//! [0]
static uchar bindata[] = { 231, 1, 44, ... };
QByteArray	a;
a.setRawData(bindata, sizeof(bindata));	// a points to bindata
QDataStream s(a, IO_ReadOnly);		// open on a's data
s >> <something>;				// read raw bindata
s.close();
a.resetRawData(bindata, sizeof(bindata)); // finished
//! [0]


//! [1]
static uchar bindata[] = { 231, 1, 44, ... };
QByteArray	a, b;
a.setRawData(bindata, sizeof(bindata));	// a points to bindata
a.resize(8);				// will crash
b = a;					// will crash
a[2] = 123;					// might crash
  // forget to resetRawData - will crash
//! [1]