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Code Issues Releases Activity

16 bytes alignment for extra buffer

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orignal 2017-01-04 17:25:30 -05:00
parent 1aae921ce7
commit 4f0c1d11eb
1 changed files with 5 additions and 3 deletions
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8
NTCPSession.cpp
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@ -532,10 +532,12 @@ namespace transport
uint8_t * buf = nullptr, * moreBuf = m_ReceiveBuffer; uint8_t * buf = nullptr, * moreBuf = m_ReceiveBuffer;
if (moreBytes + m_ReceiveBufferOffset > NTCP_BUFFER_SIZE) if (moreBytes + m_ReceiveBufferOffset > NTCP_BUFFER_SIZE)
{ {
buf = new uint8_t[moreBytes + m_ReceiveBufferOffset]; buf = new uint8_t[moreBytes + m_ReceiveBufferOffset + 16];
if (m_ReceiveBufferOffset)
memcpy (buf, m_ReceiveBuffer, m_ReceiveBufferOffset);
moreBuf = buf; moreBuf = buf;
uint8_t rem = ((size_t)buf) & 0x0f;
if (rem) moreBuf += (16 - rem); // align 16
if (m_ReceiveBufferOffset)
memcpy (moreBuf, m_ReceiveBuffer, m_ReceiveBufferOffset);
} }
moreBytes = m_Socket.read_some (boost::asio::buffer (moreBuf + m_ReceiveBufferOffset, moreBytes), ec); moreBytes = m_Socket.read_some (boost::asio::buffer (moreBuf + m_ReceiveBufferOffset, moreBytes), ec);
if (ec) if (ec)