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