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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// GetProductVersionNumber.h
//
// Helper function to retrieve the file version number of a file.
//
// ======================================================================================
#ifndef __GetProductVersionNumber_h__
#define __GetProductVersionNumber_h__
#include "contract.h"
#include "sstring.h"
#include "holder.h"
#include "ex.h"
//---------------------------------------------------------------------------------------
//
// Given the full path to an image, return the product version number.
//
// Arguments:
// szFullPath - full path to the image
// pdwVersionMS - out parameter; return the most significant 4 bytes of the version number according to
// the VS_FIXEDFILEINFO convention
// pdwVersionLS - out parameter; return the least significant 4 bytes of the version number according to
// the VS_FIXEDFILEINFO convention
//
// Notes:
// Throws on error
void inline GetProductVersionNumber(SString &szFullPath, DWORD * pdwVersionMS, DWORD * pdwVersionLS)
{
WRAPPER_NO_CONTRACT;
#ifndef FEATURE_PAL
DWORD dwDummy = 0;
DWORD dwFileInfoSize = 0;
// Get the size of all of the file version information.
dwFileInfoSize = GetFileVersionInfoSize(szFullPath, &dwDummy);
if (dwFileInfoSize == 0)
{
ThrowLastError();
}
// Create the buffer to store the file information.
NewHolder<BYTE> pbFileInfo(new BYTE[dwFileInfoSize]);
// Actually retrieve the file version information.
if (!GetFileVersionInfo(szFullPath, NULL, dwFileInfoSize, pbFileInfo))
{
ThrowLastError();
}
// Now retrieve only the relevant version information, which will be returned in a VS_FIXEDFILEINFO.
UINT uVersionInfoSize = 0;
VS_FIXEDFILEINFO * pVersionInfo = NULL;
if (!VerQueryValue(pbFileInfo, W("\\"), reinterpret_cast<LPVOID *>(&pVersionInfo), &uVersionInfoSize))
{
ThrowLastError();
}
_ASSERTE(uVersionInfoSize == sizeof(VS_FIXEDFILEINFO));
*pdwVersionMS = pVersionInfo->dwProductVersionMS;
*pdwVersionLS = pVersionInfo->dwProductVersionLS;
#else
*pdwVersionMS = 0;
*pdwVersionLS = 0;
#endif // FEATURE_PAL
}
#endif // __GetProductVersionNumber_h__
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