217 using ::__gnu_cxx::lldiv;
219 using ::__gnu_cxx::atoll;
220 using ::__gnu_cxx::strtof;
221 using ::__gnu_cxx::strtoll;
222 using ::__gnu_cxx::strtoull;
223 using ::__gnu_cxx::strtold;
226 #endif // _GLIBCXX_USE_C99
228 #endif // !_GLIBCXX_HOSTED