gmio/src/gmio_core/streampos.h

63 lines
2.4 KiB
C
Raw Normal View History

/****************************************************************************
2016-07-05 18:46:22 +08:00
** Copyright (c) 2016, Fougue Ltd. <http://www.fougue.pro>
** All rights reserved.
**
2016-07-05 18:46:22 +08:00
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
2016-07-05 18:46:22 +08:00
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
**
** 2. Redistributions in binary form must reproduce the above
** copyright notice, this list of conditions and the following
** disclaimer in the documentation and/or other materials provided
** with the distribution.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
****************************************************************************/
/*! \file streampos.h
* Declaration of gmio_streampos and utility functions
*
* \addtogroup gmio_core
* @{
*/
#ifndef GMIO_STREAMPOS_H
#define GMIO_STREAMPOS_H
#include "global.h"
2016-03-11 19:43:30 +08:00
/*! \c GMIO_STREAMPOS_COOKIE_SIZE
* Size of the byte array gmio_streampos::cookie */
enum { GMIO_STREAMPOS_COOKIE_SIZE = 32 /* bytes */ };
2015-09-20 05:15:06 +08:00
/*! Specifies a position within a stream
*
* The information in gmio_streampos objects is usually filled by a call to
2015-09-20 05:15:06 +08:00
* gmio_stream::func_get_pos(), which takes a pointer to an object of this type
* as argument.
*
* The content of a gmio_streampos object is not meant to be read directly,
2015-09-20 05:15:06 +08:00
* but only to be used as an argument in a call to gmio_stream::func_set_pos()
*/
struct gmio_streampos
{
2015-09-20 05:15:06 +08:00
/*! Stores the actual(concrete) stream position object */
uint8_t cookie[GMIO_STREAMPOS_COOKIE_SIZE];
};
#endif /* GMIO_STREAMPOS_H */
/*! @} */