1/* This is part of libio/iostream, providing -*- C++ -*- input/output.
2Copyright (C) 1988, 1992, 1993 Free Software Foundation
3    written by Doug Lea (dl@rocky.oswego.edu)
4
5This file is part of the GNU IO Library.  This library is free
6software; you can redistribute it and/or modify it under the
7terms of the GNU General Public License as published by the
8Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11This library is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with this library; see the file COPYING.  If not, write to the Free
18Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19
20As a special exception, if you link this library with files
21compiled with a GNU compiler to produce an executable, this does not cause
22the resulting executable to be covered by the GNU General Public License.
23This exception does not however invalidate any other reasons why
24the executable file might be covered by the GNU General Public License. */
25
26#ifndef _SFile_h
27#ifdef __GNUG__
28#pragma interface
29#endif
30#define _SFile_h 1
31
32#include <fstream.h>
33
34extern "C++" {
35class SFile: public fstream
36{
37  protected:
38    long      sz;                   // unit size for structured binary IO
39
40public:
41    SFile() : fstream() { }
42    SFile(int fd, int size);
43    SFile(const char *name, int size, int mode, int prot=0664);
44    void open(const char *name, int size, int mode, int prot=0664);
45
46    int       size() { return sz; }
47    int       setsize(int s) { int old = sz; sz = s; return old; }
48
49    SFile&    get(void* x);
50    SFile&    put(void* x);
51    SFile&    operator[](long i);
52};
53} // extern "C++"
54
55#endif
56