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/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
* streamglue loopback adds a streamGlueHeader to start of the write stream
*/
#include <stdio.h>
#include <stdlib.h>
#include "GEN_messaging.h"
#include "zlib.h"
#include "BLO_writeStreamGlue.h"
#include "BLO_dumpFromMemory.h"
int
BLO_dumpFromMemory(
unsigned char *data,
unsigned int dataIn,
struct streamGlueHeaderStruct *streamGlueHeader)
{
struct writeStreamGlueStruct *streamGlue = NULL;
int err = 0;
#ifndef NDEBUG
fprintf(GEN_errorstream,
"BLO_dumpFromMemory: %u streamGlueHeader + %u data = %u\n",
STREAMGLUEHEADERSIZE,
dataIn,
STREAMGLUEHEADERSIZE + dataIn);
#endif
// all data is in. set size in streamGlueHeader and write it out
streamGlueHeader->totalStreamLength = htonl(dataIn);
streamGlueHeader->crc = htonl(crc32(0L, (const Bytef *) streamGlueHeader,
STREAMGLUEHEADERSIZE - 4));
err = writeStreamGlue(
Global_streamGlueControl,
&streamGlue,
(unsigned char *)streamGlueHeader,
STREAMGLUEHEADERSIZE,
0);
if (err) return err;
// write out data
err = writeStreamGlue(
Global_streamGlueControl,
&streamGlue,
data,
dataIn,
1);
return err;
}
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