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Fix bug with accessing vchData[0] when vchData is empty.

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Fix typo in CBase58Data::CompareTo
This commit is contained in:
Abraham Jewowich 2011-07-18 06:26:54 -07:00
parent cb61b8dc4c
commit 03f8b54565
1 changed files with 7 additions and 4 deletions
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5
src/base58.h
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@ -173,6 +173,7 @@ protected:
~CBase58Data()
{
if (!vchData.empty())
memset(&vchData[0], 0, vchData.size());
}
@ -180,6 +181,7 @@ protected:
{
nVersion = nVersionIn;
vchData.resize(nSize);
if (!vchData.empty())
memcpy(&vchData[0], pdata, nSize);
}
@ -201,6 +203,7 @@ public:
}
nVersion = vchTemp[0];
vchData.resize(vchTemp.size() - 1);
if (!vchData.empty())
memcpy(&vchData[0], &vchTemp[1], vchData.size());
memset(&vchTemp[0], 0, vchTemp.size());
return true;
@ -221,7 +224,7 @@ public:
int CompareTo(const CBase58Data& b58) const
{
if (nVersion < b58.nVersion) return -1;
if (nVersion < b58.nVersion) return 1;
if (nVersion > b58.nVersion) return 1;
if (vchData < b58.vchData) return -1;
if (vchData > b58.vchData) return 1;
return 0;