1 // <system_error> implementation file 2 3 // Copyright (C) 2007-2014 Free Software Foundation, Inc. 4 // 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) 9 // any later version. 10 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. 15 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. 19 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/>. 24 25 26 #include <cstring> 27 #include <system_error> 28 #include <bits/functexcept.h> 29 #include <limits> 30 31 namespace 32 { 33 using std::string; 34 35 struct generic_error_category : public std::error_category 36 { 37 virtual const char* name__anon459880960111::generic_error_category38 name() const noexcept 39 { return "generic"; } 40 41 virtual string message__anon459880960111::generic_error_category42 message(int i) const 43 { 44 // XXX locale issues: how does one get or set loc. 45 // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc) 46 return string(strerror(i)); 47 } 48 }; 49 50 struct system_error_category : public std::error_category 51 { 52 virtual const char* name__anon459880960111::system_error_category53 name() const noexcept 54 { return "system"; } 55 56 virtual string message__anon459880960111::system_error_category57 message(int i) const 58 { 59 // XXX locale issues: how does one get or set loc. 60 // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc) 61 return string(strerror(i)); 62 } 63 }; 64 65 const generic_error_category generic_category_instance{}; 66 const system_error_category system_category_instance{}; 67 } 68 69 namespace std _GLIBCXX_VISIBILITY(default) 70 { 71 _GLIBCXX_BEGIN_NAMESPACE_VERSION 72 73 error_category::~error_category() noexcept = default; 74 75 const error_category& system_category()76 system_category() noexcept { return system_category_instance; } 77 78 const error_category& generic_category()79 generic_category() noexcept { return generic_category_instance; } 80 81 system_error::~system_error() noexcept = default; 82 83 error_condition default_error_condition(int __i) const84 error_category::default_error_condition(int __i) const noexcept 85 { return error_condition(__i, *this); } 86 87 bool equivalent(int __i,const error_condition & __cond) const88 error_category::equivalent(int __i, 89 const error_condition& __cond) const noexcept 90 { return default_error_condition(__i) == __cond; } 91 92 bool equivalent(const error_code & __code,int __i) const93 error_category::equivalent(const error_code& __code, int __i) const noexcept 94 { return *this == __code.category() && __code.value() == __i; } 95 96 error_condition default_error_condition() const97 error_code::default_error_condition() const noexcept 98 { return category().default_error_condition(value()); } 99 100 _GLIBCXX_END_NAMESPACE_VERSION 101 } // namespace 102