136ac495dSmrg // Iostreams base classes -*- C++ -*- 236ac495dSmrg 3*8feb0f0bSmrg // Copyright (C) 1997-2020 Free Software Foundation, Inc. 436ac495dSmrg // 536ac495dSmrg // This file is part of the GNU ISO C++ Library. This library is free 636ac495dSmrg // software; you can redistribute it and/or modify it under the 736ac495dSmrg // terms of the GNU General Public License as published by the 836ac495dSmrg // Free Software Foundation; either version 3, or (at your option) 936ac495dSmrg // any later version. 1036ac495dSmrg 1136ac495dSmrg // This library is distributed in the hope that it will be useful, 1236ac495dSmrg // but WITHOUT ANY WARRANTY; without even the implied warranty of 1336ac495dSmrg // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1436ac495dSmrg // GNU General Public License for more details. 1536ac495dSmrg 1636ac495dSmrg // Under Section 7 of GPL version 3, you are granted additional 1736ac495dSmrg // permissions described in the GCC Runtime Library Exception, version 1836ac495dSmrg // 3.1, as published by the Free Software Foundation. 1936ac495dSmrg 2036ac495dSmrg // You should have received a copy of the GNU General Public License and 2136ac495dSmrg // a copy of the GCC Runtime Library Exception along with this program; 2236ac495dSmrg // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 2336ac495dSmrg // <http://www.gnu.org/licenses/>. 2436ac495dSmrg 2536ac495dSmrg // 2636ac495dSmrg // ISO C++ 14882:1998: 27.4.2.1.1 Class ios_base::failure 2736ac495dSmrg // 2836ac495dSmrg 2936ac495dSmrg #define _GLIBCXX_USE_CXX11_ABI 0 3036ac495dSmrg #include <ios> 3136ac495dSmrg 3236ac495dSmrg #if _GLIBCXX_USE_DUAL_ABI && __cpp_rtti 3336ac495dSmrg #include <cxxabi.h> 3436ac495dSmrg #include <typeinfo> 3536ac495dSmrg #endif 3636ac495dSmrg 3736ac495dSmrg #ifdef _GLIBCXX_USE_NLS 3836ac495dSmrg # include <libintl.h> 3936ac495dSmrg # define _(msgid) gettext (msgid) 4036ac495dSmrg #else 4136ac495dSmrg # define _(msgid) (msgid) 4236ac495dSmrg #endif 4336ac495dSmrg 4436ac495dSmrg namespace std _GLIBCXX_VISIBILITY(default) 4536ac495dSmrg { 4636ac495dSmrg _GLIBCXX_BEGIN_NAMESPACE_VERSION 4736ac495dSmrg failure(const string & __str)4836ac495dSmrg ios_base::failure::failure(const string& __str) throw() 4936ac495dSmrg : _M_msg(__str) { } 5036ac495dSmrg ~failure()5136ac495dSmrg ios_base::failure::~failure() throw() 5236ac495dSmrg { } 5336ac495dSmrg 5436ac495dSmrg const char* what() const5536ac495dSmrg ios_base::failure::what() const throw() 5636ac495dSmrg { return _M_msg.c_str(); } 5736ac495dSmrg 5836ac495dSmrg #if _GLIBCXX_USE_DUAL_ABI 5936ac495dSmrg // When the dual ABI is enabled __throw_ios_failure() is defined in 6036ac495dSmrg // src/c++11/cxx11-ios_failure.cc 6136ac495dSmrg #if __cpp_rtti 6236ac495dSmrg // If RTTI is enabled the exception type thrown will use these functions to 6336ac495dSmrg // construct/destroy a gcc4-compatible ios::failure object in a buffer, 6436ac495dSmrg // and to catch that object via a handler of the gcc4-compatible type. 6536ac495dSmrg void __construct_ios_failure(void * buf,const char * msg)6636ac495dSmrg __construct_ios_failure(void* buf, const char* msg) 6736ac495dSmrg { ::new(buf) ios_base::failure(msg); } 6836ac495dSmrg 6936ac495dSmrg void __destroy_ios_failure(void * buf)7036ac495dSmrg __destroy_ios_failure(void* buf) 7136ac495dSmrg { static_cast<ios_base::failure*>(buf)->~failure(); } 7236ac495dSmrg 7336ac495dSmrg bool __is_ios_failure_handler(const __cxxabiv1::__class_type_info * type)7436ac495dSmrg __is_ios_failure_handler(const __cxxabiv1::__class_type_info* type) 7536ac495dSmrg { return *type == typeid(ios::failure); } 7636ac495dSmrg 7736ac495dSmrg namespace { 7836ac495dSmrg // C++98-style static assertions to ensure ios::failure fits in a buffer 7936ac495dSmrg // with the same size and alignment as runtime_error: 8036ac495dSmrg typedef char S[1 / (sizeof(ios::failure) <= sizeof(runtime_error))]; 8136ac495dSmrg typedef char A[1 / (__alignof(ios::failure) <= __alignof(runtime_error))]; 8236ac495dSmrg } 8336ac495dSmrg #endif // __cpp_rtti 8436ac495dSmrg 8536ac495dSmrg #else // ! _GLIBCXX_USE_DUAL_ABI 8636ac495dSmrg 8736ac495dSmrg void __throw_ios_failure(const char * __s)8836ac495dSmrg __throw_ios_failure(const char* __s __attribute__((unused))) 8936ac495dSmrg { _GLIBCXX_THROW_OR_ABORT(ios::failure(_(__s))); } 9036ac495dSmrg 91c0a68be4Smrg void __throw_ios_failure(const char * str,int)92c0a68be4Smrg __throw_ios_failure(const char* str, int) 93c0a68be4Smrg { __throw_ios_failure(str); } 94c0a68be4Smrg 95c0a68be4Smrg #endif // _GLIBCXX_USE_DUAL_ABI 9636ac495dSmrg 9736ac495dSmrg _GLIBCXX_END_NAMESPACE_VERSION 9836ac495dSmrg } // namespace 99