fsio.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _FSIO_H_
- #define _FSIO_H_
- #include "sio.h"
- #define FSIO HX_FSIO
- #define SET_OFFSET 1
- class IO;
- class FSIO: public SIO {
- public:
- FSIO(IO* i, int blksize);
- FSIO(const char* name, int flags, mode_t mode = 0);
- ~FSIO();
- int set_bufsize(int size);
- int get_bufsize();
- Byte* read_alloc(int& size, off_t seek, int whence);
- Byte* write_alloc(int& size, off_t seek, int whence);
- off_t read_seek(off_t off, int whence);
- off_t write_seek(off_t off, int whence);
- int read_pushback(Byte* buf, int len);
- char * get_pathname() { return pathname; }
- int get_would_block();
- private:
- char *pathname;
- mode_t mode;
- int bufsize;
- Byte* _read_alloc(int& size);
- void _read_free(Byte* buf);
- Byte* _write_alloc(int& size);
- int _write_free(Byte* buf);
- int _write_flush(Region* reg);
- off_t file_size();
- int would_block;
- };
- #endif /* _FSIO_H_ */