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List: wine-patches
Subject: mshtml #5: Don't assume that nselem is valid in HTMLElement.
From: Jacek Caban <jacek () codeweavers ! com>
Date: 2008-04-30 16:18:46
Message-ID: 48189BE6.7090602 () codeweavers ! com
[Download RAW message or body]
---
dlls/mshtml/htmlelem.c | 42 ++++++++++++++++++++++++++++++++++++++++++
dlls/mshtml/htmlelem2.c | 10 ++++++++++
2 files changed, 52 insertions(+), 0 deletions(-)
["1a6d75961da04fcd53aef6142ffb2cc2d5cb9966.diff" (text/x-patch)]
diff --git a/dlls/mshtml/htmlelem.c b/dlls/mshtml/htmlelem.c
index 0f56cfd..f450297 100644
--- a/dlls/mshtml/htmlelem.c
+++ b/dlls/mshtml/htmlelem.c
@@ -138,6 +138,11 @@ static HRESULT WINAPI HTMLElement_setAttribute(IHTMLElement *iface, BSTR strAttr
WARN("(%p)->(%s . %08x)\n", This, debugstr_w(strAttributeName), lFlags);
+ if(!This->nselem) {
+ FIXME("NULL nselem\n");
+ return E_NOTIMPL;
+ }
+
VariantInit(&AttributeValueChanged);
hres = VariantChangeType(&AttributeValueChanged, &AttributeValue, 0, VT_BSTR);
@@ -178,6 +183,11 @@ static HRESULT WINAPI HTMLElement_getAttribute(IHTMLElement *iface, BSTR strAttr
WARN("(%p)->(%s %08x %p)\n", This, debugstr_w(strAttributeName), lFlags, AttributeValue);
+ if(!This->nselem) {
+ FIXME("NULL nselem\n");
+ return E_NOTIMPL;
+ }
+
V_VT(AttributeValue) = VT_NULL;
nsAString_Init(&attr_str, strAttributeName);
@@ -245,6 +255,11 @@ static HRESULT WINAPI HTMLElement_get_className(IHTMLElement *iface, BSTR *p)
TRACE("(%p)->(%p)\n", This, p);
+ if(!This->nselem) {
+ FIXME("NULL nselem\n");
+ return E_NOTIMPL;
+ }
+
nsAString_Init(&class_str, NULL);
nsres = nsIDOMHTMLElement_GetClassName(This->nselem, &class_str);
@@ -286,6 +301,15 @@ static HRESULT WINAPI HTMLElement_get_tagName(IHTMLElement *iface, BSTR *p)
TRACE("(%p)->(%p)\n", This, p);
+ if(!This->nselem) {
+ static const WCHAR comment_tagW[] = {'!',0};
+
+ WARN("NULL nselem, assuming comment\n");
+
+ *p = SysAllocString(comment_tagW);
+ return S_OK;
+ }
+
nsAString_Init(&tag_str, NULL);
nsres = nsIDOMHTMLElement_GetTagName(This->nselem, &tag_str);
if(NS_SUCCEEDED(nsres)) {
@@ -316,6 +340,11 @@ static HRESULT WINAPI HTMLElement_get_style(IHTMLElement *iface, IHTMLStyle **p)
TRACE("(%p)->(%p)\n", This, p);
+ if(!This->nselem) {
+ FIXME("NULL nselem\n");
+ return E_NOTIMPL;
+ }
+
nsres = nsIDOMHTMLElement_QueryInterface(This->nselem, &IID_nsIDOMElementCSSInlineStyle,
(void**)&nselemstyle);
if(NS_FAILED(nsres)) {
@@ -627,6 +656,11 @@ static HRESULT WINAPI HTMLElement_put_innerHTML(IHTMLElement *iface, BSTR v)
TRACE("(%p)->(%s)\n", This, debugstr_w(v));
+ if(!This->nselem) {
+ FIXME("NULL nselem\n");
+ return E_NOTIMPL;
+ }
+
nsres = nsIDOMHTMLElement_QueryInterface(This->nselem, &IID_nsIDOMNSHTMLElement, (void**)&nselem);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMNSHTMLElement: %08x\n", nsres);
@@ -702,6 +736,11 @@ static HRESULT HTMLElement_InsertAdjacentNode(HTMLElement *This, BSTR where, nsI
static const WCHAR wszAfterEnd[] = {'a','f','t','e','r','E','n','d',0};
nsresult nsres;
+ if(!This->nselem) {
+ FIXME("NULL nselem\n");
+ return E_NOTIMPL;
+ }
+
if (!strcmpiW(where, wszBeforeBegin))
{
nsIDOMNode *unused;
@@ -1513,6 +1552,9 @@ static BOOL is_elem_name(HTMLElement *elem, LPCWSTR name)
static const PRUnichar nameW[] = {'n','a','m','e',0};
+ if(!elem->nselem)
+ return FALSE;
+
nsAString_Init(&nsstr, NULL);
nsIDOMHTMLElement_GetId(elem->nselem, &nsstr);
nsAString_GetData(&nsstr, &str);
diff --git a/dlls/mshtml/htmlelem2.c b/dlls/mshtml/htmlelem2.c
index 01c88fa..4430703 100644
--- a/dlls/mshtml/htmlelem2.c
+++ b/dlls/mshtml/htmlelem2.c
@@ -651,6 +651,11 @@ static HRESULT WINAPI HTMLElement2_put_scrollTop(IHTMLElement2 *iface, long v)
TRACE("(%p)->(%ld)\n", This, v);
+ if(!This->nselem) {
+ FIXME("NULL nselem\n");
+ return E_NOTIMPL;
+ }
+
nsres = nsIDOMHTMLElement_QueryInterface(This->nselem, &IID_nsIDOMNSHTMLElement, (void**)&nselem);
if(NS_SUCCEEDED(nsres)) {
nsIDOMNSHTMLElement_SetScrollTop(nselem, v);
@@ -677,6 +682,11 @@ static HRESULT WINAPI HTMLElement2_put_scrollLeft(IHTMLElement2 *iface, long v)
TRACE("(%p)->(%ld)\n", This, v);
+ if(!This->nselem) {
+ FIXME("NULL nselem\n");
+ return E_NOTIMPL;
+ }
+
nsres = nsIDOMHTMLElement_QueryInterface(This->nselem, &IID_nsIDOMNSHTMLElement, (void**)&nselem);
if(NS_SUCCEEDED(nsres)) {
nsIDOMNSHTMLElement_SetScrollLeft(nselem, v);
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