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reviewed by hyatt bug of someone elses but in my code. dont know number. simple check for null

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This commit is contained in:
mjudge%netscape.com 1999-10-29 23:12:44 +00:00
parent 21ff71f017
commit f503e16496
2 changed files with 10 additions and 10 deletions
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10
content/base/src/nsContentIterator.cpp
View File

@ -446,7 +446,7 @@ nsresult nsContentIterator::GetNextSibling(nsCOMPtr<nsIContent> aNode, nsCOMPtr<
nsCOMPtr<nsIContent> parent;
PRInt32 indx;
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (NS_FAILED(parent->IndexOf(aNode, indx)))
@ -480,7 +480,7 @@ nsresult nsContentIterator::GetPrevSibling(nsCOMPtr<nsIContent> aNode, nsCOMPtr<
nsCOMPtr<nsIContent> parent;
PRInt32 indx;
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (NS_FAILED(parent->IndexOf(aNode, indx)))
@ -537,7 +537,7 @@ nsresult nsContentIterator::NextNode(nsCOMPtr<nsIContent> *ioNextNode)
PRInt32 indx;
// get next sibling if there is one
if (NS_FAILED(cN->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(cN->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (!parent || NS_FAILED(parent->IndexOf(cN, indx)))
{
@ -571,7 +571,7 @@ nsresult nsContentIterator::PrevNode(nsCOMPtr<nsIContent> *ioNextNode)
PRInt32 indx;
// get prev sibling if there is one
if (NS_FAILED(cN->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(cN->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (!parent || NS_FAILED(parent->IndexOf(cN, indx)))
{
@ -1067,7 +1067,7 @@ nsresult nsContentSubtreeIterator::GetTopAncestorInRange(
nsCOMPtr<nsIContent> parent;
while (aNode)
{
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (NS_FAILED(CompareNodeToRange(parent, mRange, &nodeBefore, &nodeAfter)))
return NS_ERROR_FAILURE;

10
layout/base/src/nsContentIterator.cpp
View File

@ -446,7 +446,7 @@ nsresult nsContentIterator::GetNextSibling(nsCOMPtr<nsIContent> aNode, nsCOMPtr<
nsCOMPtr<nsIContent> parent;
PRInt32 indx;
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (NS_FAILED(parent->IndexOf(aNode, indx)))
@ -480,7 +480,7 @@ nsresult nsContentIterator::GetPrevSibling(nsCOMPtr<nsIContent> aNode, nsCOMPtr<
nsCOMPtr<nsIContent> parent;
PRInt32 indx;
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (NS_FAILED(parent->IndexOf(aNode, indx)))
@ -537,7 +537,7 @@ nsresult nsContentIterator::NextNode(nsCOMPtr<nsIContent> *ioNextNode)
PRInt32 indx;
// get next sibling if there is one
if (NS_FAILED(cN->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(cN->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (!parent || NS_FAILED(parent->IndexOf(cN, indx)))
{
@ -571,7 +571,7 @@ nsresult nsContentIterator::PrevNode(nsCOMPtr<nsIContent> *ioNextNode)
PRInt32 indx;
// get prev sibling if there is one
if (NS_FAILED(cN->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(cN->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (!parent || NS_FAILED(parent->IndexOf(cN, indx)))
{
@ -1067,7 +1067,7 @@ nsresult nsContentSubtreeIterator::GetTopAncestorInRange(
nsCOMPtr<nsIContent> parent;
while (aNode)
{
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))))
if (NS_FAILED(aNode->GetParent(*getter_AddRefs(parent))) || !parent)
return NS_ERROR_FAILURE;
if (NS_FAILED(CompareNodeToRange(parent, mRange, &nodeBefore, &nodeAfter)))
return NS_ERROR_FAILURE;