1 // <system_error> implementation file
3 // Copyright (C) 2007-2017 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/>.
26 #define _GLIBCXX_USE_CXX11_ABI 1
27 #define __sso_string __sso_stringxxx
29 #include <system_error>
30 #include <bits/functexcept.h>
38 struct generic_error_category
: public std::error_category
44 _GLIBCXX_DEFAULT_ABI_TAG
48 // XXX locale issues: how does one get or set loc.
49 // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
50 return string(strerror(i
));
54 struct system_error_category
: public std::error_category
60 _GLIBCXX_DEFAULT_ABI_TAG
64 // XXX locale issues: how does one get or set loc.
65 // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc)
66 return string(strerror(i
));
70 const generic_error_category generic_category_instance
{};
71 const system_error_category system_category_instance
{};
74 namespace std
_GLIBCXX_VISIBILITY(default)
76 _GLIBCXX_BEGIN_NAMESPACE_VERSION
79 __throw_system_error(int __i
__attribute__((unused
)))
81 _GLIBCXX_THROW_OR_ABORT(system_error(error_code(__i
, generic_category())));
84 error_category::~error_category() noexcept
= default;
87 _V2::system_category() noexcept
{ return system_category_instance
; }
90 _V2::generic_category() noexcept
{ return generic_category_instance
; }
92 system_error::~system_error() noexcept
= default;
95 error_category::default_error_condition(int __i
) const noexcept
96 { return error_condition(__i
, *this); }
99 error_category::equivalent(int __i
,
100 const error_condition
& __cond
) const noexcept
101 { return default_error_condition(__i
) == __cond
; }
104 error_category::equivalent(const error_code
& __code
, int __i
) const noexcept
105 { return *this == __code
.category() && __code
.value() == __i
; }
108 error_code::default_error_condition() const noexcept
109 { return category().default_error_condition(value()); }
111 #if _GLIBCXX_USE_CXX11_ABI
112 // Return error_category::message() as a COW string
114 error_category::_M_message(int i
) const
116 string msg
= this->message(i
);
117 return {msg
.c_str(), msg
.length()};
121 _GLIBCXX_END_NAMESPACE_VERSION