1/* This is part of libio/iostream, providing -*- C++ -*- input/output.
2Copyright (C) 1993 Free Software Foundation
3
4This file is part of the GNU IO Library.  This library is free
5software; you can redistribute it and/or modify it under the
6terms of the GNU General Public License as published by the
7Free Software Foundation; either version 2, or (at your option)
8any later version.
9
10This library is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with this library; see the file COPYING.  If not, write to the Free
17Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19As a special exception, if you link this library with files
20compiled with a GNU compiler to produce an executable, this does not cause
21the resulting executable to be covered by the GNU General Public License.
22This exception does not however invalidate any other reasons why
23the executable file might be covered by the GNU General Public License. */
24
25/* Written by Per Bothner (bothner@cygnus.com). */
26
27#ifndef _STDIOSTREAM_H
28#define _STDIOSTREAM_H
29
30#ifdef __GNUG__
31#pragma interface
32#endif
33
34#include <iostream.h>
35#include <stdio.h>
36
37extern "C++" {
38class stdiobuf : public filebuf {
39  protected:
40    FILE *_file;
41  public:
42    FILE* stdiofile() const { return _file; }
43    stdiobuf(FILE *);
44    ~stdiobuf();
45    int buffered () const { return _flags & _IO_UNBUFFERED ? 0 : 1; }
46    void buffered (int);
47    virtual streamsize sys_read(char*, streamsize);
48    virtual streampos sys_seek(streamoff, _seek_dir);
49    virtual streamsize sys_write(const char*, streamsize);
50    virtual int sys_close();
51    virtual int sync();
52    virtual int overflow(int c = EOF);
53    streamsize xsputn(const char* s, streamsize n);
54};
55
56class istdiostream : public istream
57{
58private:
59  stdiobuf _file;
60public:
61  istdiostream (FILE* __f) : istream(), _file(__f) { init(&_file); }
62  stdiobuf* rdbuf()/* const */ { return &_file; }
63  int buffered () const { return _file.buffered (); }
64  void buffered (int _i) { _file.buffered (_i); }
65};
66
67class ostdiostream : public ostream
68{
69private:
70  stdiobuf _file;
71public:
72  ostdiostream (FILE* __f) : ostream(), _file(__f) { init(&_file); }
73  stdiobuf* rdbuf() /* const */ { return &_file; }
74  int buffered () const { return _file.buffered (); }
75  void buffered (int _i) { _file.buffered (_i); }
76};
77} // extern "C++"
78
79#endif /* !_STDIOSTREAM_H */
80