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Diffstat (limited to 'libio/stdiostream.h')
-rw-r--r-- | libio/stdiostream.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libio/stdiostream.h b/libio/stdiostream.h new file mode 100644 index 00000000000..b973d7a39b6 --- /dev/null +++ b/libio/stdiostream.h @@ -0,0 +1,79 @@ +/* This is part of libio/iostream, providing -*- C++ -*- input/output. +Copyright (C) 1993 Free Software Foundation + +This file is part of the GNU IO 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 2, 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. + +You should have received a copy of the GNU General Public License +along with this library; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +As a special exception, if you link this library with files +compiled with a GNU compiler to produce an executable, this does not cause +the resulting executable to be covered by the GNU General Public License. +This exception does not however invalidate any other reasons why +the executable file might be covered by the GNU General Public License. */ + +/* Written by Per Bothner (bothner@cygnus.com). */ + +#ifndef _STDIOSTREAM_H +#define _STDIOSTREAM_H + +#ifdef __GNUG__ +#pragma interface +#endif + +#include <iostream.h> +#include <stdio.h> + +extern "C++" { +class stdiobuf : public filebuf { + protected: + FILE *_file; + public: + FILE* stdiofile() const { return _file; } + stdiobuf(FILE *); + ~stdiobuf(); + int buffered () const { return _flags & _IO_UNBUFFERED ? 0 : 1; } + void buffered (int); + virtual streamsize sys_read(char*, streamsize); + virtual streampos sys_seek(streamoff, _seek_dir); + virtual streamsize sys_write(const char*, streamsize); + virtual int sys_close(); + virtual int sync(); + virtual int overflow(int c = EOF); + streamsize xsputn(const char* s, streamsize n); +}; + +class istdiostream : public istream +{ +private: + stdiobuf _file; +public: + istdiostream (FILE* __f) : istream(), _file(__f) { init(&_file); } + stdiobuf* rdbuf()/* const */ { return &_file; } + int buffered () const { return _file.buffered (); } + void buffered (int _i) { _file.buffered (_i); } +}; + +class ostdiostream : public ostream +{ +private: + stdiobuf _file; +public: + ostdiostream (FILE* __f) : ostream(), _file(__f) { init(&_file); } + stdiobuf* rdbuf() /* const */ { return &_file; } + int buffered () const { return _file.buffered (); } + void buffered (int _i) { _file.buffered (_i); } +}; +} // extern "C++" + +#endif /* !_STDIOSTREAM_H */ |