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// <system_error> implementation file
// Copyright (C) 2007-2016 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/>.
#define _GLIBCXX_USE_CXX11_ABI 1
#define __sso_string __sso_stringxxx
#include <cstring>
#include <system_error>
#include <bits/functexcept.h>
#include <limits>
#undef __sso_string
namespace
{
using std::string;
struct generic_error_category : public std::error_category
{
virtual const char*
name() const noexcept
{ return "generic"; }
_GLIBCXX_DEFAULT_ABI_TAG
virtual string
message(int i) const
{
// XXX locale issues: how does one get or set loc.
// _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
return string(strerror(i));
}
};
struct system_error_category : public std::error_category
{
virtual const char*
name() const noexcept
{ return "system"; }
_GLIBCXX_DEFAULT_ABI_TAG
virtual string
message(int i) const
{
// XXX locale issues: how does one get or set loc.
// _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
return string(strerror(i));
}
};
const generic_error_category generic_category_instance{};
const system_error_category system_category_instance{};
}
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
void
__throw_system_error(int __i __attribute__((unused)))
{
_GLIBCXX_THROW_OR_ABORT(system_error(error_code(__i, generic_category())));
}
error_category::~error_category() noexcept = default;
const error_category&
_V2::system_category() noexcept { return system_category_instance; }
const error_category&
_V2::generic_category() noexcept { return generic_category_instance; }
system_error::~system_error() noexcept = default;
error_condition
error_category::default_error_condition(int __i) const noexcept
{ return error_condition(__i, *this); }
bool
error_category::equivalent(int __i,
const error_condition& __cond) const noexcept
{ return default_error_condition(__i) == __cond; }
bool
error_category::equivalent(const error_code& __code, int __i) const noexcept
{ return *this == __code.category() && __code.value() == __i; }
error_condition
error_code::default_error_condition() const noexcept
{ return category().default_error_condition(value()); }
#if _GLIBCXX_USE_CXX11_ABI
// Return error_category::message() as a COW string
__cow_string
error_category::_M_message(int i) const
{
string msg = this->message(i);
return {msg.c_str(), msg.length()};
}
#endif
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace
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