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Merge #11221: Refactor: simpler read

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9db9d62 Refactor: make the read function simpler (gnuser)

Pull request description:

Tree-SHA512: 5a80cc1b841488323d421e6a40b245d149cab1988247aed6cc7468dcc042d3df15b6711f25e40ff16e03ac21de36adbaa1d8da61ccdb94f97c8b70c24a5eedc5
This commit is contained in:
Wladimir J. van der Laan 2017-11-09 13:15:58 +01:00
commit 0dec4cc300
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1 changed files with 5 additions and 7 deletions
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12
src/streams.h
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@ -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;
}