1 // <system_error> implementation file
3 // Copyright (C) 2007, 2008, 2009, 2010 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/>.
27 #include <system_error>
28 #include <bits/functexcept.h>
35 struct generic_error_category : public std::error_category
44 // XXX locale issues: how does one get or set loc.
45 // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
46 return string(strerror(i));
50 struct system_error_category : public std::error_category
59 // XXX locale issues: how does one get or set loc.
60 // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
61 return string(strerror(i));
65 const generic_error_category generic_category_instance;
66 const system_error_category system_category_instance;
69 _GLIBCXX_BEGIN_NAMESPACE(std)
72 system_category() throw() { return system_category_instance; }
75 generic_category() throw() { return generic_category_instance; }
77 system_error::~system_error() throw() { }
80 error_category::default_error_condition(int __i) const
81 { return error_condition(__i, *this); }
84 error_category::equivalent(int __i, const error_condition& __cond) const
85 { return default_error_condition(__i) == __cond; }
88 error_category::equivalent(const error_code& __code, int __i) const
89 { return *this == __code.category() && __code.value() == __i; }
92 error_code::default_error_condition() const
93 { return category().default_error_condition(value()); }
95 _GLIBCXX_END_NAMESPACE