1 files changed, 3 insertions, 5 deletions
diff --git a/include/mailutils/sys/filter.h b/include/mailutils/sys/filter.h
index 1ee0b1942..23b5affcd 100644
--- a/include/mailutils/sys/filter.h
+++ b/include/mailutils/sys/filter.h
@@ -36,16 +36,14 @@ struct _mu_filter_buffer
   size_t pos;
 };
 
-#define _MU_FILTER_DISABLED 0x01
-#define _MU_FILTER_EOF      0x02  
-  
 struct _mu_filter_stream
 {
   struct _mu_stream stream;
   mu_stream_t transport;
   int mode;
-  int fltflag;
-  
+  unsigned flag_disabled:1;
+  unsigned flag_eof:1;
+  size_t outbuf_size;
   struct _mu_filter_buffer inbuf, outbuf;
   mu_filter_xcode_t xcode;
   void *xdata;