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Diffstat (limited to 'libstdc++-v3/include/c_std/cstdlib')
| -rw-r--r-- | libstdc++-v3/include/c_std/cstdlib | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/libstdc++-v3/include/c_std/cstdlib b/libstdc++-v3/include/c_std/cstdlib new file mode 100644 index 000000000..c3fe8aa45 --- /dev/null +++ b/libstdc++-v3/include/c_std/cstdlib @@ -0,0 +1,225 @@ +// -*- C++ -*- forwarding header. + +// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, +// 2009, 2010 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 +// + +#ifndef _GLIBCXX_CSTDLIB +#define _GLIBCXX_CSTDLIB 1 + +#pragma GCC system_header + +#include <bits/c++config.h> + +#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 (*)()) throw (); + extern "C" void exit(int) throw () _GLIBCXX_NORETURN; +} // namespace + +#else + +#include <stdlib.h> + +// Get rid of those macros defined in <stdlib.h> in lieu of real functions. +#undef abort +#undef abs +#undef atexit +#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 +#undef rand +#undef realloc +#undef srand +#undef strtod +#undef strtol +#undef strtoul +#undef system +#undef wcstombs +#undef wctomb + +namespace std _GLIBCXX_VISIBILITY(default) +{ +_GLIBCXX_BEGIN_NAMESPACE_VERSION + + using ::div_t; + using ::ldiv_t; + + using ::abort; + using ::abs; + using ::atexit; + 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; + 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 + + inline long + abs(long __i) { return labs(__i); } + + inline ldiv_t + div(long __i, long __j) { return ldiv(__i, __j); } + +_GLIBCXX_END_NAMESPACE_VERSION +} // namespace + +#if _GLIBCXX_USE_C99 + +#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 + + inline long long + abs(long long __x) { return __x >= 0 ? __x : -__x; } + +#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; + using ::__gnu_cxx::abs; +#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 + +#endif // !_GLIBCXX_HOSTED + +#endif |