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// <system_error> implementation file
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// Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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#include <cstring>
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#include <system_error>
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#include <bits/functexcept.h>
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#include <limits>
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namespace
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{
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using std::string;
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struct generic_error_category : public std::error_category
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{
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virtual const char*
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name() const
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{ return "generic"; }
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virtual string
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message(int i) const
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{
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// XXX locale issues: how does one get or set loc.
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// _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
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return string(strerror(i));
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}
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};
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struct system_error_category : public std::error_category
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{
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virtual const char*
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name() const
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{ return "system"; }
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virtual string
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message(int i) const
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{
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// XXX locale issues: how does one get or set loc.
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// _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
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return string(strerror(i));
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}
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};
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const generic_error_category generic_category_instance;
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const system_error_category system_category_instance;
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}
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_GLIBCXX_BEGIN_NAMESPACE(std)
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const error_category&
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system_category() throw() { return system_category_instance; }
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const error_category&
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generic_category() throw() { return generic_category_instance; }
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system_error::~system_error() throw() { }
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error_condition
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error_category::default_error_condition(int __i) const
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{ return error_condition(__i, *this); }
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bool
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error_category::equivalent(int __i, const error_condition& __cond) const
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{ return default_error_condition(__i) == __cond; }
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bool
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error_category::equivalent(const error_code& __code, int __i) const
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{ return *this == __code.category() && __code.value() == __i; }
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error_condition
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error_code::default_error_condition() const
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{ return category().default_error_condition(value()); }
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_GLIBCXX_END_NAMESPACE
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