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Avoid crashing when no link handler is involved

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This commit is contained in:
kipp 1998-06-30 20:22:27 +00:00
parent 90d3d36058
commit 3f7d5435a3
3 changed files with 6 additions and 3 deletions
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3
content/html/style/src/nsCSSStyleSheet.cpp
View File

@ -417,7 +417,8 @@ static PRBool SelectorMatches(nsIPresContext* aPresContext,
// test link state
nsILinkHandler* linkHandler;
if (NS_OK == aPresContext->GetLinkHandler(&linkHandler)) {
if ((NS_OK == aPresContext->GetLinkHandler(&linkHandler)) &&
(nsnull != linkHandler)) {
nsAutoString base, href; // XXX base??
htmlContent->GetAttribute("href", href);

3
layout/html/style/src/nsCSSStyleSheet.cpp
View File

@ -417,7 +417,8 @@ static PRBool SelectorMatches(nsIPresContext* aPresContext,
// test link state
nsILinkHandler* linkHandler;
if (NS_OK == aPresContext->GetLinkHandler(&linkHandler)) {
if ((NS_OK == aPresContext->GetLinkHandler(&linkHandler)) &&
(nsnull != linkHandler)) {
nsAutoString base, href; // XXX base??
htmlContent->GetAttribute("href", href);

3
layout/style/nsCSSStyleSheet.cpp
View File

@ -417,7 +417,8 @@ static PRBool SelectorMatches(nsIPresContext* aPresContext,
// test link state
nsILinkHandler* linkHandler;
if (NS_OK == aPresContext->GetLinkHandler(&linkHandler)) {
if ((NS_OK == aPresContext->GetLinkHandler(&linkHandler)) &&
(nsnull != linkHandler)) {
nsAutoString base, href; // XXX base??
htmlContent->GetAttribute("href", href);