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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
#include "precomp.h"
int __cdecl wmain(
__in int argc,
__in LPWSTR argv[]
)
{
DWORD er = ERROR_SUCCESS;
HRESULT hr = S_OK;
LPCWSTR wzDestinationFile = argc > 1 ? argv[1] : NULL;
LPCWSTR wzGoodFile = argc > 2 ? argv[2] : NULL;
LPCWSTR wzBackupFile = argc > 3 ? argv[3] : NULL;
if (!wzDestinationFile || !*wzDestinationFile || !wzGoodFile || !*wzGoodFile)
{
ExitWithRootFailure(hr, E_INVALIDARG, "Invalid args");
}
if (wzBackupFile && *wzBackupFile && !::CopyFileW(wzDestinationFile, wzBackupFile, FALSE))
{
er = ::GetLastError();
if (ERROR_PATH_NOT_FOUND != er && ERROR_FILE_NOT_FOUND != er)
{
ExitOnWin32Error(er, hr, "Failed to copy to backup file");
}
}
if (!::CopyFileW(wzGoodFile, wzDestinationFile, FALSE))
{
ExitWithLastError(hr, "Failed to copy in good file");
}
LExit:
return FAILED(hr) ? (int)hr : (int)0;
}
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