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/**
* @file llmemorystream.cpp
* @author Phoenix
* @date 2005-06-03
* @brief Buffer and stream for a fixed linear memory segment.
*
* $LicenseInfo:firstyear=2005&license=viewergpl$
*
* Copyright (c) 2005-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llmemorystream.h"
LLMemoryStreamBuf::LLMemoryStreamBuf(const U8* start, S32 length)
{
reset(start, length);
}
LLMemoryStreamBuf::~LLMemoryStreamBuf()
{
}
void LLMemoryStreamBuf::reset(const U8* start, S32 length)
{
setg((char*)start, (char*)start, (char*)start + length);
}
int LLMemoryStreamBuf::underflow()
{
//lldebugs << "LLMemoryStreamBuf::underflow()" << llendl;
if(gptr() < egptr())
{
return *gptr();
}
return EOF;
}
/**
* @class LLMemoryStreamBuf
*/
LLMemoryStream::LLMemoryStream(const U8* start, S32 length) :
std::istream(&mStreamBuf),
mStreamBuf(start, length)
{
}
LLMemoryStream::~LLMemoryStream()
{
}
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