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Check for null. If a NS_EXTERNALHELPERAPPSERVICE_PROGID was not found,

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crash would occur.
This commit is contained in:
dougt%netscape.com 2000-06-27 21:43:17 +00:00
parent ff5f81fb66
commit 17461eaf11
1 changed files with 7 additions and 5 deletions
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12
uriloader/base/nsURILoader.cpp
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@ -368,11 +368,13 @@ nsresult nsDocumentOpenInfo::DispatchContent(nsIChannel * aChannel, nsISupports
aChannel->GetURI(getter_AddRefs(uri));
nsCOMPtr<nsIStreamListener> contentStreamListener;
nsCOMPtr<nsIExternalHelperAppService> helperAppService (do_GetService(NS_EXTERNALHELPERAPPSERVICE_PROGID));
rv = helperAppService->DoContent(contentType, uri, m_originalContext, &abortProcess, getter_AddRefs(contentStreamListener));
if (NS_SUCCEEDED(rv) && contentStreamListener)
return RetargetOutput(aChannel, contentType, contentType, contentStreamListener);
else
rv = NS_ERROR_FAILURE; // this will cause us to bring up the unknown content handler dialog.
if (helperAppService)
{
rv = helperAppService->DoContent(contentType, uri, m_originalContext, &abortProcess, getter_AddRefs(contentStreamListener));
if (NS_SUCCEEDED(rv) && contentStreamListener)
return RetargetOutput(aChannel, contentType, contentType, contentStreamListener);
}
rv = NS_ERROR_FAILURE; // this will cause us to bring up the unknown content handler dialog.
}
if (NS_FAILED(rv))