Function http_content_coding_finish

cups/http.c:3759–3826

 */

static void
http_content_coding_finish(
    http_t *http)			/* I - HTTP connection */
{
  int		zerr;			/* Compression status */
  Byte		dummy[1];		/* Dummy read buffer */
  size_t	bytes;			/* Number of bytes to write */


  DEBUG_printf(("http_content_coding_finish(http=%p)", (void *)http));
  DEBUG_printf(("1http_content_coding_finishing: http->coding=%d", http->coding));

  switch (http->coding)
  {
    case _HTTP_CODING_DEFLATE :
    case _HTTP_CODING_GZIP :
        ((z_stream *)http->stream)->next_in  = dummy;
        ((z_stream *)http->stream)->avail_in = 0;

        do
        {
          zerr  = deflate((z_stream *)http->stream, Z_FINISH);
	  bytes = _HTTP_MAX_SBUFFER - ((z_stream *)http->stream)->avail_out;

          if (bytes > 0)
	  {
	    DEBUG_printf(("1http_content_coding_finish: Writing trailing chunk, len=%d", (int)bytes));

	    if (http->data_encoding == HTTP_ENCODING_CHUNKED)
	      http_write_chunk(http, (char *)http->sbuffer, bytes);
	    else
	      http_write(http, (char *)http->sbuffer, bytes);
          }

          ((z_stream *)http->stream)->next_out  = (Bytef *)http->sbuffer;
          ((z_stream *)http->stream)->avail_out = (uInt)_HTTP_MAX_SBUFFER;
	}
        while (zerr == Z_OK);

        deflateEnd((z_stream *)http->stream);

        free(http->sbuffer);
        free(http->stream);

        http->sbuffer = NULL;
        http->stream  = NULL;

        if (http->wused)
          httpFlushWrite(http);
        break;

    case _HTTP_CODING_INFLATE :
    case _HTTP_CODING_GUNZIP :
        inflateEnd((z_stream *)http->stream);

        free(http->sbuffer);
        free(http->stream);