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Bug 646901 - add error checking to fix crash in nsMsgXFVirtualFolderDBView::OnSearchHit().

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dbToUse was null

Rag #1273
This commit is contained in:
Matt A. Tobin 2019-11-10 19:17:09 -05:00 • committed by Roy Tam
commit 3141e9940a
1 changed files with 8 additions and 7 deletions
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15
mailnews/base/src/nsMsgXFVirtualFolderDBView.cpp
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@ -251,10 +251,6 @@ nsMsgXFVirtualFolderDBView::OnSearchHit(nsIMsgDBHdr* aMsgHdr, nsIMsgFolder *aFol
NS_ENSURE_ARG(aMsgHdr);
NS_ENSURE_ARG(aFolder);
nsCOMPtr<nsIMsgDatabase> dbToUse;
nsCOMPtr<nsIDBFolderInfo> folderInfo;
aFolder->GetDBFolderInfoAndDB(getter_AddRefs(folderInfo), getter_AddRefs(dbToUse));
if (m_curFolderGettingHits != aFolder && m_doingSearch && !m_doingQuickSearch)
{
m_curFolderHasCachedHits = false;
@ -267,11 +263,16 @@ nsMsgXFVirtualFolderDBView::OnSearchHit(nsIMsgDBHdr* aMsgHdr, nsIMsgFolder *aFol
m_curFolderStartKeyIndex = m_keys.Length();
}
bool hdrInCache = false;
nsCString searchUri;
if (!m_doingQuickSearch)
{
m_viewFolder->GetURI(searchUri);
dbToUse->HdrIsInCache(searchUri.get(), aMsgHdr, &hdrInCache);
nsCOMPtr<nsIMsgDatabase> dbToUse;
nsCOMPtr<nsIDBFolderInfo> dummyInfo;
nsresult rv = aFolder->GetDBFolderInfoAndDB(getter_AddRefs(dummyInfo), getter_AddRefs(dbToUse));
if (NS_SUCCEEDED(rv)) {
nsCString searchUri;
m_viewFolder->GetURI(searchUri);
dbToUse->HdrIsInCache(searchUri.get(), aMsgHdr, &hdrInCache);
}
}
if (!m_doingSearch || !m_curFolderHasCachedHits || !hdrInCache)
{