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cygwin.com Git - cygwin-apps/setup.git/blob - io_stream_file.h
2 * Copyright (c) 2001, Robert Collins.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * A copy of the GNU General Public License can be found at
12 * Written by Robert Collins <rbtcollins@hotmail.com>
16 #ifndef SETUP_IO_STREAM_FILE_H
17 #define SETUP_IO_STREAM_FILE_H
19 #include "io_stream.h"
22 /* io_stream on disk files
25 class io_stream_file
:public io_stream
28 static int exists (const std::string
& );
29 static int remove (const std::string
& );
30 static int mklink (const std::string
& , const std::string
& , io_stream_link_t
);
31 io_stream_file (const std::string
& ,const std::string
& );
32 virtual ~ io_stream_file ();
33 /* read data (duh!) */
34 virtual ssize_t
read (void *buffer
, size_t len
);
35 /* provide data to (double duh!) */
36 virtual ssize_t
write (const void *buffer
, size_t len
);
37 /* read data without removing it from the class's internal buffer */
38 virtual ssize_t
peek (void *buffer
, size_t len
);
40 virtual int seek (long where
, io_stream_seek_t whence
);
41 /* can't guess, oh well */
43 virtual int set_mtime (int);
44 /* not relevant yet */
45 virtual int get_mtime ()
49 virtual size_t get_size ();
50 static int move (const std::string
& ,const std::string
& );
52 /* always require parameters */
62 #endif /* SETUP_IO_STREAM_FILE_H */
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