1*38fd1498Szrj // <system_error> implementation file 2*38fd1498Szrj 3*38fd1498Szrj // Copyright (C) 2007-2018 Free Software Foundation, Inc. 4*38fd1498Szrj // 5*38fd1498Szrj // This file is part of the GNU ISO C++ Library. This library is free 6*38fd1498Szrj // software; you can redistribute it and/or modify it under the 7*38fd1498Szrj // terms of the GNU General Public License as published by the 8*38fd1498Szrj // Free Software Foundation; either version 3, or (at your option) 9*38fd1498Szrj // any later version. 10*38fd1498Szrj 11*38fd1498Szrj // This library is distributed in the hope that it will be useful, 12*38fd1498Szrj // but WITHOUT ANY WARRANTY; without even the implied warranty of 13*38fd1498Szrj // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*38fd1498Szrj // GNU General Public License for more details. 15*38fd1498Szrj 16*38fd1498Szrj // Under Section 7 of GPL version 3, you are granted additional 17*38fd1498Szrj // permissions described in the GCC Runtime Library Exception, version 18*38fd1498Szrj // 3.1, as published by the Free Software Foundation. 19*38fd1498Szrj 20*38fd1498Szrj // You should have received a copy of the GNU General Public License and 21*38fd1498Szrj // a copy of the GCC Runtime Library Exception along with this program; 22*38fd1498Szrj // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23*38fd1498Szrj // <http://www.gnu.org/licenses/>. 24*38fd1498Szrj 25*38fd1498Szrj 26*38fd1498Szrj #define _GLIBCXX_USE_CXX11_ABI 1 27*38fd1498Szrj #define __sso_string __sso_stringxxx 28*38fd1498Szrj #include <cstring> 29*38fd1498Szrj #include <system_error> 30*38fd1498Szrj #include <bits/functexcept.h> 31*38fd1498Szrj #include <limits> 32*38fd1498Szrj #undef __sso_string 33*38fd1498Szrj 34*38fd1498Szrj namespace 35*38fd1498Szrj { 36*38fd1498Szrj using std::string; 37*38fd1498Szrj 38*38fd1498Szrj struct generic_error_category : public std::error_category 39*38fd1498Szrj { 40*38fd1498Szrj virtual const char* 41*38fd1498Szrj name() const noexcept 42*38fd1498Szrj { return "generic"; } 43*38fd1498Szrj 44*38fd1498Szrj _GLIBCXX_DEFAULT_ABI_TAG 45*38fd1498Szrj virtual string 46*38fd1498Szrj message(int i) const 47*38fd1498Szrj { 48*38fd1498Szrj // XXX locale issues: how does one get or set loc. 49*38fd1498Szrj // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc) 50*38fd1498Szrj return string(strerror(i)); 51*38fd1498Szrj } 52*38fd1498Szrj }; 53*38fd1498Szrj 54*38fd1498Szrj struct system_error_category : public std::error_category 55*38fd1498Szrj { 56*38fd1498Szrj virtual const char* 57*38fd1498Szrj name() const noexcept 58*38fd1498Szrj { return "system"; } 59*38fd1498Szrj 60*38fd1498Szrj _GLIBCXX_DEFAULT_ABI_TAG 61*38fd1498Szrj virtual string 62*38fd1498Szrj message(int i) const 63*38fd1498Szrj { 64*38fd1498Szrj // XXX locale issues: how does one get or set loc. 65*38fd1498Szrj // _GLIBCXX_HAVE_STRERROR_L, strerror_l(i, cloc) 66*38fd1498Szrj return string(strerror(i)); 67*38fd1498Szrj } 68*38fd1498Szrj }; 69*38fd1498Szrj 70*38fd1498Szrj const generic_error_category generic_category_instance{}; 71*38fd1498Szrj const system_error_category system_category_instance{}; 72*38fd1498Szrj } 73*38fd1498Szrj 74*38fd1498Szrj namespace std _GLIBCXX_VISIBILITY(default) 75*38fd1498Szrj { 76*38fd1498Szrj _GLIBCXX_BEGIN_NAMESPACE_VERSION 77*38fd1498Szrj 78*38fd1498Szrj void 79*38fd1498Szrj __throw_system_error(int __i __attribute__((unused))) 80*38fd1498Szrj { 81*38fd1498Szrj _GLIBCXX_THROW_OR_ABORT(system_error(error_code(__i, generic_category()))); 82*38fd1498Szrj } 83*38fd1498Szrj 84*38fd1498Szrj error_category::~error_category() noexcept = default; 85*38fd1498Szrj 86*38fd1498Szrj const error_category& 87*38fd1498Szrj _V2::system_category() noexcept { return system_category_instance; } 88*38fd1498Szrj 89*38fd1498Szrj const error_category& 90*38fd1498Szrj _V2::generic_category() noexcept { return generic_category_instance; } 91*38fd1498Szrj 92*38fd1498Szrj system_error::~system_error() noexcept = default; 93*38fd1498Szrj 94*38fd1498Szrj error_condition 95*38fd1498Szrj error_category::default_error_condition(int __i) const noexcept 96*38fd1498Szrj { return error_condition(__i, *this); } 97*38fd1498Szrj 98*38fd1498Szrj bool 99*38fd1498Szrj error_category::equivalent(int __i, 100*38fd1498Szrj const error_condition& __cond) const noexcept 101*38fd1498Szrj { return default_error_condition(__i) == __cond; } 102*38fd1498Szrj 103*38fd1498Szrj bool 104*38fd1498Szrj error_category::equivalent(const error_code& __code, int __i) const noexcept 105*38fd1498Szrj { return *this == __code.category() && __code.value() == __i; } 106*38fd1498Szrj 107*38fd1498Szrj error_condition 108*38fd1498Szrj error_code::default_error_condition() const noexcept 109*38fd1498Szrj { return category().default_error_condition(value()); } 110*38fd1498Szrj 111*38fd1498Szrj #if _GLIBCXX_USE_CXX11_ABI 112*38fd1498Szrj // Return error_category::message() as a COW string 113*38fd1498Szrj __cow_string 114*38fd1498Szrj error_category::_M_message(int i) const 115*38fd1498Szrj { 116*38fd1498Szrj string msg = this->message(i); 117*38fd1498Szrj return {msg.c_str(), msg.length()}; 118*38fd1498Szrj } 119*38fd1498Szrj #endif 120*38fd1498Szrj 121*38fd1498Szrj _GLIBCXX_END_NAMESPACE_VERSION 122*38fd1498Szrj } // namespace 123