Refactor: make the read function simpler

This commit is contained in:
gnuser 2017-09-02 22:41:25 -07:00
parent acb11535cb
commit 9db9d6215f

View File

@ -345,18 +345,16 @@ public:
// Read from the beginning of the buffer
unsigned int nReadPosNext = nReadPos + nSize;
if (nReadPosNext >= vch.size())
if (nReadPosNext > vch.size()) {
throw std::ios_base::failure("CDataStream::read(): end of data");
}
memcpy(pch, &vch[nReadPos], nSize);
if (nReadPosNext == vch.size())
{
if (nReadPosNext > vch.size())
{
throw std::ios_base::failure("CDataStream::read(): end of data");
}
memcpy(pch, &vch[nReadPos], nSize);
nReadPos = 0;
vch.clear();
return;
}
memcpy(pch, &vch[nReadPos], nSize);
nReadPos = nReadPosNext;
}