97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1995 - 1999
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//
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// File: filever.cpp
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//
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// Contents: Get file version
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//
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// Functions: I_CryptGetFileVersion
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//
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// History: 22-Oct-97 philh created
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//--------------------------------------------------------------------------
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#include "global.hxx"
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#include "crypthlp.h"
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#include "unicode.h"
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#include <dbgdef.h>
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//+-------------------------------------------------------------------------
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// Get file version of the specified file
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//--------------------------------------------------------------------------
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BOOL
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WINAPI
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I_CryptGetFileVersion(
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IN LPCWSTR pwszFilename,
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OUT DWORD *pdwFileVersionMS, /* e.g. 0x00030075 = "3.75" */
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OUT DWORD *pdwFileVersionLS /* e.g. 0x00000031 = "0.31" */
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)
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{
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BOOL fResult;
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DWORD dwExceptionCode;
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BYTE rgb1[_MAX_PATH];
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LPSTR pszFilename = NULL;
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DWORD dwHandle = 0;
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DWORD cbInfo;
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void *pvInfo = NULL;
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VS_FIXEDFILEINFO *pFixedFileInfo = NULL; // not allocated
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UINT ccFixedFileInfo = 0;
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if (!MkMBStr(rgb1, _MAX_PATH, pwszFilename, &pszFilename))
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goto OutOfMemory;
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// The following APIs are in DELAYLOAD'ed version.dll. If the DELAYLOAD
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// fails an exception is raised.
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__try {
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if (0 == (cbInfo = GetFileVersionInfoSizeA(pszFilename, &dwHandle)))
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goto GetFileVersionInfoSizeError;
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if (NULL == (pvInfo = malloc(cbInfo)))
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goto OutOfMemory;
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if (!GetFileVersionInfoA(
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pszFilename,
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0, // dwHandle, ignored
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cbInfo,
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pvInfo
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))
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goto GetFileVersionInfoError;
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if (!VerQueryValueA(
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pvInfo,
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"\\", // VS_FIXEDFILEINFO
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(void **) &pFixedFileInfo,
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&ccFixedFileInfo
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))
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goto VerQueryValueError;
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} __except(EXCEPTION_EXECUTE_HANDLER) {
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dwExceptionCode = GetExceptionCode();
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goto GetFileVersionException;
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}
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*pdwFileVersionMS = pFixedFileInfo->dwFileVersionMS;
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*pdwFileVersionLS = pFixedFileInfo->dwFileVersionLS;
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fResult = TRUE;
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CommonReturn:
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FreeMBStr(rgb1, pszFilename);
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if (pvInfo)
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free(pvInfo);
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return fResult;
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ErrorReturn:
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*pdwFileVersionMS = 0;
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*pdwFileVersionLS = 0;
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fResult = FALSE;
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goto CommonReturn;
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TRACE_ERROR(OutOfMemory)
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TRACE_ERROR(GetFileVersionInfoSizeError)
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TRACE_ERROR(GetFileVersionInfoError)
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TRACE_ERROR(VerQueryValueError)
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SET_ERROR_VAR(GetFileVersionException, dwExceptionCode)
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}
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