1 /* This is part of libio/iostream, providing -*- C++ -*- input/output. 2 Copyright (C) 1988, 1992, 1993 Free Software Foundation 3 written by Doug Lea (dl@rocky.oswego.edu) 4 5 This file is part of the GNU IO Library. This library is free 6 software; you can redistribute it and/or modify it under the 7 terms of the GNU General Public License as published by the 8 Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 This library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this library; see the file COPYING. If not, write to the Free 18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 19 20 As a special exception, if you link this library with files 21 compiled with a GNU compiler to produce an executable, this does not cause 22 the resulting executable to be covered by the GNU General Public License. 23 This exception does not however invalidate any other reasons why 24 the 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 34 extern "C++" { 35 class SFile: public fstream 36 { 37 protected: 38 long sz; // unit size for structured binary IO 39 40 public: SFile()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 size()46 int size() { return sz; } setsize(int s)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