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/*
* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2007, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 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.
*/
#ifndef __CIO_H
#define __CIO_H
/**
@file cio.h
@brief Implementation of a byte input-output process (CIO)
The functions in CIO.C have for goal to realize a byte input / output process.
*/
/** @defgroup CIO CIO - byte input-output stream */
/*@{*/
/** @name Exported functions (see also openjpeg.h) */
/*@{*/
/* ----------------------------------------------------------------------- */
/**
Number of bytes left before the end of the stream
@param cio CIO handle
@return Returns the number of bytes before the end of the stream
*/
int cio_numbytesleft(opj_cio_t *cio);
/**
Get pointer to the current position in the stream
@param cio CIO handle
@return Returns a pointer to the current position
*/
unsigned char *cio_getbp(opj_cio_t *cio);
/**
Write some bytes
@param cio CIO handle
@param v Value to write
@param n Number of bytes to write
@return Returns the number of bytes written or 0 if an error occured
*/
unsigned int cio_write(opj_cio_t *cio, unsigned int v, int n);
/**
Read some bytes
@param cio CIO handle
@param n Number of bytes to read
@return Returns the value of the n bytes read
*/
unsigned int cio_read(opj_cio_t *cio, int n);
/**
Skip some bytes
@param cio CIO handle
@param n Number of bytes to skip
*/
void cio_skip(opj_cio_t *cio, int n);
/* ----------------------------------------------------------------------- */
/*@}*/
/*@}*/
#endif /* __CIO_H */
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