5fa9abc3e9
2001-03-26 Benjamin Kosnik <bkoz@redhat.com> * include/bits/basic_file.h (get_fileno): Remove. (_M_fileno): Remove. (_M_cfile_created): Add. (basic_file::basic_file(__c_file_type*, openmode): Add. (basic_file::basic_file(int, const char*, openmode): Remove. * include/bits/fstream.tcc (basic_fstream::basic_filebuf(int __fd, const char*, ios_base::openmode): Don't allocate internal buffers. Turn off internal buffers. (basic_filebuf::overflow): Remove test for null buffer. (basic_filebuf::_M_really_overflow): Same. Allow unbuffered use. * include/bits/streambuf.cc: Tweak. * include/bits/std_ostream.h: Tweak. * config/basic_file_libio.h: Same. * config/basic_file_stdio.h: Same. * src/ios.cc (ios_base::Init::Init()): Unbuffer stdout by default. * testsuite/27_io/filebuf_members.cc: Tweaks. * testsuite/27_io/ios_base_members_static.cc: Tweaks. From-SVN: r40863
285 lines
8.3 KiB
C++
285 lines
8.3 KiB
C++
// Output streams -*- C++ -*-
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// Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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//
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// ISO C++ 14882: 27.6.2 Output streams
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//
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#ifndef _CPP_OSTREAM
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#define _CPP_OSTREAM 1
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#pragma GCC system_header
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#include <bits/std_ios.h>
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namespace std
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{
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// 27.6.2.1 Template class basic_ostream
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template<typename _CharT, typename _Traits>
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class basic_ostream : virtual public basic_ios<_CharT, _Traits>
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{
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public:
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// Types (inherited from basic_ios (27.4.4)):
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typedef _CharT char_type;
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typedef typename _Traits::int_type int_type;
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typedef typename _Traits::pos_type pos_type;
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typedef typename _Traits::off_type off_type;
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typedef _Traits traits_type;
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// Non-standard Types:
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typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
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typedef basic_ios<_CharT, _Traits> __ios_type;
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typedef basic_ostream<_CharT, _Traits> __ostream_type;
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typedef ostreambuf_iterator<_CharT> __ostreambuf_iter;
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typedef num_put<_CharT, __ostreambuf_iter> __numput_type;
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typedef ctype<_CharT> __ctype_type;
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// 27.6.2.2 Constructor/destructor:
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explicit
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basic_ostream(__streambuf_type* __sb)
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{ this->init(__sb); }
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virtual
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~basic_ostream()
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{ _M_fnumput = NULL; }
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// 27.6.2.3 Prefix/suffix:
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class sentry;
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friend class sentry;
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// 27.6.2.5 Formatted output:
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// 27.6.2.5.3 basic_ostream::operator<<
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__ostream_type&
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operator<<(__ostream_type& (*__pf)(__ostream_type&));
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__ostream_type&
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operator<<(__ios_type& (*__pf)(__ios_type&));
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__ostream_type&
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operator<<(ios_base& (*__pf) (ios_base&));
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// 27.6.2.5.2 Arithmetic Inserters
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__ostream_type&
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operator<<(long __n);
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__ostream_type&
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operator<<(unsigned long __n);
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__ostream_type&
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operator<<(bool __n);
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__ostream_type&
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operator<<(short __n)
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{
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ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
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if (__fmt & ios_base::oct || __fmt & ios_base::hex)
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return this->operator<<(static_cast<unsigned long>
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(static_cast<unsigned short>(__n)));
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else
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return this->operator<<(static_cast<long>(__n));
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}
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__ostream_type&
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operator<<(unsigned short __n)
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{ return this->operator<<(static_cast<unsigned long>(__n)); }
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__ostream_type&
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operator<<(int __n)
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{
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ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
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if (__fmt & ios_base::oct || __fmt & ios_base::hex)
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return this->operator<<(static_cast<unsigned long>
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(static_cast<unsigned int>(__n)));
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else
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return this->operator<<(static_cast<long>(__n));
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}
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__ostream_type&
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operator<<(unsigned int __n)
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{ return this->operator<<(static_cast<unsigned long>(__n)); }
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#ifdef _GLIBCPP_USE_LONG_LONG
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__ostream_type&
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operator<<(long long __n);
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__ostream_type&
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operator<<(unsigned long long __n);
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#endif
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__ostream_type&
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operator<<(double __f);
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__ostream_type&
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operator<<(float __f)
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{ return this->operator<<(static_cast<double>(__f)); }
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__ostream_type&
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operator<<(long double __f);
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__ostream_type&
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operator<<(const void* __p);
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__ostream_type&
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operator<<(__streambuf_type* __sb);
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// Unformatted output:
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__ostream_type&
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put(char_type __c);
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__ostream_type&
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write(const char_type* __s, streamsize __n);
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__ostream_type&
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flush();
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// Seeks:
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pos_type
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tellp();
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__ostream_type&
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seekp(pos_type);
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__ostream_type&
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seekp(off_type, ios_base::seekdir);
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private:
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#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
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// Not defined.
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__ostream_type&
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operator=(const __ostream_type&);
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basic_ostream(const __ostream_type&);
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#endif
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};
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// 27.6.2.3 Class basic_ostream::sentry
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template <typename _CharT, typename _Traits>
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class basic_ostream<_CharT, _Traits>::sentry
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{
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// Data Members:
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bool _M_ok;
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basic_ostream<_CharT,_Traits>& _M_os;
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public:
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explicit
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sentry(basic_ostream<_CharT,_Traits>& __os);
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~sentry()
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{
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// XXX MT
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if (_M_os.flags() & ios_base::unitbuf && !uncaught_exception())
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{
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// Can't call flush directly or else will get into recursive lock.
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if (_M_os.rdbuf() && _M_os.rdbuf()->pubsync() == -1)
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_M_os.setstate(ios_base::badbit);
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}
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}
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operator bool()
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{ return _M_ok; }
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};
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c);
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __out, char __c)
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{ return (__out << __out.widen(__c)); }
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// Specialization
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template <class _Traits>
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basic_ostream<char, _Traits>&
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operator<<(basic_ostream<char, _Traits>& __out, char __c);
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// Signed and unsigned
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template<class _Traits>
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basic_ostream<char, _Traits>&
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operator<<(basic_ostream<char, _Traits>& __out, signed char __c)
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{ return (__out << static_cast<char>(__c)); }
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template<class _Traits>
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basic_ostream<char, _Traits>&
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operator<<(basic_ostream<char, _Traits>& __out, unsigned char __c)
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{ return (__out << static_cast<char>(__c)); }
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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operator<<(basic_ostream<_CharT, _Traits>& __out, const _CharT* __s);
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits> &
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operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s);
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// Partial specializationss
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template<class _Traits>
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basic_ostream<char, _Traits>&
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operator<<(basic_ostream<char, _Traits>& __out, const char* __s);
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// Signed and unsigned
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template<class _Traits>
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basic_ostream<char, _Traits>&
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operator<<(basic_ostream<char, _Traits>& __out, const signed char* __s)
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{ return (__out << reinterpret_cast<const char*>(__s)); }
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template<class _Traits>
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basic_ostream<char, _Traits> &
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operator<<(basic_ostream<char, _Traits>& __out, const unsigned char* __s)
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{ return (__out << reinterpret_cast<const char*>(__s)); }
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// 27.6.2.7 Standard basic_ostream manipulators
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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endl(basic_ostream<_CharT, _Traits>& __os)
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{ return flush(__os.put(__os.widen('\n'))); }
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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ends(basic_ostream<_CharT, _Traits>& __os)
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{ return __os.put(_CharT()); }
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template<typename _CharT, typename _Traits>
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basic_ostream<_CharT, _Traits>&
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flush(basic_ostream<_CharT, _Traits>& __os)
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{ return __os.flush(); }
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} // namespace std
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#ifdef _GLIBCPP_NO_TEMPLATE_EXPORT
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# define export
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#ifdef _GLIBCPP_FULLY_COMPLIANT_HEADERS
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# include <bits/ostream.tcc>
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#endif
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#endif
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#endif /* _CPP_OSTREAM */
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