73 lines
1.9 KiB
C++
73 lines
1.9 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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* $LicenseInfo:firstyear=2009&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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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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LL_INFOS() << "Resetting working dir from " << mFinalDirUtf8 << " to " << mOrigDirUtf8 << LL_ENDL;
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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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