public override int Read(byte[] b, int off, int len)
{
if (len == 0)
{
return(0);
}
int err;
z.next_out = b;
z.next_out_index = off;
z.avail_out = len;
do
{
if ((z.avail_in == 0) && (!nomoreinput)) // if buffer is empty and more input is avaiable, refill it
{
z.next_in_index = 0;
z.avail_in = inp.Read(buf, 0, BUFSIZE);//(BUFSIZE<z.avail_out ? BUFSIZE : z.avail_out));
if (z.avail_in == 0)
{
z.avail_in = 0;
nomoreinput = true;
}
}
err = z.inflate(flush);
if (nomoreinput && (err == Zlib.Z_BUF_ERROR))
{
return(-1);
}
if (err != Zlib.Z_OK && err != Zlib.Z_STREAM_END)
{
throw new IOException("inflating: " + z.msg);
}
if ((nomoreinput || err == Zlib.Z_STREAM_END) && (z.avail_out == len))
{
return(0);
}
}while(z.avail_out == len && err == Zlib.Z_OK);
//System.err.print("("+(len-z.avail_out)+")");
return(len - z.avail_out);
}
