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Check for null index in FindFork

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jl777
2018-01-07 18:06:14 +07:00
parent b91547118a
commit df473cc277
1 changed files with 2 additions and 0 deletions
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src/chain.cpp
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@@ -51,6 +51,8 @@ CBlockLocator CChain::GetLocator(const CBlockIndex *pindex) const {
} }
const CBlockIndex *CChain::FindFork(const CBlockIndex *pindex) const { const CBlockIndex *CChain::FindFork(const CBlockIndex *pindex) const {
if ( pindex == 0 )
return(0);
if (pindex->nHeight > Height()) if (pindex->nHeight > Height())
pindex = pindex->GetAncestor(Height()); pindex = pindex->GetAncestor(Height());
while (pindex && !Contains(pindex)) while (pindex && !Contains(pindex))