codverify.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:5k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #if defined( _WIN32 ) || defined( _WINDOWS )
- #include <hxtypes.h>
- #include <windows.h>
- #include <windowsx.h>
- #ifndef _WIN32
- #include <ver.h>
- #endif
- #endif
- #include <stdlib.h>
- #include <string.h>
- #if defined( _WIN32 ) || defined( _WINDOWS )
- #ifndef _WINCE
- #include <dos.h>
- #include "hxloader.h"
- #include <io.h>
- #endif
- #endif
- #include "hxassert.h"
- #include "safestring.h"
- #include "codverify.h"
- #include "hlxosstr.h"
- BOOL DoesCodecFileExist(const char * DecDllPath)
- {
- #if defined(_STATICALLY_LINKED)
- return TRUE;
- #else
- BOOL Exist = FALSE;
- #ifndef _WINCE
- INT32 findhandle;
- struct _finddata_t fileinfo;
- if (-1 != (findhandle = _findfirst( (char*)DecDllPath, &fileinfo )))
- Exist = TRUE;
- _findclose( findhandle );
- #else
-
- if (GetFileAttributes(OS_STRING(DecDllPath)) != 0xffffffff)
- Exist=TRUE;
- #endif
- return Exist;
- #endif /* #if defined(_STATICALLY_LINKED) */
- }
- BOOL VerifyCodecFile(const char * DecDllPath)
- {
- #if defined(_STATICALLY_LINKED)
- return TRUE;
- #else
- #if !defined(_WINCE)
- //
- // Can return:
- // Success- TRUE
- // Fail- FALSE The file is NOT a codec, blow it off but no error occurs.
- //
- LPCSTR lpstrVffInfo = NULL; // Pointer to block to hold resource
- ULONG32 dwVerHnd;
- ULONG32 dwVerInfoSize;
- char* pLibType = NULL;
- BOOL bIsCodec = FALSE;
- dwVerInfoSize = GetFileVersionInfoSize( (char*) DecDllPath, &dwVerHnd );
- if(dwVerInfoSize)
- {
- lpstrVffInfo = (LPCSTR)GlobalAllocPtr( GMEM_MOVEABLE, dwVerInfoSize );
- if (lpstrVffInfo)
- {
- if(!GetFileVersionInfo( (char*) DecDllPath, dwVerHnd, dwVerInfoSize, (LPVOID)lpstrVffInfo ))
- lpstrVffInfo = NULL;
- }
- }
- if (lpstrVffInfo)
- {
- char szGetName[_MAX_PATH]; /* Flawfinder: ignore */
- BOOL bRetCode;
- LPSTR lpVersion;
- ULONG32 dwVersionLen;
- SafeStrCpy( szGetName, "\VarFileInfo\Translation", _MAX_PATH);
- bRetCode = RAVerQueryValue( lpstrVffInfo, (LPSTR)szGetName,
- (void FAR* FAR*)&lpVersion, &dwVersionLen );
- char TransNumber[10]; /* Flawfinder: ignore */
- SafeSprintf(TransNumber, 10, "%8lx", *(INT32 *)lpVersion);
- char * pSpace = strchr(TransNumber, ' ');
- while(pSpace)
- {
- *pSpace = '0';
- pSpace = strchr(TransNumber, ' ');
- }
- SafeStrCpy(szGetName, "\StringFileInfo\", _MAX_PATH);
- SafeStrCat(szGetName, TransNumber + 4, _MAX_PATH);
- TransNumber[4] = 0;
- SafeStrCat(szGetName, TransNumber, _MAX_PATH);
- SafeStrCat(szGetName, "\LibraryType", _MAX_PATH);
- //lstrcpy(szGetName, "\StringFileInfo\040904b0\LibraryType");
- bRetCode = RAVerQueryValue( lpstrVffInfo, (LPSTR)szGetName,
- (void FAR* FAR*)&lpVersion, &dwVersionLen );
- if (bRetCode && dwVersionLen && lpVersion)
- {
- pLibType = new char[dwVersionLen + 1];
- memcpy(pLibType, lpVersion, HX_SAFESIZE_T(dwVersionLen)); /* Flawfinder: ignore */
- pLibType[ dwVersionLen ] = 0;
- }
- {
- // The win32 case
- GlobalFreePtr( lpstrVffInfo );
- }
- }
- if(pLibType)
- {
- if (strcmp(pLibType, "RACodecHelper") == 0)
- bIsCodec = TRUE;
- delete [] pLibType;
- }
- return bIsCodec;
- #else /* #if !defined(_WINCE) */
- return TRUE;
- #endif
- #endif /* #if defined(_STATICALLY_LINKED) */
- }