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joshbc/ReadBuffer.cpp

Created September 16, 2015 14:03
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unsigned char array to long conversion
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ReadBuffer.cpp
typedef int32_t LONG;
const unsigned char* pData[4];
int pReadIndex = 0;
//unsafe
LONG *p_long = reinterpret_cast< LONG (&)[4] >( pData[pReadIndex] );
//safe
LONG aLong = reinterpret_cast<LONG>(pData[pReadIndex++]) |
reinterpret_cast<LONG>(pData[pReadIndex++]) << 8 |
reinterpret_cast<LONG>(pData[pReadIndex++]) << 16 |
reinterpret_cast<LONG>(pData[pReadIndex++]) << 24;
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