1 // <system_error> implementation file
3 // Copyright (C) 2007, 2008
4 // Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction. Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License. This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
32 #include <system_error>
33 #include <bits/functexcept.h>
40 struct gnu_error_category : public std::error_category
45 const char* s = "GNU";
52 // XXX locale issues: how does one get or set loc.
53 // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
54 return string(strerror(i));
58 const gnu_error_category gnu_category;
61 _GLIBCXX_BEGIN_NAMESPACE(std)
64 get_posix_category() { return gnu_category; }
67 get_system_category() { return gnu_category; }
69 system_error::~system_error() throw() { }
72 error_category::default_error_condition(int __i) const
73 { return error_condition(__i, *this); }
76 error_category::equivalent(int __i, const error_condition& __cond) const
77 { return default_error_condition(__i) == __cond; }
80 error_category::equivalent(const error_code& __code, int __i) const
81 { return *this == __code.category() && __code.value() == __i; }
84 error_code::default_error_condition() const
85 { return category().default_error_condition(value()); }
87 _GLIBCXX_END_NAMESPACE