54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
/* This is part of libio/iostream, providing -*- C++ -*- input/output.
|
|
Copyright (C) 1988, 1992, 1993 Free Software Foundation
|
|
written by Doug Lea (dl@rocky.oswego.edu)
|
|
|
|
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 GNU CC; see the file COPYING. If not, write to
|
|
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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. */
|
|
|
|
#ifndef _SFile_h
|
|
#ifdef __GNUG__
|
|
#pragma interface
|
|
#endif
|
|
#define _SFile_h 1
|
|
|
|
#include <fstream.h>
|
|
|
|
class SFile: public fstream
|
|
{
|
|
protected:
|
|
int sz; // unit size for structured binary IO
|
|
|
|
public:
|
|
SFile() : fstream() { }
|
|
SFile(int fd, int size);
|
|
SFile(const char *name, int size, int mode, int prot=0664);
|
|
void open(const char *name, int size, int mode, int prot=0664);
|
|
|
|
int size() { return sz; }
|
|
int setsize(int s) { int old = sz; sz = s; return old; }
|
|
|
|
SFile& get(void* x);
|
|
SFile& put(void* x);
|
|
SFile& operator[](long i);
|
|
};
|
|
|
|
#endif
|