public override int Compress(byte[] buf, int start, int len)
{
stream.next_in = buf;
stream.next_in_index = start;
stream.avail_in = len - start;
int status;
int outputlen = start;
do
{
stream.next_out = tmpbuf;
stream.next_out_index = 0;
stream.avail_out = BUF_SIZE;
status = stream.Deflate(JZlib.Z_PARTIAL_FLUSH);
switch (status)
{
case JZlib.Z_OK:
{
System.Array.Copy(tmpbuf, 0, buf, outputlen, BUF_SIZE - stream.avail_out);
outputlen += (BUF_SIZE - stream.avail_out);
break;
}
default:
{
System.Console.Error.WriteLine("compress: deflate returnd " + status);
break;
}
}
}while (stream.avail_out == 0);
return(outputlen);
}
public override byte[] Compress(byte[] buf, int start, int[] len)
{
stream.next_in = buf;
stream.next_in_index = start;
stream.avail_in = len[0] - start;
int status;
int outputlen = start;
byte[] outputbuf = buf;
int tmp = 0;
do
{
stream.next_out = tmpbuf;
stream.next_out_index = 0;
stream.avail_out = BUF_SIZE;
status = stream.Deflate(JZlib.Z_PARTIAL_FLUSH);
switch (status)
{
case JZlib.Z_OK:
{
tmp = BUF_SIZE - stream.avail_out;
if (outputbuf.Length < outputlen + tmp + buffer_margin)
{
byte[] foo = new byte[(outputlen + tmp + buffer_margin) * 2];
System.Array.Copy(outputbuf, 0, foo, 0, outputbuf.Length);
outputbuf = foo;
}
System.Array.Copy(tmpbuf, 0, outputbuf, outputlen, tmp);
outputlen += tmp;
break;
}
default:
{
System.Console.Error.WriteLine("compress: deflate returnd " + status);
break;
}
}
}while (stream.avail_out == 0);
len[0] = outputlen;
return(outputbuf);
}
