(enum memb_visibility): Moved here from membership.c.

(membership_visible): Now exported from membership.c.
(set_conf_errno): New function.

src/server/manipulate.h

 /*
- * $Id: manipulate.h,v 0.35 2002/03/29 22:29:46 ceder Exp $
+ * $Id: manipulate.h,v 0.36 2002/08/10 16:57:19 ceder Exp $
  * Copyright (C) 1991-1994, 1996-2002  Lysator Academic Computer Association.
  *
  * This file is part of the LysKOM server.
@@ -23,7 +23,7 @@
  * Please mail bug reports to bug-lyskom@lysator.liu.se. 
  */
 /*
- * $Id: manipulate.h,v 0.35 2002/03/29 22:29:46 ceder Exp $
+ * $Id: manipulate.h,v 0.36 2002/08/10 16:57:19 ceder Exp $
  *
  * manipulate.h
  *
@@ -223,6 +223,44 @@ extern Conf_no
 filter_conf_no(Conf_no victim,
 	       const Connection *viewer_conn);
 
+/* Visibility of a membership. */
+enum memb_visibility
+{
+    /* No visibility at all. */
+    mv_none,
+
+    /* The membership is visible.  However, the information about read
+       texts should be censored. */
+    mv_censor_unread,
+
+    /* Full visibility.  The unread_is_secret bit should be
+       ignored. */
+    mv_full,
+};
+
+
+/* Compute the visibility of a membership.  MEMBER is a member of
+   CONF_NO, and the membership type i TYPE.  VIEWER_CONN wants to know
+   stuff about the membership.  If it is known that the person logged
+   on at VIEWER_CONN is a supervisor of the MEMBER,
+   IS_SUPERVISOR_OF_MEMBER should be set (for a small performance
+   gain).  Similarly for IS_SUPERVISOR_OF_CONF. */
+
+extern enum memb_visibility
+membership_visible(const Connection *viewer_conn,
+		   Pers_no member,
+		   Conf_no conf_no,
+		   Membership_type type,
+		   Bool is_supervisor_of_member,
+		   Bool is_supervisor_of_conf);
+
+/* Set err_stat to CONF_NO.  Set kom_errno to ERRCODE if VIEWER_CONN
+   is allowed to know that the conference exists.  Otherwise, set
+   kom_errno to KOM_UNDEF_CONF. */
+extern void
+set_conf_errno(const Connection *viewer_conn,
+	       Conf_no conf_no,
+	       enum kom_err errcode);
 
 
 /*