1 /* $Id: rsnull.c,v 1.16 2004-01-16 15:27:35 heikki Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
29 static void *r_create(RSET ct, const struct rset_control *sel, void *parms);
30 static RSFD r_open (RSET ct, int flag);
31 static void r_close (RSFD rfd);
32 static void r_delete (RSET ct);
33 static void r_rewind (RSFD rfd);
34 static int r_count (RSET ct);
35 static int r_read (RSFD rfd, void *buf, int *term_index);
36 static int r_write (RSFD rfd, const void *buf);
38 static const struct rset_control control =
52 const struct rset_control *rset_kind_null = &control;
54 static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
56 rset_null_parms *null_parms = (rset_null_parms *) parms;
58 ct->no_rset_terms = 1;
59 ct->rset_terms = (RSET_TERM *) xmalloc (sizeof(*ct->rset_terms));
60 if (parms && null_parms->rset_term)
61 ct->rset_terms[0] = null_parms->rset_term;
63 ct->rset_terms[0] = rset_term_create ("term", -1, "rank-0",
65 ct->rset_terms[0]->nn = 0;
70 static RSFD r_open (RSET ct, int flag)
72 if (flag & RSETF_WRITE)
74 logf (LOG_FATAL, "NULL set type is read-only");
80 static void r_close (RSFD rfd)
84 static void r_delete (RSET ct)
86 rset_term_destroy (ct->rset_terms[0]);
87 xfree (ct->rset_terms);
90 static void r_rewind (RSFD rfd)
92 logf (LOG_DEBUG, "rsnull_rewind");
95 static int r_count (RSET ct)
100 static int r_read (RSFD rfd, void *buf, int *term_index)
106 static int r_write (RSFD rfd, const void *buf)
108 logf (LOG_FATAL, "NULL set type is read-only");