159 lines
4.6 KiB
C++
159 lines
4.6 KiB
C++
//+----------------------------------------------------------------------------
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//
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// File: getmodulever.cpp
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//
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// Module: CMSETUP.LIB, CMUTIL.DLL
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//
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// Synopsis: Implementation of the GetModuleVersionAndLCID function.
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//
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// Copyright (c) 1998-2001 Microsoft Corporation
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//
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// Author: quintinb Created Header 08/19/99
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//
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//+----------------------------------------------------------------------------
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#include "cmutil.h"
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//+----------------------------------------------------------------------------
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//
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// Function: GetModuleVersionAndLCID
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//
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// Synopsis: Gets the version information and LCID from the specified module
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//
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// Arguments: LPTSTR pszFile - Full path to the file to get the version number of
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// LPDWORD pdwVersion - version number (Hiword Major, Loword Minor)
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// LPDWORD pdwBuild - build number (Hiword Major, Loword Minor)
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// LPDWORD pdwLCID - returns the Locale ID that the module was localized too
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//
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// Returns: HRESULT -- S_OK if successful, an error code otherwise
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//
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// History: quintinb -- Code borrowed from Yoshifumi "Vogue" Inoue
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// from (private\admin\wsh\host\verutil.cpp).
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// Rewritten to match our coding style. 9/14/98
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// 17-Oct-2000 SumitC cleanup, fixed leaks, moved to common\source
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//
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// Notes: There are 2 versions of this function, which take ANSI and Unicode
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// versions of the pszFile argument.
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//
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//+----------------------------------------------------------------------------
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HRESULT GetModuleVersionAndLCID (LPSTR pszFile, LPDWORD pdwVersion, LPDWORD pdwBuild, LPDWORD pdwLCID)
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{
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HRESULT hr = S_OK;
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HANDLE hHeap = NULL;
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LPVOID pData = NULL;
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DWORD dwHandle;
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DWORD dwLen;
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if ((NULL == pdwVersion) || (NULL == pdwBuild) || (NULL == pdwLCID) ||
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(NULL == pszFile) || (TEXT('\0') == pszFile))
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{
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hr = E_POINTER;
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goto Cleanup;
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}
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*pdwVersion = 0;
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*pdwBuild = 0;
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*pdwLCID = 0;
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dwLen = GetFileVersionInfoSizeA(pszFile, &dwHandle);
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if (0 == dwLen)
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{
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hr = HRESULT_FROM_WIN32(GetLastError());
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goto Cleanup;
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}
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hHeap = GetProcessHeap();
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if (NULL == hHeap)
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{
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hr = E_POINTER;
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CMASSERTMSG(FALSE, TEXT("GetModuleVersionAndLCID -- couldn't get a handle to the process heap."));
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goto Cleanup;
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}
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pData = HeapAlloc(hHeap, HEAP_ZERO_MEMORY, dwLen);
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if (!pData)
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{
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hr = E_OUTOFMEMORY;
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CMASSERTMSG(FALSE, TEXT("GetModuleVersionAndLCID -- couldn't alloc on the process heap."));
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goto Cleanup;
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}
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if (!GetFileVersionInfoA(pszFile, dwHandle, dwLen, pData))
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{
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hr = HRESULT_FROM_WIN32(GetLastError());
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goto Cleanup;
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}
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VS_FIXEDFILEINFO* pVerInfo;
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LPVOID pInfo;
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UINT nLen;
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if (!VerQueryValueA(pData, "\\", &pInfo, &nLen))
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{
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hr = HRESULT_FROM_WIN32(GetLastError());
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goto Cleanup;
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}
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pVerInfo = (VS_FIXEDFILEINFO*) pInfo;
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*pdwVersion = pVerInfo->dwProductVersionMS;
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*pdwBuild = pVerInfo->dwProductVersionLS;
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//
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// Now get the language the binary was compiled for
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//
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typedef struct _LANGANDCODEPAGE
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{
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WORD wLanguage;
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WORD wCodePage;
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} LangAndCodePage;
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nLen = 0;
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LangAndCodePage* pTranslate = NULL;
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if (!VerQueryValueA(pData, "\\VarFileInfo\\Translation", (PVOID*)&pTranslate, &nLen))
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{
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hr = HRESULT_FROM_WIN32(GetLastError());
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goto Cleanup;
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}
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//
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// Let's assert that we only got one LangAndCodePage struct back. We technically
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// could get more than one back but we certainly aren't expecting more than one. If we
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// get more than one, use the first one as the language of the dll.
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//
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MYDBGASSERT(1 == (nLen/sizeof(LangAndCodePage)));
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if ((nLen/sizeof(LangAndCodePage)) >= 1)
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{
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*pdwLCID = pTranslate[0].wLanguage;
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}
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Cleanup:
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if (hHeap)
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{
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HeapFree(hHeap, 0, pData);
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}
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return hr;
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}
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//+----------------------------------------------------------------------------
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// This is the Unicode version of GetModuleVersionAndLCID (the first arg is LPWSTR)
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// and it just calls the Ansi version above.
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//+----------------------------------------------------------------------------
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HRESULT GetModuleVersionAndLCID (LPWSTR pszFile, LPDWORD pdwVersion, LPDWORD pdwBuild, LPDWORD pdwLCID)
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{
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CHAR pszAnsiFileName[MAX_PATH + 1];
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if (WideCharToMultiByte(CP_ACP, 0, pszFile, -1, pszAnsiFileName, MAX_PATH, NULL, NULL))
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{
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return GetModuleVersionAndLCID(pszAnsiFileName, pdwVersion, pdwBuild, pdwLCID);
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}
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return E_INVALIDARG;
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}
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