| // <system_error> implementation file |
| |
| // Copyright (C) 2007, 2008, 2009 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/>. |
| |
| |
| #include <cstring> |
| #include <system_error> |
| #include <bits/functexcept.h> |
| #include <limits> |
| |
| namespace |
| { |
| using std::string; |
| |
| struct generic_error_category : public std::error_category |
| { |
| virtual const char* |
| name() const |
| { return "generic"; } |
| |
| 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 |
| { return "system"; } |
| |
| 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; |
| } |
| |
| _GLIBCXX_BEGIN_NAMESPACE(std) |
| |
| const error_category& |
| system_category() { return system_category_instance; } |
| |
| const error_category& |
| generic_category() { return generic_category_instance; } |
| |
| system_error::~system_error() throw() { } |
| |
| error_condition |
| error_category::default_error_condition(int __i) const |
| { return error_condition(__i, *this); } |
| |
| bool |
| error_category::equivalent(int __i, const error_condition& __cond) const |
| { return default_error_condition(__i) == __cond; } |
| |
| bool |
| error_category::equivalent(const error_code& __code, int __i) const |
| { return *this == __code.category() && __code.value() == __i; } |
| |
| error_condition |
| error_code::default_error_condition() const |
| { return category().default_error_condition(value()); } |
| |
| _GLIBCXX_END_NAMESPACE |