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fix null pointer dereference

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This commit is contained in:
Jimmy Kiselak 2015-10-21 23:35:30 -04:00
parent f976d965c7
commit 7af9e6dc93
1 changed files with 4 additions and 6 deletions
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10
src/claimtrie.cpp
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@ -603,7 +603,10 @@ bool CClaimTrie::updateHash(const std::string& name, uint256& hash)
void CClaimTrie::BatchWriteNode(CLevelDBBatch& batch, const std::string& name, const CClaimTrieNode* pNode) const
{
LogPrintf("%s: Writing %s to disk with %d values\n", __func__, name, pNode->values.size());
uint32_t num_values = 0;
if (pNode)
num_values = pNode->values.size();
LogPrintf("%s: Writing %s to disk with %d values\n", __func__, name, num_values);
if (pNode)
batch.Write(std::make_pair(TRIE_NODE, name), *pNode);
else
@ -710,13 +713,10 @@ bool CClaimTrie::InsertFromDisk(const std::string& name, CClaimTrieNode* node)
bool CClaimTrie::ReadFromDisk(bool check)
{
std::cout << "Trying to read the claim trie from disk" << std::endl;
if (!db.Read(HASH_BLOCK, hashBlock))
LogPrintf("%s: Couldn't read the best block's hash\n", __func__);
std::cout << "Read the best block's hash" << std::endl;
if (!db.Read(CURRENT_HEIGHT, nCurrentHeight))
LogPrintf("%s: Couldn't read the current height\n", __func__);
std::cout << "Read the current height" << std::endl;
boost::scoped_ptr<CLevelDBIterator> pcursor(const_cast<CLevelDBWrapper*>(&db)->NewIterator());
pcursor->SeekToFirst();
@ -725,10 +725,8 @@ bool CClaimTrie::ReadFromDisk(bool check)
std::pair<char, std::string> key;
if (pcursor->GetKey(key))
{
std::cout << "Got a key that looks good" << std::endl;
if (key.first == TRIE_NODE)
{
std::cout << "Got a trie node. name: " << key.second << std::endl;
CClaimTrieNode* node = new CClaimTrieNode();
if (pcursor->GetValue(*node))
{