78 lines
2.5 KiB
C
78 lines
2.5 KiB
C
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/* This is part of libio/iostream, providing -*- C++ -*- input/output.
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Copyright (C) 1993 Free Software Foundation
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This file is part of the GNU IO 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
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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As a special exception, if you link this library with files
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compiled with a GNU compiler to produce an executable, this does not cause
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the resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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/* Written by Per Bothner (bothner@cygnus.com). */
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#ifndef _STDIOSTREAM_H
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#define _STDIOSTREAM_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include <iostream.h>
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#include <stdio.h>
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class stdiobuf : public filebuf {
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protected:
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FILE *_file;
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public:
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FILE* stdiofile() const { return _file; }
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stdiobuf(FILE *);
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~stdiobuf();
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int buffered () const { return _flags & _IO_UNBUFFERED ? 0 : 1; }
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void buffered (int);
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virtual streamsize sys_read(char*, streamsize);
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virtual streampos sys_seek(streamoff, _seek_dir);
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virtual streamsize sys_write(const char*, streamsize);
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virtual int sys_close();
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virtual int sync();
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virtual int overflow(int c = EOF);
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streamsize xsputn(const char* s, streamsize n);
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};
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class istdiostream : public istream
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{
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private:
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stdiobuf _file;
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public:
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istdiostream (FILE* __f) : _file(__f), istream() { init(&_file); }
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stdiobuf* rdbuf()/* const */ { return &_file; }
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int buffered () const { return _file.buffered (); }
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void buffered (int _i) { _file.buffered (_i); }
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};
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class ostdiostream : public ostream
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{
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private:
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stdiobuf _file;
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public:
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ostdiostream (FILE* __f) : _file(__f), ostream() { init(&_file); }
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stdiobuf* rdbuf() /* const */ { return &_file; }
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int buffered () const { return _file.buffered (); }
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void buffered (int _i) { _file.buffered (_i); }
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};
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#endif /* !_STDIOSTREAM_H */
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