📄 ostream.tcc
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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 (...) { 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::iostate(ios_base::goodbit); try { if (this->rdbuf() && this->rdbuf()->pubsync() == -1) __err |= ios_base::badbit; } 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(...) { 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::iostate(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(...) { 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::iostate(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(...) { this->_M_setstate(ios_base::badbit); } if (__err) this->setstate(__err); return *this; } // 27.6.2.5.4 Character inserters. template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c) { typedef basic_ostream<_CharT, _Traits> __ostream_type; typename __ostream_type::sentry __cerb(__out); if (__cerb) { try { const streamsize __w = __out.width(); streamsize __len = 1; _CharT* __cs = &__c; if (__w > __len) { __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w)); __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs, &__c, __w, __len, false); __len = __w; } __out._M_write(__cs, __len); __out.width(0); } catch(...) { __out._M_setstate(ios_base::badbit); } } return __out; } // Specializations. template <class _Traits> basic_ostream<char, _Traits>& operator<<(basic_ostream<char, _Traits>& __out, char __c) { typedef basic_ostream<char, _Traits> __ostream_type; typename __ostream_type::sentry __cerb(__out); if (__cerb) { try { const streamsize __w = __out.width(); streamsize __len = 1; char* __cs = &__c; if (__w > __len) { __cs = static_cast<char*>(__builtin_alloca(__w)); __pad<char, _Traits>::_S_pad(__out, __out.fill(), __cs, &__c, __w, __len, false); __len = __w; } __out._M_write(__cs, __len); __out.width(0); } catch(...) { __out._M_setstate(ios_base::badbit); } } return __out; } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s) { typedef basic_ostream<_CharT, _Traits> __ostream_type; typename __ostream_type::sentry __cerb(__out); if (__cerb && __s) { try { const streamsize __w = __out.width(); streamsize __len = static_cast<streamsize>(_Traits::length(__s)); if (__w > __len) { _CharT* __cs = (static_cast< _CharT*>(__builtin_alloca(sizeof(_CharT) * __w))); __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs, __s, __w, __len, false); __s = __cs; __len = __w; } __out._M_write(__s, __len); __out.width(0); } catch(...) { __out._M_setstate(ios_base::badbit); } } else if (!__s) __out.setstate(ios_base::badbit); return __out; } template<typename _CharT, typename _Traits> basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s) { typedef basic_ostream<_CharT, _Traits> __ostream_type; // _GLIBCXX_RESOLVE_LIB_DEFECTS // 167. Improper use of traits_type::length() // Note that this is only in 'Review' status. typedef char_traits<char> __traits_type; typename __ostream_type::sentry __cerb(__out); if (__cerb && __s) { size_t __clen = __traits_type::length(__s); _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __clen)); for (size_t __i = 0; __i < __clen; ++__i) __ws[__i] = __out.widen(__s[__i]); _CharT* __str = __ws; try { const streamsize __w = __out.width(); streamsize __len = static_cast<streamsize>(__clen); if (__w > __len) { _CharT* __cs = (static_cast< _CharT*>(__builtin_alloca(sizeof(_CharT) * __w))); __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs, __ws, __w, __len, false); __str = __cs; __len = __w; } __out._M_write(__str, __len); __out.width(0); } catch(...) { __out._M_setstate(ios_base::badbit); } } else if (!__s) __out.setstate(ios_base::badbit); return __out; } // Partial specializations. template<class _Traits> basic_ostream<char, _Traits>& operator<<(basic_ostream<char, _Traits>& __out, const char* __s) { typedef basic_ostream<char, _Traits> __ostream_type; typename __ostream_type::sentry __cerb(__out); if (__cerb && __s) { try { const streamsize __w = __out.width(); streamsize __len = static_cast<streamsize>(_Traits::length(__s)); if (__w > __len) { char* __cs = static_cast<char*>(__builtin_alloca(__w)); __pad<char, _Traits>::_S_pad(__out, __out.fill(), __cs, __s, __w, __len, false); __s = __cs; __len = __w; } __out._M_write(__s, __len); __out.width(0); } catch(...) { __out._M_setstate(ios_base::badbit); } } else if (!__s) __out.setstate(ios_base::badbit); return __out; } // 21.3.7.9 basic_string::operator<< template<typename _CharT, typename _Traits, typename _Alloc> basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __out, const basic_string<_CharT, _Traits, _Alloc>& __str) { typedef basic_ostream<_CharT, _Traits> __ostream_type; typename __ostream_type::sentry __cerb(__out); if (__cerb) { const streamsize __w = __out.width(); streamsize __len = static_cast<streamsize>(__str.size()); const _CharT* __s = __str.data(); // _GLIBCXX_RESOLVE_LIB_DEFECTS // 25. String operator<< uses width() value wrong if (__w > __len) { _CharT* __cs = (static_cast< _CharT*>(__builtin_alloca(sizeof(_CharT) * __w))); __pad<_CharT, _Traits>::_S_pad(__out, __out.fill(), __cs, __s, __w, __len, false); __s = __cs; __len = __w; } __out._M_write(__s, __len); __out.width(0); } return __out; } // Inhibit implicit instantiations for required instantiations, // which are defined via explicit instantiations elsewhere. // NB: This syntax is a GNU extension.#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*);#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*);#endif#endif} // namespace std#endif
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