79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/**
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* @file lldirguard.h
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* @brief Protect working directory from being changed in scope.
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*
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* $LicenseInfo:firstyear=2009&license=viewergpl$
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*
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* Copyright (c) 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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#ifndef LL_DIRGUARD_H
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#define LL_DIRGUARD_H
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#include "linden_common.h"
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#include "llerror.h"
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#if LL_WINDOWS
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class LLDirectoryGuard
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{
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public:
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LLDirectoryGuard()
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{
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mOrigDirLen = GetCurrentDirectory(MAX_PATH, mOrigDir);
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}
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~LLDirectoryGuard()
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{
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mFinalDirLen = GetCurrentDirectory(MAX_PATH, mFinalDir);
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if ((mOrigDirLen!=mFinalDirLen) ||
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(wcsncmp(mOrigDir,mFinalDir,mOrigDirLen)!=0))
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{
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// Dir has changed
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std::string mOrigDirUtf8 = utf16str_to_utf8str(llutf16string(mOrigDir));
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std::string mFinalDirUtf8 = utf16str_to_utf8str(llutf16string(mFinalDir));
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llinfos << "Resetting working dir from " << mFinalDirUtf8 << " to " << mOrigDirUtf8 << llendl;
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SetCurrentDirectory(mOrigDir);
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}
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}
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private:
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TCHAR mOrigDir[MAX_PATH];
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DWORD mOrigDirLen;
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TCHAR mFinalDir[MAX_PATH];
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DWORD mFinalDirLen;
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};
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#else // No-op outside Windows.
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class LLDirectoryGuard
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{
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public:
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LLDirectoryGuard() {}
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~LLDirectoryGuard() {}
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};
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#endif
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#endif
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