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Editing: ostream.tcc
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// ostream classes -*- C++ -*- // Copyright (C) 1997-2021 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/>. /** @file bits/ostream.tcc * This is an internal header file, included by other library headers. * Do not attempt to use it directly. @headername{ostream} */ // // ISO C++ 14882: 27.6.2 Output streams // #ifndef _OSTREAM_TCC #define _OSTREAM_TCC 1 #pragma GCC system_header #include <bits/cxxabi_forced.h> namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>::sentry:: sentry(basic_ostream<_CharT, _Traits>& __os) : _M_ok(false), _M_os(__os) { // XXX MT if (__os.tie() && __os.good()) __os.tie()->flush(); if (__os.good()) _M_ok = true; else __os.setstate(ios_base::failbit); } template<typename _CharT, typename _Traits> template<typename _ValueT> basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>:: _M_insert(_ValueT __v) { sentry __cerb(*this); if (__cerb) { ios_base::iostate __err = ios_base::goodbit; __try { const __num_put_type& __np = __check_facet(this->_M_num_put); if (__np.put(*this, *this, this->fill(), __v).failed()) __err |= ios_base::badbit; } __catch(__cxxabiv1::__forced_unwind&) { this->_M_setstate(ios_base::badbit); __throw_exception_again; } __catch(...) { this->_M_setstate(ios_base::badbit); } if (__err) this->setstate(__err); } return *this; } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>:: operator<<(short __n) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 117. basic_ostream uses nonexistent num_put member functions. const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield; if (__fmt == ios_base::oct || __fmt == ios_base::hex) return _M_insert(static_cast<long>(static_cast<unsigned short>(__n))); else return _M_insert(static_cast<long>(__n)); } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>:: operator<<(int __n) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 117. basic_ostream uses nonexistent num_put member functions. const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield; if (__fmt == ios_base::oct || __fmt == ios_base::hex) return _M_insert(static_cast<long>(static_cast<unsigned int>(__n))); else return _M_insert(static_cast<long>(__n)); } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>:: operator<<(__streambuf_type* __sbin) { ios_base::iostate __err = ios_base::goodbit; sentry __cerb(*this); if (__cerb && __sbin) { __try { if (!__copy_streambufs(__sbin, this->rdbuf())) __err |= ios_base::failbit; } __catch(__cxxabiv1::__forced_unwind&) { this->_M_setstate(ios_base::badbit); __throw_exception_again; } __catch(...) { this->_M_setstate(ios_base::failbit); } } else if (!__sbin) __err |= ios_base::badbit; if (__err) this->setstate(__err); return *this; } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>:: put(char_type __c) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // DR 60. What is a formatted input function? // basic_ostream::put(char_type) is an unformatted output function. // DR 63. Exception-handling policy for unformatted output. // Unformatted output functions should catch exceptions thrown // from streambuf members. sentry __cerb(*this); if (__cerb) { ios_base::iostate __err = ios_base::goodbit; __try { const int_type __put = this->rdbuf()->sputc(__c); if (traits_type::eq_int_type(__put, traits_type::eof())) __err |= ios_base::badbit; } __catch(__cxxabiv1::__forced_unwind&) { this->_M_setstate(ios_base::badbit); __throw_exception_again; } __catch(...) { this->_M_setstate(ios_base::badbit); } if (__err) this->setstate(__err); } return *this; } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>:: write(const _CharT* __s, streamsize __n) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // DR 60. What is a formatted input function? // basic_ostream::write(const char_type*, streamsize) is an // unformatted output function. // DR 63. Exception-handling policy for unformatted output. // Unformatted output functions should catch exceptions thrown // from streambuf members. sentry __cerb(*this); if (__cerb) { __try { _M_write(__s, __n); } __catch(__cxxabiv1::__forced_unwind&) { this->_M_setstate(ios_base::badbit); __throw_exception_again; } __catch(...) { this->_M_setstate(ios_base::badbit); } } return *this; } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>:: flush() { // _GLIBCXX_RESOLVE_LIB_DEFECTS // DR 60. What is a formatted input function? // basic_ostream::flush() is *not* an unformatted output function. ios_base::iostate __err = ios_base::goodbit; __try { if (this->rdbuf() && this->rdbuf()->pubsync() == -1) __err |= ios_base::badbit; } __catch(__cxxabiv1::__forced_unwind&) { this->_M_setstate(ios_base::badbit); __throw_exception_again; } __catch(...) { this->_M_setstate(ios_base::badbit); } if (__err) this->setstate(__err); return *this; } template<typename _CharT, typename _Traits> typename basic_ostream<_CharT, _Traits>::pos_type basic_ostream<_CharT, _Traits>:: tellp() { pos_type __ret = pos_type(-1); __try { if (!this->fail()) __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out); } __catch(__cxxabiv1::__forced_unwind&) { this->_M_setstate(ios_base::badbit); __throw_exception_again; } __catch(...) { this->_M_setstate(ios_base::badbit); } return __ret; } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>:: seekp(pos_type __pos) { ios_base::iostate __err = ios_base::goodbit; __try { if (!this->fail()) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 136. seekp, seekg setting wrong streams? const pos_type __p = this->rdbuf()->pubseekpos(__pos, ios_base::out); // 129. Need error indication from seekp() and seekg() if (__p == pos_type(off_type(-1))) __err |= ios_base::failbit; } } __catch(__cxxabiv1::__forced_unwind&) { this->_M_setstate(ios_base::badbit); __throw_exception_again; } __catch(...) { this->_M_setstate(ios_base::badbit); } if (__err) this->setstate(__err); return *this; } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& basic_ostream<_CharT, _Traits>:: seekp(off_type __off, ios_base::seekdir __dir) { ios_base::iostate __err = ios_base::goodbit; __try { if (!this->fail()) { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 136. seekp, seekg setting wrong streams? const pos_type __p = this->rdbuf()->pubseekoff(__off, __dir, ios_base::out); // 129. Need error indication from seekp() and seekg() if (__p == pos_type(off_type(-1))) __err |= ios_base::failbit; } } __catch(__cxxabiv1::__forced_unwind&) { this->_M_setstate(ios_base::badbit); __throw_exception_again; } __catch(...) { this->_M_setstate(ios_base::badbit); } if (__err) this->setstate(__err); return *this; } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) { if (!__s) __out.setstate(ios_base::badbit); else { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 167. Improper use of traits_type::length() const size_t __clen = char_traits<char>::length(__s); __try { struct __ptr_guard { _CharT *__p; __ptr_guard (_CharT *__ip): __p(__ip) { } ~__ptr_guard() { delete[] __p; } _CharT* __get() { return __p; } } __pg (new _CharT[__clen]); _CharT *__ws = __pg.__get(); for (size_t __i = 0; __i < __clen; ++__i) __ws[__i] = __out.widen(__s[__i]); __ostream_insert(__out, __ws, __clen); } __catch(__cxxabiv1::__forced_unwind&) { __out._M_setstate(ios_base::badbit); __throw_exception_again; } __catch(...) { __out._M_setstate(ios_base::badbit); } } return __out; } // Inhibit implicit instantiations for required instantiations, // which are defined via explicit instantiations elsewhere. #if _GLIBCXX_EXTERN_TEMPLATE extern template class basic_ostream<char>; extern template ostream& endl(ostream&); extern template ostream& ends(ostream&); extern template ostream& flush(ostream&); extern template ostream& operator<<(ostream&, char); extern template ostream& operator<<(ostream&, unsigned char); extern template ostream& operator<<(ostream&, signed char); extern template ostream& operator<<(ostream&, const char*); extern template ostream& operator<<(ostream&, const unsigned char*); extern template ostream& operator<<(ostream&, const signed char*); extern template ostream& ostream::_M_insert(long); extern template ostream& ostream::_M_insert(unsigned long); extern template ostream& ostream::_M_insert(bool); #ifdef _GLIBCXX_USE_LONG_LONG extern template ostream& ostream::_M_insert(long long); extern template ostream& ostream::_M_insert(unsigned long long); #endif extern template ostream& ostream::_M_insert(double); extern template ostream& ostream::_M_insert(long double); extern template ostream& ostream::_M_insert(const void*); #ifdef _GLIBCXX_USE_WCHAR_T extern template class basic_ostream<wchar_t>; extern template wostream& endl(wostream&); extern template wostream& ends(wostream&); extern template wostream& flush(wostream&); extern template wostream& operator<<(wostream&, wchar_t); extern template wostream& operator<<(wostream&, char); extern template wostream& operator<<(wostream&, const wchar_t*); extern template wostream& operator<<(wostream&, const char*); extern template wostream& wostream::_M_insert(long); extern template wostream& wostream::_M_insert(unsigned long); extern template wostream& wostream::_M_insert(bool); #ifdef _GLIBCXX_USE_LONG_LONG extern template wostream& wostream::_M_insert(long long); extern template wostream& wostream::_M_insert(unsigned long long); #endif extern template wostream& wostream::_M_insert(double); extern template wostream& wostream::_M_insert(long double); extern template wostream& wostream::_M_insert(const void*); #endif #endif _GLIBCXX_END_NAMESPACE_VERSION } // namespace std #endif
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