diff options
Diffstat (limited to 'src/chain.cpp')
| -rw-r--r-- | src/chain.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/chain.cpp b/src/chain.cpp index 9f40c41fde..79e8bdfa44 100644 --- a/src/chain.cpp +++ b/src/chain.cpp @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2016 The Bitcoin Core developers +// Copyright (c) 2009-2017 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -80,12 +80,13 @@ int static inline GetSkipHeight(int height) { return (height & 1) ? InvertLowestOne(InvertLowestOne(height - 1)) + 1 : InvertLowestOne(height); } -CBlockIndex* CBlockIndex::GetAncestor(int height) +const CBlockIndex* CBlockIndex::GetAncestor(int height) const { - if (height > nHeight || height < 0) + if (height > nHeight || height < 0) { return nullptr; + } - CBlockIndex* pindexWalk = this; + const CBlockIndex* pindexWalk = this; int heightWalk = nHeight; while (heightWalk > height) { int heightSkip = GetSkipHeight(heightWalk); @@ -106,9 +107,9 @@ CBlockIndex* CBlockIndex::GetAncestor(int height) return pindexWalk; } -const CBlockIndex* CBlockIndex::GetAncestor(int height) const +CBlockIndex* CBlockIndex::GetAncestor(int height) { - return const_cast<CBlockIndex*>(this)->GetAncestor(height); + return const_cast<CBlockIndex*>(static_cast<const CBlockIndex*>(this)->GetAncestor(height)); } void CBlockIndex::BuildSkip() |