openjpeg/applications/jpip/tools/indexer/ext_libopenjpeg/cio_ext.c

64 lines
2.4 KiB
C

/*
* $Id$
*
* Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
* Copyright (c) 2002-2011, 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
* Copyright (c) 2010-2011, Kaori Hagihara
* 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.
*/
#include "cio_ext.h"
#include "event.h"
/*
* Write a byte.
* A copy of cio.c:opj_bool cio_byteout(opj_cio_t *cio, unsigned char v)
*/
opj_bool cio_ext_byteout(opj_cio_t *cio, unsigned char v);
unsigned int cio_ext_write( opj_cio_t *cio, unsigned long long int v, int n)
{
int i;
for (i = n - 1; i >= 0; i--) {
if( !cio_ext_byteout(cio, (unsigned char) ((v >> (i << 3)) & 0xff)) )
return 0;
}
return n;
}
opj_bool cio_ext_byteout(opj_cio_t *cio, unsigned char v)
{
if (cio->bp >= cio->end) {
opj_event_msg(cio->cinfo, EVT_ERROR, "write error\n");
return OPJ_FALSE;
}
*cio->bp++ = v;
return OPJ_TRUE;
}