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/*
* Copyright (c) 2001-2002, David Janssens
* 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
/*
* Number of bytes written.
*
* returns number of bytes written
*/
int cio_numbytes();
/*
* Get position in byte stream.
*
* return position in bytes
*/
int cio_tell();
/*
* Set position in byte stream.
*
* pos : position, in number of bytes, from the beginning of the stream
*/
void cio_seek(int pos);
/*
* Number of bytes left before the end of the stream.
*
* Returns the number of bytes before the end of the stream
*/
int cio_numbytesleft();
/*
* Get pointer to the current position in the stream.
*
* return : pointer to the position
*/
unsigned char *cio_getbp();
/*
* Initialize byte IO
*
* bp : destination/source stream
* len : length of the stream
*/
void cio_init(unsigned char *bp, int len);
/*
* Write some bytes.
*
* v : value to write
* n : number of bytes to write
*/
void cio_write(unsigned int v, int n);
/*
* Read some bytes.
*
* n : number of bytes to read
*
* return : value of the n bytes read
*/
unsigned int cio_read(int n);
/*
* Skip some bytes.
*
* n : number of bytes to skip
*/
void cio_skip(int n);
#endif
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