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- // This may look like C code, but it is really -*- C++ -*-
- /*
- Copyright (C) 1988, 1992 Free Software Foundation
- written by Doug Lea (dl@rocky.oswego.edu)
-
- This file is part of the GNU C++ Library. This library is free
- software; you can redistribute it and/or modify it under the terms of
- the GNU Library General Public License as published by the Free
- Software Foundation; either version 2 of the License, 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 Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #ifndef _SFile_h
- #ifdef __GNUG__
- #pragma interface
- #endif
- #define _SFile_h 1
-
- #include <File.h>
-
- class SFile: public File
- {
- protected:
- int sz; // unit size for structured binary IO
-
- public:
- SFile();
- SFile(const char* filename, int size, io_mode m, access_mode a);
- SFile(const char* filename, int size, const char* m);
- SFile(int filedesc, int size, io_mode m);
- SFile(FILE* fileptr, int size);
-
- ~SFile();
-
- int size();
- int setsize(int s);
-
- SFile& get(void* x);
- SFile& put(void* x);
- SFile& operator[](long i);
- };
-
- #if defined(__OPTIMIZE__) || defined(USE_LIBGXX_INLINES)
-
-
- inline int SFile::size()
- {
- return sz;
- }
-
- inline int SFile::setsize(int s)
- {
- int old = sz;
- sz = s;
- return old;
- }
-
- inline SFile& SFile::get(void* x)
- {
- read(x, sz, 1); return *this;
- }
-
- inline SFile& SFile::put(void* x)
- {
- write(x, sz, 1); return *this;
- }
-
- inline SFile& SFile::operator[](long i)
- {
- seek(i * sz, 0); return *this;
- }
-
-
- #endif
-
- #endif
-