/*!
\internal
Writes \a len bytes to the socket from \a data and returns the
number of bytes written. Returns -1 if an error occurred.
*/
Q_LONG cAsyncNetIOPrivate::writeBlock( const char* data, Q_ULONG len )
{
// Invalid Socket -> Disconnected
if ( !socket->isValid() )
{
socket->close();
return 0;
}
if ( len == 0 )
return 0;
QByteArray* a = wba.last();
if ( a && a->size() + len < 128 )
{
// small buffer, resize
int i = a->size();
a->resize( i + len );
memcpy( a->data() + i, data, len );
}
else
{
// append new buffer
a = new QByteArray( len );
memcpy( a->data(), data, len );
wba.append( a );
}
wsize += len;
return len;
}
void QSocketPrivate::closeSocket()
{
// Order is important here - the socket notifiers must go away
// before the socket does, otherwise libc or the kernel will
// become unhappy.
delete rsn;
rsn = 0;
delete wsn;
wsn = 0;
if ( socket )
socket->close();
}