- better loading of *.tlb files
- seperated code for loading tlb resource into memory from code for parsing the tlb resource.
This commit is contained in:
Juergen Schmied
Alexandre Julliard
parent
4d67892358
commit
e3b8640c77
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@ -160,7 +160,8 @@ HRESULT WINAPI LoadTypeLib16(
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* Success: S_OK
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* Failure: Status
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*/
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int TLB_ReadTypeLib(PCHAR file, ITypeLib **ppTypelib);
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int TLB_ReadTypeLib(PCHAR file, ITypeLib2 **ppTypelib);
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HRESULT WINAPI LoadTypeLib(
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OLECHAR *szFile, /* [in] Name of file to load from */
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ITypeLib * *pptLib) /* [out] Pointer to pointer to loaded type library */
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@ -191,7 +192,7 @@ HRESULT WINAPI LoadTypeLibEx(
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if(regkind != REGKIND_NONE)
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FIXME ("registration of typelibs not supported yet!\n");
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res= TLB_ReadTypeLib(p, pptLib);
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res= TLB_ReadTypeLib(p, (ITypeLib2**)pptLib);
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HeapFree(GetProcessHeap(),0,p);
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TRACE(" returns %08lx\n",res);
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@ -351,7 +352,7 @@ typedef struct tagITypeLibImpl
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static struct ICOM_VTABLE(ITypeLib2) tlbvt;
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/* ITypeLib methods */
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static ITypeLib2* ITypeLib2_Constructor();
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static ITypeLib2* ITypeLib2_Constructor(LPVOID pLib);
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/*======================= ITypeInfo implementation =======================*/
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@ -1072,231 +1073,263 @@ ITypeInfoImpl * TLB_DoTypeInfo(
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return ptiRet;
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}
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int TLB_ReadTypeLib(LPSTR pszFileName, ITypeLib **ppTypeLib)
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/****************************************************************************
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* TLB_ReadTypeLib
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*
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* find the type of the typelib file and map the typelib resource into
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* the memory
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*/
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#define MSFT_SIGNATURE 0x5446534D /* "MSFT" */
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int TLB_ReadTypeLib(LPSTR pszFileName, ITypeLib2 **ppTypeLib)
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{
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TLBContext cx;
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long lPSegDir;
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ITypeLibImpl* pLibInfo=NULL;
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TLB2Header tlbHeader;
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TLBSegDir tlbSegDir;
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HINSTANCE hinstDLL;
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int ret = E_FAIL;
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HRSRC hrsrc;
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HGLOBAL hGlobal;
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LPVOID pLib;
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DWORD dwSignature = 0;
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HFILE hFile;
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TRACE("%s\n", pszFileName);
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/* find the typelibrary resource*/
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hinstDLL = LoadLibraryExA(pszFileName, 0, DONT_RESOLVE_DLL_REFERENCES|LOAD_LIBRARY_AS_DATAFILE|LOAD_WITH_ALTERED_SEARCH_PATH);
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if (!hinstDLL)
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*ppTypeLib = NULL;
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/* check the signature of the file */
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hFile = CreateFileA( pszFileName, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, -1 );
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if (INVALID_HANDLE_VALUE != hFile)
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{
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ERR("error: couldn't load the DLL %s\n", pszFileName);
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goto err1;
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HANDLE hMapping = CreateFileMappingA( hFile, NULL, PAGE_READONLY | SEC_COMMIT, 0, 0, NULL );
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if (hMapping)
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{
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LPVOID pBase = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
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if(pBase)
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{
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/* first try to load as *.tlb */
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dwSignature = *((DWORD*) pBase);
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if ( dwSignature == MSFT_SIGNATURE)
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{
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*ppTypeLib = ITypeLib2_Constructor(pBase);
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}
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UnmapViewOfFile(pBase);
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}
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CloseHandle(hMapping);
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}
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CloseHandle(hFile);
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}
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hrsrc = FindResourceA(hinstDLL, MAKEINTRESOURCEA(1), "TYPELIB");
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if (!hrsrc)
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if( (WORD)dwSignature == IMAGE_DOS_SIGNATURE )
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{
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ERR("error: couldn't find initial TLB data\n");
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goto err2;
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/* find the typelibrary resource*/
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HINSTANCE hinstDLL = LoadLibraryExA(pszFileName, 0, DONT_RESOLVE_DLL_REFERENCES|
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LOAD_LIBRARY_AS_DATAFILE|LOAD_WITH_ALTERED_SEARCH_PATH);
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if (hinstDLL)
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{
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HRSRC hrsrc = FindResourceA(hinstDLL, MAKEINTRESOURCEA(1), "TYPELIB");
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if (hrsrc)
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{
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HGLOBAL hGlobal = LoadResource(hinstDLL, hrsrc);
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if (hGlobal)
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{
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LPVOID pBase = LockResource(hGlobal);
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if (pBase)
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{
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*ppTypeLib = ITypeLib2_Constructor(pBase);
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}
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FreeResource( hGlobal );
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}
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}
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FreeLibrary(hinstDLL);
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}
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}
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hGlobal = LoadResource(hinstDLL, hrsrc);
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if (!hGlobal)
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{
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ERR("error: couldn't load TLB data from DLL\n");
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goto err2;
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}
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if(*ppTypeLib)
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ret = S_OK;
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else
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ERR("Loading of typelib %s failed with error 0x%08lx\n", pszFileName, GetLastError());
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pLib = LockResource(hGlobal);
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if (! pLib)
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{
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goto err3;
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}
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return ret;
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}
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TRACE("found at %p\n", pLib);
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/*================== ITypeLib(2) Methods ===================================*/
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/****************************************************************************
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* ITypeLib2_Constructor
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*
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* loading a typelib from a in-memory image
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*/
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static ITypeLib2* ITypeLib2_Constructor(LPVOID pLib)
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{
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TLBContext cx;
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long lPSegDir;
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TLB2Header tlbHeader;
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TLBSegDir tlbSegDir;
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ITypeLibImpl * pTypeLibImpl;
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TRACE("%p\n", pLib);
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pTypeLibImpl = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(ITypeLibImpl));
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if (!pTypeLibImpl) return NULL;
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ICOM_VTBL(pTypeLibImpl) = &tlbvt;
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pTypeLibImpl->ref = 1;
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/* get pointer to beginning of typelib data */
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cx.pos = 0;
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cx.oStart=0;
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cx.mapping = pLib;
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pLibInfo = (ITypeLibImpl*) ITypeLib2_Constructor();
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if (!pLibInfo)
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{
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ret = E_OUTOFMEMORY;
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goto err3;
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}
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cx.pLibInfo=pLibInfo;
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cx.pLibInfo = pTypeLibImpl;
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/* read header */
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TRACE("read header\n");
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TLB_Read((void*)&tlbHeader, sizeof(tlbHeader), &cx, 0);
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TRACE("read header (0x%08x 0x%08x)\n",tlbHeader.magic1,tlbHeader.magic2 );
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/* there is a small number of information here until the next important
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* part:
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* the segment directory . Try to calculate the amount of data */
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lPSegDir=sizeof(tlbHeader)+
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(tlbHeader.nrtypeinfos)*4+
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(tlbHeader.varflags & HELPDLLFLAG? 4 :0);
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lPSegDir = sizeof(tlbHeader) + (tlbHeader.nrtypeinfos)*4 + (tlbHeader.varflags & HELPDLLFLAG? 4 :0);
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/* now read the segment directory */
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TRACE("read segment directory\n");
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TLB_Read((void*)&tlbSegDir, sizeof(tlbSegDir), &cx, lPSegDir);
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cx.pTblDir=&tlbSegDir;
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cx.pTblDir = &tlbSegDir;
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/* just check two entries */
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if ( tlbSegDir.pTypeInfoTab.res0c != 0x0F ||
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tlbSegDir.pImpInfo.res0c != 0x0F
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) {
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if ( tlbSegDir.pTypeInfoTab.res0c != 0x0F || tlbSegDir.pImpInfo.res0c != 0x0F)
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{
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ERR("cannot find the table directory, ptr=0x%lx\n",lPSegDir);
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goto err3;
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HeapFree(GetProcessHeap(),0,pTypeLibImpl);
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return NULL;
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}
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/* now fill our internal data */
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/* TLIBATTR fields */
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TLB_ReadGuid(&pLibInfo->LibAttr.guid, tlbHeader.posguid, &cx);
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pLibInfo->LibAttr.lcid=tlbHeader.lcid;
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pLibInfo->LibAttr.syskind=tlbHeader.varflags & 0x0f; /* check the mask */
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pLibInfo->LibAttr.wMajorVerNum=LOWORD(tlbHeader.version);
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pLibInfo->LibAttr.wMinorVerNum=HIWORD(tlbHeader.version);
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pLibInfo->LibAttr.wLibFlags=(WORD) tlbHeader.flags & 0xffff;/* check mask */
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TLB_ReadGuid(&pTypeLibImpl->LibAttr.guid, tlbHeader.posguid, &cx);
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pTypeLibImpl->LibAttr.lcid = tlbHeader.lcid;
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pTypeLibImpl->LibAttr.syskind = tlbHeader.varflags & 0x0f; /* check the mask */
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pTypeLibImpl->LibAttr.wMajorVerNum = LOWORD(tlbHeader.version);
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pTypeLibImpl->LibAttr.wMinorVerNum = HIWORD(tlbHeader.version);
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pTypeLibImpl->LibAttr.wLibFlags = (WORD) tlbHeader.flags & 0xffff;/* check mask */
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/* name, eventually add to a hash table */
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pLibInfo->Name=TLB_ReadName(&cx, tlbHeader.NameOffset);
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pTypeLibImpl->Name = TLB_ReadName(&cx, tlbHeader.NameOffset);
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/* help info */
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pLibInfo->DocString=TLB_ReadString(&cx, tlbHeader.helpstring);
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pLibInfo->HelpFile=TLB_ReadString(&cx, tlbHeader.helpfile);
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if( tlbHeader.varflags & HELPDLLFLAG){
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pTypeLibImpl->DocString = TLB_ReadString(&cx, tlbHeader.helpstring);
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pTypeLibImpl->HelpFile = TLB_ReadString(&cx, tlbHeader.helpfile);
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if( tlbHeader.varflags & HELPDLLFLAG)
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{
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int offset;
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TLB_Read(&offset, sizeof(offset), &cx, sizeof(tlbHeader));
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pLibInfo->HelpStringDll=TLB_ReadString(&cx, offset);
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pTypeLibImpl->HelpStringDll = TLB_ReadString(&cx, offset);
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}
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pLibInfo->dwHelpContext=tlbHeader.helpstringcontext;
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pTypeLibImpl->dwHelpContext = tlbHeader.helpstringcontext;
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/* custom data */
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if(tlbHeader.CustomDataOffset >= 0) {
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pLibInfo->ctCustData=
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TLB_CustData(&cx, tlbHeader.CustomDataOffset, &pLibInfo->pCustData);
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if(tlbHeader.CustomDataOffset >= 0)
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{
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pTypeLibImpl->ctCustData = TLB_CustData(&cx, tlbHeader.CustomDataOffset, &pTypeLibImpl->pCustData);
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}
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/* fill in typedescriptions */
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if(tlbSegDir.pTypdescTab.length >0){
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int i, j, cTD=tlbSegDir.pTypdescTab.length / (2*sizeof(INT));
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if(tlbSegDir.pTypdescTab.length > 0)
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{
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int i, j, cTD = tlbSegDir.pTypdescTab.length / (2*sizeof(INT));
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INT16 td[4];
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pLibInfo->pTypeDesc=
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TLB_Alloc( cTD * sizeof(TYPEDESC));
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pTypeLibImpl->pTypeDesc = TLB_Alloc( cTD * sizeof(TYPEDESC));
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TLB_Read(td, sizeof(td), &cx, tlbSegDir.pTypdescTab.offset);
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for(i=0;i<cTD;){
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for(i=0; i<cTD; )
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{
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/* FIXME: add several sanity checks here */
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pLibInfo->pTypeDesc[i].vt=td[0] & VT_TYPEMASK;
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if(td[0]==VT_PTR ||td[0]==VT_SAFEARRAY){/* FIXME: check safearray */
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if(td[3]<0)
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V_UNION(&(pLibInfo->pTypeDesc[i]),lptdesc)=
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& stndTypeDesc[td[2]];
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pTypeLibImpl->pTypeDesc[i].vt = td[0] & VT_TYPEMASK;
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if(td[0] == VT_PTR || td[0] == VT_SAFEARRAY)
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{
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/* FIXME: check safearray */
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if(td[3] < 0)
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V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lptdesc)= & stndTypeDesc[td[2]];
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else
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V_UNION(&(pLibInfo->pTypeDesc[i]),lptdesc)=
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& pLibInfo->pTypeDesc[td[3]/8];
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}else if(td[0]==VT_CARRAY)
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V_UNION(&(pLibInfo->pTypeDesc[i]),lpadesc)=
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(void *)((int) td[2]); /* temp store offset in*/
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/* array descr table here */
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else if(td[0]==VT_USERDEFINED)
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V_UNION(&(pLibInfo->pTypeDesc[i]),hreftype)=MAKELONG(td[2],td[3]);
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if(++i<cTD) TLB_Read(td, sizeof(td), &cx, DO_NOT_SEEK);
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V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lptdesc)= & pTypeLibImpl->pTypeDesc[td[3]/8];
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}
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else if(td[0] == VT_CARRAY)
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{
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/* array descr table here */
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V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lpadesc) = (void *)((int) td[2]); /* temp store offset in*/
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}
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else if(td[0] == VT_USERDEFINED)
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{
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V_UNION(&(pTypeLibImpl->pTypeDesc[i]),hreftype) = MAKELONG(td[2],td[3]);
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}
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if(++i<cTD) TLB_Read(td, sizeof(td), &cx, DO_NOT_SEEK);
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}
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/* second time around to fill the array subscript info */
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for(i=0;i<cTD;i++){
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if(pLibInfo->pTypeDesc[i].vt != VT_CARRAY) continue;
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if(tlbSegDir.pArrayDescriptions.offset>0){
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TLB_Read(td, sizeof(td), &cx, tlbSegDir.pArrayDescriptions.offset +
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(int) V_UNION(&(pLibInfo->pTypeDesc[i]),lpadesc));
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V_UNION(&(pLibInfo->pTypeDesc[i]),lpadesc)=
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TLB_Alloc(sizeof(ARRAYDESC)+sizeof(SAFEARRAYBOUND)*(td[3]-1));
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for(i=0;i<cTD;i++)
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{
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if(pTypeLibImpl->pTypeDesc[i].vt != VT_CARRAY) continue;
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if(tlbSegDir.pArrayDescriptions.offset>0)
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{
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TLB_Read(td, sizeof(td), &cx, tlbSegDir.pArrayDescriptions.offset + (int) V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lpadesc));
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V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lpadesc) = TLB_Alloc(sizeof(ARRAYDESC)+sizeof(SAFEARRAYBOUND)*(td[3]-1));
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if(td[1]<0)
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V_UNION(&(pLibInfo->pTypeDesc[i]),lpadesc)->tdescElem.vt=td[0] & VT_TYPEMASK;
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V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lpadesc)->tdescElem.vt = td[0] & VT_TYPEMASK;
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else
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V_UNION(&(pLibInfo->pTypeDesc[i]),lpadesc)->tdescElem=stndTypeDesc[td[0]/8];
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V_UNION(&(pLibInfo->pTypeDesc[i]),lpadesc)->cDims=td[2];
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for(j=0;j<td[2];j++){
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TLB_Read(& V_UNION(&(pLibInfo->pTypeDesc[i]),lpadesc)->rgbounds[j].cElements,
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V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lpadesc)->tdescElem = stndTypeDesc[td[0]/8];
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V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lpadesc)->cDims = td[2];
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for(j = 0; j<td[2]; j++)
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{
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TLB_Read(& V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lpadesc)->rgbounds[j].cElements,
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sizeof(INT), &cx, DO_NOT_SEEK);
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TLB_Read(& V_UNION(&(pLibInfo->pTypeDesc[i]),lpadesc)
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->rgbounds[j].lLbound,
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TLB_Read(& V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lpadesc)->rgbounds[j].lLbound,
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sizeof(INT), &cx, DO_NOT_SEEK);
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}
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}else{
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V_UNION(&(pLibInfo->pTypeDesc[i]),lpadesc)=NULL;
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}
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else
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{
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V_UNION(&(pTypeLibImpl->pTypeDesc[i]),lpadesc) = NULL;
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ERR("didn't find array description data\n");
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}
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}
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}
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/* imported type libs */
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if(tlbSegDir.pImpFiles.offset>0){
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TLBImpLib **ppImpLib=&(pLibInfo->pImpLibs);
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int offset=tlbSegDir.pImpFiles.offset;
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int oGuid;
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if(tlbSegDir.pImpFiles.offset>0)
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{
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TLBImpLib **ppImpLib = &(pTypeLibImpl->pImpLibs);
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int oGuid, offset = tlbSegDir.pImpFiles.offset;
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UINT16 size;
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while(offset < tlbSegDir.pImpFiles.offset +tlbSegDir.pImpFiles.length){
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*ppImpLib=TLB_Alloc(sizeof(TLBImpLib));
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(*ppImpLib)->offset=offset - tlbSegDir.pImpFiles.offset;
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while(offset < tlbSegDir.pImpFiles.offset +tlbSegDir.pImpFiles.length)
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{
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*ppImpLib = TLB_Alloc(sizeof(TLBImpLib));
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(*ppImpLib)->offset = offset - tlbSegDir.pImpFiles.offset;
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TLB_Read(&oGuid, sizeof(INT), &cx, offset);
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TLB_ReadGuid(&(*ppImpLib)->guid, oGuid, &cx);
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/* we are skipping some unknown info here */
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TLB_Read(& size,sizeof(UINT16), &cx, offset+3*(sizeof(INT)));
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size >>=2;
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(*ppImpLib)->name=TLB_Alloc(size+1);
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TLB_Read((*ppImpLib)->name,size, &cx, DO_NOT_SEEK);
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offset=(offset+3*(sizeof(INT))+sizeof(UINT16)+size+3) & 0xfffffffc;
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size >>= 2;
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(*ppImpLib)->name = TLB_Alloc(size+1);
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TLB_Read((*ppImpLib)->name, size, &cx, DO_NOT_SEEK);
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offset = (offset + 3 * (sizeof(INT)) + sizeof(UINT16) + size + 3) & 0xfffffffc;
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ppImpLib=&(*ppImpLib)->next;
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ppImpLib = &(*ppImpLib)->next;
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}
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}
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/* type info's */
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if(tlbHeader.nrtypeinfos >=0 )
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if(tlbHeader.nrtypeinfos >= 0 )
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{
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/*pLibInfo->TypeInfoCount=tlbHeader.nrtypeinfos; */
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ITypeInfoImpl **ppTI = &(pLibInfo->pTypeInfo);
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/*pTypeLibImpl->TypeInfoCount=tlbHeader.nrtypeinfos; */
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ITypeInfoImpl **ppTI = &(pTypeLibImpl->pTypeInfo);
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int i;
|
||||
for(i=0;i<(int)tlbHeader.nrtypeinfos;i++)
|
||||
for(i = 0; i<(int)tlbHeader.nrtypeinfos; i++)
|
||||
{
|
||||
*ppTI = TLB_DoTypeInfo(&cx, i, pLibInfo);
|
||||
*ppTI = TLB_DoTypeInfo(&cx, i, pTypeLibImpl);
|
||||
ppTI = &((*ppTI)->next);
|
||||
(pLibInfo->TypeInfoCount)++;
|
||||
(pTypeLibImpl->TypeInfoCount)++;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
*ppTypeLib=(LPTYPELIB)pLibInfo;
|
||||
ret = S_OK;
|
||||
|
||||
err3:
|
||||
FreeResource( hGlobal );
|
||||
err2:
|
||||
FreeLibrary(hinstDLL);
|
||||
err1:
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*================== ITypeLib(2) Methods ===================================*/
|
||||
|
||||
static ITypeLib2* ITypeLib2_Constructor()
|
||||
{
|
||||
ITypeLibImpl * pTypeLibImpl;
|
||||
|
||||
pTypeLibImpl = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(ITypeLibImpl));
|
||||
if (pTypeLibImpl)
|
||||
{
|
||||
ICOM_VTBL(pTypeLibImpl) = &tlbvt;
|
||||
pTypeLibImpl->ref = 1;
|
||||
}
|
||||
TRACE("(%p)\n", pTypeLibImpl);
|
||||
return (ITypeLib2*) pTypeLibImpl;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue