llmemorystream.cpp
上传用户:king477883
上传日期:2021-03-01
资源大小:9553k
文件大小:2k
- /**
- * @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) 2005-2010, 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()
- {
- }