[PATCH 2/2] oleaut32: Implement ICreateTypeInfo::SetTypeDescAlias

Andrew Eikum aeikum at codeweavers.com
Mon Aug 26 12:40:08 CDT 2013


---
 dlls/oleaut32/tests/typelib.c | 341 +++++++++++++++++++++++++++++++++++++++++-
 dlls/oleaut32/typelib.c       |  82 ++++++----
 2 files changed, 393 insertions(+), 30 deletions(-)

diff --git a/dlls/oleaut32/tests/typelib.c b/dlls/oleaut32/tests/typelib.c
index 5e15564..bc759c0 100644
--- a/dlls/oleaut32/tests/typelib.c
+++ b/dlls/oleaut32/tests/typelib.c
@@ -1538,6 +1538,7 @@ static void test_CreateTypeLib(SYSKIND sys) {
     static OLECHAR param1W[] = {'p','a','r','a','m','1',0};
     static OLECHAR param2W[] = {'p','a','r','a','m','2',0};
     static OLECHAR asdfW[] = {'A','s','d','f',0};
+    static OLECHAR aliasW[] = {'a','l','i','a','s',0};
     static OLECHAR *names1[] = {func1W, param1W, param2W};
     static OLECHAR *names2[] = {func2W, param1W, param2W};
     static OLECHAR *propname[] = {prop1W, param1W};
@@ -2530,6 +2531,9 @@ static void test_CreateTypeLib(SYSKIND sys) {
 
     ITypeInfo_Release(ti);
 
+    hres = ICreateTypeInfo_SetTypeDescAlias(createti, &typedesc1);
+    ok(hres == TYPE_E_BADMODULEKIND, "got %08x\n", hres);
+
     ICreateTypeInfo_Release(createti);
 
     hres = ITypeInfo_GetTypeAttr(interface1, &typeattr);
@@ -2565,12 +2569,82 @@ static void test_CreateTypeLib(SYSKIND sys) {
 
     ITypeInfo_ReleaseTypeAttr(interface2, typeattr);
 
-    hres = ICreateTypeLib2_SaveAllChanges(createtl);
-    ok(hres == S_OK, "got %08x\n", hres);
-
     ok(ITypeInfo_Release(interface2)==0, "Object should be freed\n");
     ok(ITypeInfo_Release(interface1)==0, "Object should be freed\n");
     ok(ITypeInfo_Release(dual)==0, "Object should be freed\n");
+
+    hres = ICreateTypeLib2_CreateTypeInfo(createtl, aliasW, TKIND_ALIAS, &createti);
+    ok(hres == S_OK, "got %08x\n", hres);
+
+    hres = ICreateTypeInfo_QueryInterface(createti, &IID_ITypeInfo, (void**)&interface1);
+    ok(hres == S_OK, "got %08x\n", hres);
+
+    if(0){
+        /* windows gives invalid values here, and even breaks the typeinfo permanently
+         * on winxp. only call GetTypeAttr() on a TKIND_ALIAS after SetTypeDescAlias. */
+        hres = ITypeInfo_GetTypeAttr(interface1, &typeattr);
+        ok(hres == S_OK, "got %08x\n", hres);
+        ok(typeattr->cbSizeInstance == 0xffffffb4, "cbSizeInstance = %d\n", typeattr->cbSizeInstance);
+        ok(typeattr->typekind == TKIND_ALIAS, "typekind = %d\n", typeattr->typekind);
+        ok(typeattr->cFuncs == 0, "cFuncs = %d\n", typeattr->cFuncs);
+        ok(typeattr->cVars == 0, "cVars = %d\n", typeattr->cVars);
+        ok(typeattr->cImplTypes == 0, "cImplTypes = %d\n", typeattr->cImplTypes);
+        ok(typeattr->cbSizeVft == 0, "cbSizeVft = %d\n", typeattr->cbSizeVft);
+        ok(typeattr->cbAlignment == 0, "cbAlignment = %d\n", typeattr->cbAlignment);
+        ok(typeattr->wTypeFlags == 0, "wTypeFlags = %d\n", typeattr->wTypeFlags);
+        ok(typeattr->wMajorVerNum == 0, "wMajorVerNum = %d\n", typeattr->wMajorVerNum);
+        ok(typeattr->wMinorVerNum == 0, "wMinorVerNum = %d\n", typeattr->wMinorVerNum);
+        ok(typeattr->tdescAlias.vt == VT_EMPTY, "Got wrong tdescAlias.vt: %u\n", typeattr->tdescAlias.vt);
+        ITypeInfo_ReleaseTypeAttr(interface1, typeattr);
+    }
+
+    hres = ICreateTypeInfo_SetTypeDescAlias(createti, NULL);
+    ok(hres == E_INVALIDARG, "got %08x\n", hres);
+
+    typedesc1.vt = VT_I1;
+    hres = ICreateTypeInfo_SetTypeDescAlias(createti, &typedesc1);
+    ok(hres == S_OK, "got %08x\n", hres);
+
+    hres = ITypeInfo_GetTypeAttr(interface1, &typeattr);
+    ok(hres == S_OK, "got %08x\n", hres);
+    ok(typeattr->cbSizeInstance == 1, "cbSizeInstance = %d\n", typeattr->cbSizeInstance);
+    ok(typeattr->typekind == TKIND_ALIAS, "typekind = %d\n", typeattr->typekind);
+    ok(typeattr->cFuncs == 0, "cFuncs = %d\n", typeattr->cFuncs);
+    ok(typeattr->cVars == 0, "cVars = %d\n", typeattr->cVars);
+    ok(typeattr->cImplTypes == 0, "cImplTypes = %d\n", typeattr->cImplTypes);
+    ok(typeattr->cbSizeVft == 0, "cbSizeVft = %d\n", typeattr->cbSizeVft);
+    ok(typeattr->cbAlignment == 1, "cbAlignment = %d\n", typeattr->cbAlignment);
+    ok(typeattr->wTypeFlags == 0, "wTypeFlags = %d\n", typeattr->wTypeFlags);
+    ok(typeattr->wMajorVerNum == 0, "wMajorVerNum = %d\n", typeattr->wMajorVerNum);
+    ok(typeattr->wMinorVerNum == 0, "wMinorVerNum = %d\n", typeattr->wMinorVerNum);
+    ok(typeattr->tdescAlias.vt == VT_I1, "Got wrong tdescAlias.vt: %u\n", typeattr->tdescAlias.vt);
+    ITypeInfo_ReleaseTypeAttr(interface1, typeattr);
+
+    typedesc1.vt = VT_R8;
+    hres = ICreateTypeInfo_SetTypeDescAlias(createti, &typedesc1);
+    ok(hres == S_OK, "got %08x\n", hres);
+
+    hres = ITypeInfo_GetTypeAttr(interface1, &typeattr);
+    ok(hres == S_OK, "got %08x\n", hres);
+    ok(typeattr->cbSizeInstance == 8, "cbSizeInstance = %d\n", typeattr->cbSizeInstance);
+    ok(typeattr->typekind == TKIND_ALIAS, "typekind = %d\n", typeattr->typekind);
+    ok(typeattr->cFuncs == 0, "cFuncs = %d\n", typeattr->cFuncs);
+    ok(typeattr->cVars == 0, "cVars = %d\n", typeattr->cVars);
+    ok(typeattr->cImplTypes == 0, "cImplTypes = %d\n", typeattr->cImplTypes);
+    ok(typeattr->cbSizeVft == 0, "cbSizeVft = %d\n", typeattr->cbSizeVft);
+    ok(typeattr->cbAlignment == 4, "cbAlignment = %d\n", typeattr->cbAlignment);
+    ok(typeattr->wTypeFlags == 0, "wTypeFlags = %d\n", typeattr->wTypeFlags);
+    ok(typeattr->wMajorVerNum == 0, "wMajorVerNum = %d\n", typeattr->wMajorVerNum);
+    ok(typeattr->wMinorVerNum == 0, "wMinorVerNum = %d\n", typeattr->wMinorVerNum);
+    ok(typeattr->tdescAlias.vt == VT_R8, "Got wrong tdescAlias.vt: %u\n", typeattr->tdescAlias.vt);
+    ITypeInfo_ReleaseTypeAttr(interface1, typeattr);
+
+    ITypeInfo_Release(interface1);
+    ICreateTypeInfo_Release(createti);
+
+    hres = ICreateTypeLib2_SaveAllChanges(createtl);
+    ok(hres == S_OK, "got %08x\n", hres);
+
     ok(ICreateTypeLib2_Release(createtl)==0, "Object should be freed\n");
 
     ok(ITypeInfo_Release(dispatch)==0, "Object should be freed\n");
@@ -3396,6 +3470,26 @@ static void test_CreateTypeLib(SYSKIND sys) {
 
     ok(ITypeInfo_Release(ti) == 0, "Object should be freed\n");
 
+    hres = ITypeLib_GetTypeInfo(tl, 5, &ti);
+    ok(hres == S_OK, "got %08x\n", hres);
+
+    hres = ITypeInfo_GetTypeAttr(ti, &typeattr);
+    ok(hres == S_OK, "got %08x\n", hres);
+    ok(typeattr->cbSizeInstance == 8, "cbSizeInstance = %d\n", typeattr->cbSizeInstance);
+    ok(typeattr->typekind == TKIND_ALIAS, "typekind = %d\n", typeattr->typekind);
+    ok(typeattr->cFuncs == 0, "cFuncs = %d\n", typeattr->cFuncs);
+    ok(typeattr->cVars == 0, "cVars = %d\n", typeattr->cVars);
+    ok(typeattr->cImplTypes == 0, "cImplTypes = %d\n", typeattr->cImplTypes);
+    ok(typeattr->cbSizeVft == 0, "cbSizeVft = %d\n", typeattr->cbSizeVft);
+    ok(typeattr->cbAlignment == alignment, "cbAlignment = %d\n", typeattr->cbAlignment);
+    ok(typeattr->wTypeFlags == 0, "wTypeFlags = 0x%x\n", typeattr->wTypeFlags);
+    ok(typeattr->wMajorVerNum == 0, "wMajorVerNum = %d\n", typeattr->wMajorVerNum);
+    ok(typeattr->wMinorVerNum == 0, "wMinorVerNum = %d\n", typeattr->wMinorVerNum);
+    ok(typeattr->tdescAlias.vt == VT_R8, "Got wrong tdescAlias.vt: %u\n", typeattr->tdescAlias.vt);
+    ITypeInfo_ReleaseTypeAttr(ti, typeattr);
+
+    ok(ITypeInfo_Release(ti) == 0, "Object should be freed\n");
+
     ok(ITypeLib_Release(tl)==0, "Object should be freed\n");
 
     DeleteFileA(filename);
@@ -4587,6 +4681,245 @@ if (hr == S_OK)
     pReleaseActCtx(handle);
 }
 
+#define AUX_HREF 1
+#define AUX_TDESC 2
+#define AUX_ADESC 3
+static struct _TDATest {
+    VARTYPE vt;
+    ULONG size; /* -1 == typelib ptr size */
+    WORD align;
+    WORD align3264; /* for 32-bit typelibs loaded in 64-bit mode */
+    DWORD aux;
+    TYPEDESC tdesc;
+    ARRAYDESC adesc;
+} TDATests[] = {
+    { VT_I2, 2, 2, 2 },
+    { VT_I4, 4, 4, 4 },
+    { VT_R4, 4, 4, 4 },
+    { VT_R8, 8, 4, 8 },
+    { VT_CY, 8, 4, 8 },
+    { VT_DATE, 8, 4, 8 },
+    { VT_BSTR, -1, 4, 8 },
+    { VT_DISPATCH, -1, 4, 8 },
+    { VT_ERROR, 4, 4, 4 },
+    { VT_BOOL, 2, 2, 2 },
+    { VT_VARIANT, 0 /* see code below */, 4, 8 },
+    { VT_UNKNOWN, -1, 4, 8 },
+    { VT_DECIMAL, 16, 4, 8 },
+    { VT_I1, 1, 1, 1 },
+    { VT_UI1, 1, 1, 1 },
+    { VT_UI2, 2, 2, 2 },
+    { VT_UI4, 4, 4, 4 },
+    { VT_I8, 8, 4, 8 },
+    { VT_UI8, 8, 4, 8 },
+    { VT_INT, 4, 4, 4 },
+    { VT_UINT, 4, 4, 4 },
+    { VT_VOID, 0, 0, 0 },
+    { VT_HRESULT, 4, 4, 4 },
+    { VT_PTR, -1, 4, 8, AUX_TDESC, { { 0 }, VT_INT } },
+    { VT_SAFEARRAY, -1, 4, 8, AUX_TDESC, { { 0 }, VT_INT } },
+    { VT_CARRAY, 16 /* == 4 * sizeof(int) */, 4, 4, AUX_ADESC, { { 0 } }, { { { 0 }, VT_INT }, 1, { { 4, 0 } } } },
+    { VT_USERDEFINED, 0, 0, 0, AUX_HREF },
+    { VT_LPSTR, -1, 4, 8 },
+    { VT_LPWSTR, -1, 4, 8 },
+    { 0 }
+};
+
+static void testTDA(ITypeLib *tl, struct _TDATest *TDATest,
+        ULONG ptr_size, HREFTYPE hreftype, ULONG href_cbSizeInstance,
+        WORD href_cbAlignment, BOOL create)
+{
+    TYPEDESC tdesc;
+    WCHAR nameW[32];
+    ITypeInfo *ti;
+    ICreateTypeInfo *cti;
+    ICreateTypeLib2 *ctl;
+    ULONG size;
+    WORD alignment;
+    TYPEATTR *typeattr;
+    HRESULT hr;
+
+    static const WCHAR name_fmtW[] = {'a','l','i','a','s','%','0','2','u',0};
+
+    wsprintfW(nameW, name_fmtW, TDATest->vt);
+
+    if(create){
+        hr = ITypeLib_QueryInterface(tl, &IID_ICreateTypeLib2, (void**)&ctl);
+        ok(hr == S_OK, "got %08x\n", hr);
+
+        hr = ICreateTypeLib2_CreateTypeInfo(ctl, nameW, TKIND_ALIAS, &cti);
+        ok(hr == S_OK, "got %08x\n", hr);
+
+        tdesc.vt = TDATest->vt;
+        if(TDATest->aux == AUX_TDESC)
+            U(tdesc).lptdesc = &TDATest->tdesc;
+        else if(TDATest->aux == AUX_ADESC)
+            U(tdesc).lpadesc = &TDATest->adesc;
+        else if(TDATest->aux == AUX_HREF)
+            U(tdesc).hreftype = hreftype;
+
+        hr = ICreateTypeInfo_SetTypeDescAlias(cti, &tdesc);
+        ok(hr == S_OK, "for VT %u, got %08x\n", TDATest->vt, hr);
+
+        hr = ICreateTypeInfo_QueryInterface(cti, &IID_ITypeInfo, (void**)&ti);
+        ok(hr == S_OK, "got %08x\n", hr);
+
+        ICreateTypeInfo_Release(cti);
+        ICreateTypeLib2_Release(ctl);
+    }else{
+        USHORT found = 1;
+        MEMBERID memid;
+
+        hr = ITypeLib_FindName(tl, nameW, 0, &ti, &memid, &found);
+        ok(hr == S_OK, "for VT %u, got %08x\n", TDATest->vt, hr);
+    }
+
+    hr = ITypeInfo_GetTypeAttr(ti, &typeattr);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    if(TDATest->aux == AUX_HREF){
+        size = href_cbSizeInstance;
+        alignment = href_cbAlignment;
+    }else{
+        size = TDATest->size;
+        if(size == -1){
+            if(create)
+                size = ptr_size;
+            else
+                size = sizeof(void*);
+        }else if(TDATest->vt == VT_VARIANT){
+            if(create){
+                size = sizeof(VARIANT);
+#ifdef _WIN64
+                if(ptr_size != sizeof(void*))
+                    size -= 8; /* 32-bit variant is 4 bytes smaller than 64-bit variant */
+#endif
+            }else
+                size = sizeof(VARIANT);
+        }
+        alignment = TDATest->align;
+#ifdef _WIN64
+        if(!create && ptr_size != sizeof(void*))
+            alignment = TDATest->align3264;
+#endif
+    }
+
+    ok(typeattr->cbSizeInstance == size ||
+            broken(TDATest->vt == VT_VARIANT && ptr_size != sizeof(void*) && typeattr->cbSizeInstance == sizeof(VARIANT)) /* winxp64 */,
+            "got wrong size for VT %u: 0x%x\n", TDATest->vt, typeattr->cbSizeInstance);
+    ok(typeattr->cbAlignment == alignment, "got wrong alignment for VT %u: 0x%x\n", TDATest->vt, typeattr->cbAlignment);
+    ok(typeattr->tdescAlias.vt == TDATest->vt, "got wrong VT for VT %u: 0x%x\n", TDATest->vt, typeattr->tdescAlias.vt);
+
+    switch(TDATest->aux){
+    case AUX_HREF:
+        ok(U(typeattr->tdescAlias).hreftype == hreftype, "got wrong hreftype for VT %u: 0x%x\n", TDATest->vt, U(typeattr->tdescAlias).hreftype);
+        break;
+    case AUX_TDESC:
+        ok(U(typeattr->tdescAlias).lptdesc->vt == TDATest->tdesc.vt, "got wrong typedesc VT for VT %u: 0x%x\n", TDATest->vt, U(typeattr->tdescAlias).lptdesc->vt);
+        break;
+    case AUX_ADESC:
+        ok(U(typeattr->tdescAlias).lpadesc->tdescElem.vt == TDATest->adesc.tdescElem.vt, "got wrong arraydesc element VT for VT %u: 0x%x\n", TDATest->vt, U(typeattr->tdescAlias).lpadesc->tdescElem.vt);
+        ok(U(typeattr->tdescAlias).lpadesc->cDims == TDATest->adesc.cDims, "got wrong arraydesc dimension count for VT %u: 0x%x\n", TDATest->vt, U(typeattr->tdescAlias).lpadesc->cDims);
+        ok(U(typeattr->tdescAlias).lpadesc->rgbounds[0].cElements == TDATest->adesc.rgbounds[0].cElements, "got wrong arraydesc element count for VT %u: 0x%x\n", TDATest->vt, U(typeattr->tdescAlias).lpadesc->rgbounds[0].cElements);
+        ok(U(typeattr->tdescAlias).lpadesc->rgbounds[0].lLbound == TDATest->adesc.rgbounds[0].lLbound, "got wrong arraydesc lower bound for VT %u: 0x%x\n", TDATest->vt, U(typeattr->tdescAlias).lpadesc->rgbounds[0].lLbound);
+        break;
+    }
+
+    ITypeInfo_Release(ti);
+}
+
+static void test_SetTypeDescAlias(SYSKIND kind)
+{
+    CHAR filenameA[MAX_PATH];
+    WCHAR filenameW[MAX_PATH];
+    ITypeLib *tl;
+    ICreateTypeLib2 *ctl;
+    ITypeInfo *ti;
+    ICreateTypeInfo *cti;
+    HREFTYPE hreftype;
+    TYPEATTR *typeattr;
+    ULONG href_cbSizeInstance, i;
+    WORD href_cbAlignment, ptr_size;
+    HRESULT hr;
+
+    static OLECHAR interfaceW[] = {'i','n','t','e','r','f','a','c','e',0};
+
+    switch(kind){
+    case SYS_WIN32:
+        trace("testing SYS_WIN32\n");
+        ptr_size = 4;
+        break;
+    case SYS_WIN64:
+        trace("testing SYS_WIN64\n");
+        ptr_size = 8;
+        break;
+    default:
+        return;
+    }
+
+    GetTempFileNameA(".", "tlb", 0, filenameA);
+    MultiByteToWideChar(CP_ACP, 0, filenameA, -1, filenameW, MAX_PATH);
+
+    hr = CreateTypeLib2(kind, filenameW, &ctl);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    hr = ICreateTypeLib2_CreateTypeInfo(ctl, interfaceW, TKIND_INTERFACE, &cti);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    hr = ICreateTypeInfo_QueryInterface(cti, &IID_ITypeInfo, (void**)&ti);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    hr = ICreateTypeInfo_AddRefTypeInfo(cti, ti, &hreftype);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    hr = ITypeInfo_GetTypeAttr(ti, &typeattr);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    href_cbSizeInstance = typeattr->cbSizeInstance;
+    href_cbAlignment = typeattr->cbAlignment;
+
+    ITypeInfo_ReleaseTypeAttr(ti, typeattr);
+
+    ITypeInfo_Release(ti);
+    ICreateTypeInfo_Release(cti);
+
+    hr = ICreateTypeLib2_QueryInterface(ctl, &IID_ITypeLib, (void**)&tl);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    for(i = 0; TDATests[i].vt; ++i)
+        testTDA(tl, &TDATests[i], ptr_size, hreftype, href_cbSizeInstance, href_cbAlignment, TRUE);
+
+    hr = ICreateTypeLib2_SaveAllChanges(ctl);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    ITypeLib_Release(tl);
+    ok(0 == ICreateTypeLib2_Release(ctl), "typelib should have been released");
+
+    trace("after save...\n");
+
+    hr = LoadTypeLibEx(filenameW, REGKIND_NONE, &tl);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    hr = ITypeLib_GetTypeInfo(tl, 0, &ti);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    hr = ITypeInfo_GetTypeAttr(ti, &typeattr);
+    ok(hr == S_OK, "got %08x\n", hr);
+
+    href_cbSizeInstance = typeattr->cbSizeInstance;
+    href_cbAlignment = typeattr->cbAlignment;
+
+    ITypeInfo_ReleaseTypeAttr(ti, typeattr);
+    ITypeInfo_Release(ti);
+
+    for(i = 0; TDATests[i].vt; ++i)
+        testTDA(tl, &TDATests[i], ptr_size, hreftype, href_cbSizeInstance, href_cbAlignment, FALSE);
+
+    ok(0 == ITypeLib_Release(tl), "typelib should have been released");
+
+    DeleteFileA(filenameA);
+}
+
 START_TEST(typelib)
 {
     const char *filename;
@@ -4602,8 +4935,10 @@ START_TEST(typelib)
     if(sizeof(void*) == 8){
         test_QueryPathOfRegTypeLib(64);
         test_CreateTypeLib(SYS_WIN64);
+        test_SetTypeDescAlias(SYS_WIN64);
     }
     test_CreateTypeLib(SYS_WIN32);
+    test_SetTypeDescAlias(SYS_WIN32);
     test_inheritance();
     test_SetVarHelpContext();
     test_SetFuncAndParamNames();
diff --git a/dlls/oleaut32/typelib.c b/dlls/oleaut32/typelib.c
index 8985a02..02f9ced 100644
--- a/dlls/oleaut32/typelib.c
+++ b/dlls/oleaut32/typelib.c
@@ -1160,7 +1160,7 @@ typedef struct tagITypeInfoImpl
     WORD wTypeFlags;
     WORD wMajorVerNum;
     WORD wMinorVerNum;
-    TYPEDESC tdescAlias;
+    TYPEDESC *tdescAlias;
     IDLDESC idldescType;
 
     ITypeLibImpl * pTypeLib;        /* back pointer to typelib */
@@ -2331,8 +2331,7 @@ static int MSFT_CustData( TLBContext *pcx, int offset, struct list *custdata_lis
     return count;
 }
 
-static void MSFT_GetTdesc(TLBContext *pcx, INT type, TYPEDESC *pTd,
-			  ITypeInfoImpl *pTI)
+static void MSFT_GetTdesc(TLBContext *pcx, INT type, TYPEDESC *pTd)
 {
     if(type <0)
         pTd->vt=type & VT_TYPEMASK;
@@ -2464,8 +2463,7 @@ MSFT_DoFuncs(TLBContext*     pcx,
 
         MSFT_GetTdesc(pcx,
 		      pFuncRec->DataType,
-		      &ptfd->funcdesc.elemdescFunc.tdesc,
-		      pTI);
+		      &ptfd->funcdesc.elemdescFunc.tdesc);
 
         /* do the parameters/arguments */
         if(pFuncRec->nrargs)
@@ -2487,8 +2485,7 @@ MSFT_DoFuncs(TLBContext*     pcx,
 
                 MSFT_GetTdesc(pcx,
 			      paraminfo.DataType,
-			      &elemdesc->tdesc,
-			      pTI);
+			      &elemdesc->tdesc);
 
                 elemdesc->u.paramdesc.wParamFlags = paraminfo.Flags;
 
@@ -2592,7 +2589,7 @@ static void MSFT_DoVars(TLBContext *pcx, ITypeInfoImpl *pTI, int cFuncs,
         ptvd->vardesc.varkind = pVarRec->VarKind;
         ptvd->vardesc.wVarFlags = pVarRec->Flags;
         MSFT_GetTdesc(pcx, pVarRec->DataType,
-            &ptvd->vardesc.elemdescVar.tdesc, pTI);
+            &ptvd->vardesc.elemdescVar.tdesc);
 /*   ptvd->vardesc.lpstrSchema; is reserved (SDK) FIXME?? */
         if(pVarRec->VarKind == VAR_CONST ){
             ptvd->vardesc.u.lpvarValue = heap_alloc_zero(sizeof(VARIANT));
@@ -2633,7 +2630,7 @@ static void MSFT_DoImplTypes(TLBContext *pcx, ITypeInfoImpl *pTI, int count,
 static void TLB_fix_32on64_typeinfo(ITypeInfoImpl *info)
 {
     if(info->typekind == TKIND_ALIAS){
-        switch(info->tdescAlias.vt){
+        switch(info->tdescAlias->vt){
         case VT_BSTR:
         case VT_DISPATCH:
         case VT_UNKNOWN:
@@ -2646,7 +2643,7 @@ static void TLB_fix_32on64_typeinfo(ITypeInfoImpl *info)
             break;
         case VT_CARRAY:
         case VT_USERDEFINED:
-            TLB_size_instance(info, SYS_WIN64, &info->tdescAlias, &info->cbSizeInstance, &info->cbAlignment);
+            TLB_size_instance(info, SYS_WIN64, info->tdescAlias, &info->cbSizeInstance, &info->cbAlignment);
             break;
         case VT_VARIANT:
             info->cbSizeInstance = sizeof(VARIANT);
@@ -2701,9 +2698,12 @@ static ITypeInfoImpl * MSFT_DoTypeInfo(
     ptiRet->wMinorVerNum=HIWORD(tiBase.version);
     ptiRet->cImplTypes=tiBase.cImplTypes;
     ptiRet->cbSizeVft=tiBase.cbSizeVft; /* FIXME: this is only the non inherited part */
-    if(ptiRet->typekind == TKIND_ALIAS)
-        MSFT_GetTdesc(pcx, tiBase.datatype1,
-            &ptiRet->tdescAlias, ptiRet);
+    if(ptiRet->typekind == TKIND_ALIAS){
+        TYPEDESC tmp;
+        MSFT_GetTdesc(pcx, tiBase.datatype1, &tmp);
+        ptiRet->tdescAlias = heap_alloc(TLB_SizeTypeDesc(&tmp, TRUE));
+        TLB_CopyTypeDesc(NULL, &tmp, ptiRet->tdescAlias);
+    }
 
 /*  FIXME: */
 /*    IDLDESC  idldescType; *//* never saw this one != zero  */
@@ -4308,9 +4308,10 @@ static void SLTG_ProcessAlias(char *pBlk, ITypeInfoImpl *pTI,
   sltg_ref_lookup_t *ref_lookup = NULL;
 
   if (pTITail->simple_alias) {
-    /* if simple alias, no more processing required */
-    pTI->tdescAlias.vt = pTITail->tdescalias_vt;
-    return;
+      /* if simple alias, no more processing required */
+      pTI->tdescAlias = heap_alloc_zero(sizeof(TYPEDESC));
+      pTI->tdescAlias->vt = pTITail->tdescalias_vt;
+      return;
   }
 
   if(pTIHeader->href_table != 0xffffffff) {
@@ -4321,7 +4322,8 @@ static void SLTG_ProcessAlias(char *pBlk, ITypeInfoImpl *pTI,
   /* otherwise it is an offset to a type */
   pType = (WORD *)(pBlk + pTITail->tdescalias_vt);
 
-  SLTG_DoType(pType, pBlk, &pTI->tdescAlias, ref_lookup);
+  pTI->tdescAlias = heap_alloc(sizeof(TYPEDESC));
+  SLTG_DoType(pType, pBlk, pTI->tdescAlias, ref_lookup);
 
   heap_free(ref_lookup);
 }
@@ -4800,8 +4802,10 @@ static ULONG WINAPI ITypeLib2_fnRelease( ITypeLib2 *iface)
           heap_free(ref_type);
       }
 
-      for (i = 0; i < This->TypeInfoCount; ++i)
+      for (i = 0; i < This->TypeInfoCount; ++i){
+          heap_free(This->typeinfos[i]->tdescAlias);
           ITypeInfoImpl_Destroy(This->typeinfos[i]);
+      }
       heap_free(This->typeinfos);
       heap_free(This);
       return 0;
@@ -5678,8 +5682,8 @@ static HRESULT WINAPI ITypeInfo_fnGetTypeAttr( ITypeInfo2 *iface,
     TRACE("(%p)\n",This);
 
     size = sizeof(**ppTypeAttr);
-    if (This->typekind == TKIND_ALIAS)
-        size += TLB_SizeTypeDesc(&This->tdescAlias, FALSE);
+    if (This->typekind == TKIND_ALIAS && This->tdescAlias)
+        size += TLB_SizeTypeDesc(This->tdescAlias, FALSE);
 
     *ppTypeAttr = heap_alloc(size);
     if (!*ppTypeAttr)
@@ -5700,12 +5704,15 @@ static HRESULT WINAPI ITypeInfo_fnGetTypeAttr( ITypeInfo2 *iface,
     (*ppTypeAttr)->wTypeFlags = This->wTypeFlags;
     (*ppTypeAttr)->wMajorVerNum = This->wMajorVerNum;
     (*ppTypeAttr)->wMinorVerNum = This->wMinorVerNum;
-    (*ppTypeAttr)->tdescAlias = This->tdescAlias;
     (*ppTypeAttr)->idldescType = This->idldescType;
 
-    if (This->typekind == TKIND_ALIAS)
+    if (This->tdescAlias)
         TLB_CopyTypeDesc(&(*ppTypeAttr)->tdescAlias,
-            &This->tdescAlias, *ppTypeAttr + 1);
+            This->tdescAlias, *ppTypeAttr + 1);
+    else{
+        (*ppTypeAttr)->tdescAlias.vt = VT_EMPTY;
+        (*ppTypeAttr)->tdescAlias.u.lptdesc = NULL;
+    }
 
     if((*ppTypeAttr)->typekind == TKIND_DISPATCH) {
         /* This should include all the inherited funcs */
@@ -9122,14 +9129,18 @@ static DWORD WMSFT_append_typedesc(TYPEDESC *desc, WMSFT_TLBFile *file, DWORD *o
     INT16 junk2;
     DWORD offs = 0;
     DWORD encoded[2];
-    VARTYPE vt = desc->vt & VT_TYPEMASK, subtype;
+    VARTYPE vt, subtype;
     char *data;
 
+    if(!desc)
+        return -1;
+
     if(!out_mix)
         out_mix = &junk;
     if(!out_size)
         out_size = &junk2;
 
+    vt = desc->vt & VT_TYPEMASK;
     switch(vt){
     case VT_INT:
         subtype = VT_I4;
@@ -9619,7 +9630,7 @@ static DWORD WMSFT_compile_typeinfo(ITypeInfoImpl *info, INT16 index, WMSFT_TLBF
         if(info->typekind == TKIND_COCLASS){
             base->datatype1 = WMSFT_compile_typeinfo_ref(info, file);
         }else if(info->typekind == TKIND_ALIAS){
-            base->datatype1 = WMSFT_append_typedesc(&info->tdescAlias, file, NULL, NULL);
+            base->datatype1 = WMSFT_append_typedesc(info->tdescAlias, file, NULL, NULL);
         }else if(info->typekind == TKIND_MODULE){
             if(info->DllName)
                 base->datatype1 = info->DllName->offset;
@@ -10684,8 +10695,25 @@ static HRESULT WINAPI ICreateTypeInfo2_fnSetTypeDescAlias(ICreateTypeInfo2 *ifac
         TYPEDESC *tdescAlias)
 {
     ITypeInfoImpl *This = info_impl_from_ICreateTypeInfo2(iface);
-    FIXME("%p %p - stub\n", This, tdescAlias);
-    return E_NOTIMPL;
+    HRESULT hr;
+
+    TRACE("%p %p\n", This, tdescAlias);
+
+    if(!tdescAlias)
+        return E_INVALIDARG;
+
+    if(This->typekind != TKIND_ALIAS)
+        return TYPE_E_BADMODULEKIND;
+
+    hr = TLB_size_instance(This, This->pTypeLib->syskind, tdescAlias, &This->cbSizeInstance, &This->cbAlignment);
+    if(FAILED(hr))
+        return hr;
+
+    heap_free(This->tdescAlias);
+    This->tdescAlias = heap_alloc(TLB_SizeTypeDesc(tdescAlias, TRUE));
+    TLB_CopyTypeDesc(NULL, tdescAlias, This->tdescAlias);
+
+    return S_OK;
 }
 
 static HRESULT WINAPI ICreateTypeInfo2_fnDefineFuncAsDllEntry(ICreateTypeInfo2 *iface,
-- 
1.8.3.4




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