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Merge pull request #2705 from robbak/crash_zero_size_peers.dat 

Don't attempt to resize vector to negative size.
This commit is contained in:
Jeff Garzik 2013-05-30 09:13:44 -07:00
parent d397715661 98ab2b5a26
commit 87ec1929cf
1 changed files with 2 additions and 0 deletions
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src/db.cpp
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@ -541,6 +541,8 @@ bool CAddrDB::Read(CAddrMan& addr)
// use file size to size memory buffer // use file size to size memory buffer
int fileSize = GetFilesize(filein); int fileSize = GetFilesize(filein);
int dataSize = fileSize - sizeof(uint256); int dataSize = fileSize - sizeof(uint256);
//Don't try to resize to a negative number if file is small
if ( dataSize < 0 ) dataSize = 0;
vector<unsigned char> vchData; vector<unsigned char> vchData;
vchData.resize(dataSize); vchData.resize(dataSize);
uint256 hashIn; uint256 hashIn;