/*
* Skips {@code amount} number of bytes in this stream. Subsequent
* {@code read()}'s will not return these bytes unless {@code reset()} is
* used.
*
* @param amount
* the number of bytes to skip. {@code skip} does nothing and
* returns 0 if {@code amount} is less than zero.
* @return the number of bytes actually skipped.
* @throws IOException
* if this stream is closed or another IOException occurs.
*/
public override long skip(long amount) //throws IOException
{
// Use local refs since buf and in may be invalidated by an
// unsynchronized close()
byte[] localBuf = buf;
InputStream localIn = inJ;
if (localBuf == null)
{
// luni.24=Stream is closed
throw new IOException("Stream is closed"); //$NON-NLS-1$
}
if (amount < 1)
{
return(0);
}
if (localIn == null)
{
// luni.24=Stream is closed
throw new IOException("Stream is closed"); //$NON-NLS-1$
}
if (count - pos >= amount)
{
pos += (int)amount;
return(amount);
}
long read = count - pos;
pos = count;
if (markpos != -1)
{
if (amount <= marklimit)
{
if (fillbuf(localIn, localBuf) == -1)
{
return(read);
}
if (count - pos >= amount - read)
{
pos += (int)(amount - read);
return(amount);
}
// Couldn't get all the bytes, skip what we read
read += (count - pos);
pos = count;
return(read);
}
}
return(read + localIn.skip(amount - read));
}
public override long skip(long n)
{
return(inJ.skip(n));
}