+ z_enc_stream *stream = (z_enc_stream *)vStream;
+ int org_outbuf_len = stream->zstream.total_out;
+ int err;
+ unsigned int chunkavail;
+
+ if (In->ReadWritePointer != NULL)
+ {
+ stream->zstream.next_in = (Bytef *) In->ReadWritePointer;
+ stream->zstream.avail_in = (uInt) In->Buf->BufUsed -
+ (In->ReadWritePointer - In->Buf->buf);
+ }
+ else
+ {
+ stream->zstream.next_in = (Bytef *) In->Buf->buf;
+ stream->zstream.avail_in = (uInt) In->Buf->BufUsed;
+ }
+
+ stream->zstream.next_out = (unsigned char*)stream->OutBuf.buf + stream->OutBuf.BufUsed;
+ stream->zstream.avail_out = chunkavail = (uInt) stream->OutBuf.BufSize - stream->OutBuf.BufUsed;
+
+ err = deflate(&stream->zstream, (LastChunk) ? Z_FINISH : Z_NO_FLUSH);
+
+ stream->OutBuf.BufUsed += (chunkavail - stream->zstream.avail_out);
+ /// todo + org_outbuf_len;
+
+ if (Target) SwapBuffers(Target->Buf, &stream->OutBuf);
+
+ if (stream->zstream.avail_in == 0)
+ {
+ FlushStrBuf(In->Buf);
+ In->ReadWritePointer = NULL;
+ }
+ else
+ {
+ if (stream->zstream.avail_in < 64)
+ {
+ memmove(In->Buf->buf,
+ In->Buf->buf + In->Buf->BufUsed - stream->zstream.avail_in,
+ stream->zstream.avail_in);
+
+ In->Buf->BufUsed = stream->zstream.avail_in;
+ In->Buf->buf[In->Buf->BufUsed] = '\0';
+ }
+ else
+ {
+
+ In->ReadWritePointer = In->Buf->buf +
+ (In->Buf->BufUsed - stream->zstream.avail_in);
+ }
+ }
+ return (LastChunk && (err != Z_FINISH));
+
+ }
+ break;
+ case eZLibDecode: {
+ z_enc_stream *stream = (z_enc_stream *)vStream;
+ int org_outbuf_len = stream->zstream.total_out;
+ int err;
+
+ if ((stream->zstream.avail_out != 0) && (stream->zstream.next_in != NULL)) {
+ if (In->ReadWritePointer != NULL)
+ {
+ stream->zstream.next_in = (Bytef *) In->ReadWritePointer;
+ stream->zstream.avail_in = (uInt) In->Buf->BufUsed -
+ (In->ReadWritePointer - In->Buf->buf);
+ }
+ else
+ {
+ stream->zstream.next_in = (Bytef *) In->Buf->buf;
+ stream->zstream.avail_in = (uInt) In->Buf->BufUsed;
+ }
+ }
+
+ stream->zstream.next_out = (unsigned char*)stream->OutBuf.buf + stream->OutBuf.BufUsed;
+ stream->zstream.avail_out = (uInt) stream->OutBuf.BufSize - stream->OutBuf.BufUsed;
+
+ err = inflate(&stream->zstream, Z_NO_FLUSH);
+
+ ///assert(ret != Z_STREAM_ERROR); /* state not clobbered * /
+ switch (err) {
+ case Z_NEED_DICT:
+ err = Z_DATA_ERROR; /* and fall through */
+
+ case Z_DATA_ERROR:
+ fprintf(stderr, "sanoteuh\n");
+ case Z_MEM_ERROR:
+ (void)inflateEnd(&stream->zstream);
+ return err;
+ }
+
+ stream->OutBuf.BufUsed += stream->zstream.total_out + org_outbuf_len;
+
+ if (Target) SwapBuffers(Target->Buf, &stream->OutBuf);
+
+ if (stream->zstream.avail_in == 0)
+ {
+ FlushStrBuf(In->Buf);
+ In->ReadWritePointer = NULL;
+ }
+ else
+ {
+ if (stream->zstream.avail_in < 64)
+ {
+ memmove(In->Buf->buf,
+ In->Buf->buf + In->Buf->BufUsed - stream->zstream.avail_in,
+ stream->zstream.avail_in);
+
+ In->Buf->BufUsed = stream->zstream.avail_in;
+ In->Buf->buf[In->Buf->BufUsed] = '\0';
+ }
+ else
+ {
+
+ In->ReadWritePointer = In->Buf->buf +
+ (In->Buf->BufUsed - stream->zstream.avail_in);
+ }
+ }