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Annotation of GNUtools/libg++/libio/SFile.h, revision 1.1.1.1

1.1       root        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 ([email protected])
                      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 GNU CC; see the file COPYING.  If not, write to
                     18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, 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: #pragma cplusplus
                     30: #endif
                     31: #define _SFile_h 1
                     32: 
                     33: #include <fstream.h>
                     34: 
                     35: class SFile: public fstream
                     36: {
                     37:   protected:
                     38:     int       sz;                   // unit size for structured binary IO
                     39: 
                     40: public:
                     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: 
                     54: #endif

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